src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/controllers/LoginController.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package gov.anl.aps.dm.portal.controllers;
+
+import gov.anl.aps.dm.portal.model.beans.UserInfoDbFacade;
+import gov.anl.aps.dm.portal.model.entities.UserInfo;
+import gov.anl.aps.dm.common.utilities.CryptUtility;
+import gov.anl.aps.dm.common.utilities.LdapUtility;
+import gov.anl.aps.dm.portal.model.entities.Experiment;
+import gov.anl.aps.dm.portal.model.entities.ExperimentStation;
+import gov.anl.aps.dm.portal.utilities.AuthorizationUtility;
+import gov.anl.aps.dm.portal.utilities.SessionUtility;
+import java.io.Serializable;
+import javax.ejb.EJB;
+import javax.enterprise.context.SessionScoped;
+import javax.faces.context.ExternalContext;
+import javax.faces.context.FacesContext;
+import javax.inject.Named;
+import org.apache.log4j.Logger;
+
+/**
+ * Login controller.
+ */
+@Named("loginController")
+@SessionScoped
+public class LoginController implements Serializable {
+
+    @EJB
+    private UserInfoDbFacade userInfoFacade;
+
+    private String username = null;
+    private String password = null;
+    private boolean loggedIn = false;
+    private UserInfo user = null;
+    private boolean isAdmin;
+
+    private static final Logger logger = Logger.getLogger(LoginController.class.getName());
+
+    /**
+     * Constructor.
+     */
+    public LoginController() {
+    }
+
+    /**
+     * Get password.
+     *
+     * @return login password
+     */
+    public String getPassword() {
+        return password;
+    }
+
+    /**
+     * Set password.
+     *
+     * @param password login password
+     */
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    /**
+     * Get username.
+     *
+     * @return login username
+     */
+    public String getUsername() {
+        return username;
+    }
+
+    /**
+     * Set username.
+     *
+     * @param username login username
+     */
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    /**
+     * Check if user is logged in.
+     *
+     * @return true if admin is logged in, false otherwise
+     */
+    public boolean isLoggedIn() {
+        return loggedIn;
+    }
+
+    /**
+     * Login action.
+     *
+     * @return url to service home page if login is successful, or null in case
+     * of errors
+     */
+    public String login() {
+        loggedIn = false;
+        if (username == null || password == null || username.isEmpty() || password.isEmpty()) {
+            SessionUtility.addWarningMessage(null, "Incomplete Input. Please enter both username and password.");
+            return (username = password = null);
+        }
+
+        user = userInfoFacade.findByUsername(username);
+        if (user == null) {
+            SessionUtility.addErrorMessage(null, "Username " + username + " is not registered. Contact administrator.");
+            return (username = password = null);
+        }
+
+        boolean validCredentials = false;
+        if (user.getPassword() != null && CryptUtility.verifyPasswordWithPbkdf2(password, user.getPassword())) {
+            logger.debug("User " + username + " is authorized by DM DB");
+            validCredentials = true;
+        } else if (LdapUtility.validateCredentials(username, password)) {
+            logger.debug("User " + username + " is authorized by DM LDAP");
+            validCredentials = true;
+        } else {
+            logger.debug("User " + username + " is not authorized.");
+        }
+
+        if (validCredentials) {
+            SessionUtility.setUser(user);
+
+            loggedIn = true;
+            SessionUtility.addInfoMessage("Successful Login", "User " + username + " is logged in.");
+            isAdmin = AuthorizationUtility.isAdministrator(user);
+            return getLandingPage();
+        } else {
+            SessionUtility.addErrorMessage(null, "Invalid Credentials. Username/password combination could not be verified.");
+            SessionUtility.addErrorMessage(null, "If you are having difficulty logging in, please see our <a href=\"/dm/views/loginHelp.xhtml\">login help</a> page.");
+            return (username = password = null);
+        }
+
+    }
+
+    public String getLandingPage() {
+        String landingPage = SessionUtility.getCurrentViewId() + "?faces-redirect=true";
+        if (landingPage.contains("login")) {
+            landingPage = "/views/home?faces-redirect=true";
+        }
+        logger.debug("Landing page: " + landingPage);
+        return landingPage;
+    }
+
+    public String displayUsername() {
+        if (isLoggedIn()) {
+            return username;
+        } else {
+            return "Not Logged In";
+        }
+    }
+
+    public String displayRole() {
+        if (isAdmin()) {
+            return "Administrator";
+        } else {
+            return "User";
+        }
+    }
+
+
+    /**
+     * Logout action.
+     *
+     * @return url to logout page
+     */
+    public String logout() {
+        SessionUtility.clearSession();
+        ExternalContext context = FacesContext.getCurrentInstance().getExternalContext();
+        context.invalidateSession();
+        loggedIn = false;
+        user = null;
+        return "/views/login?faces-redirect=true";
+    }
+
+    public boolean isAdmin() {
+        return isAdmin;
+    }
+
+    public boolean isAdministrator() {
+        return AuthorizationUtility.isAdministrator(user);
+    }
+
+    public boolean isStationManager(ExperimentStation experimentStation) {
+        return AuthorizationUtility.isStationManager(user, experimentStation);
+    }
+
+    public boolean isExperimentPi(Experiment experiment) {
+        return AuthorizationUtility.isExperimentPi(user, experiment);
+    }
+
+    public boolean isExperimentUser(Experiment experiment) {
+        return AuthorizationUtility.isExperimentUser(user, experiment);
+    }
+
+    public boolean canManageStation(ExperimentStation experimentStation) {
+        return AuthorizationUtility.canManageStation(user, experimentStation);
+    }
+
+    public boolean canManageExperiment(Experiment experiment) {
+        return AuthorizationUtility.canManageExperiment(user, experiment);
+    }
+
+    public boolean canCreateExperiment() {
+        return AuthorizationUtility.canCreateExperiment(user);
+    }    
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/controllers/SystemRoleTypeController.java

+package gov.anl.aps.dm.portal.controllers;
+
+import gov.anl.aps.dm.portal.model.beans.SystemRoleTypeDbFacade;
+import gov.anl.aps.dm.portal.model.entities.SystemRoleType;
+import javax.ejb.EJB;
+import javax.inject.Named;
+import javax.enterprise.context.SessionScoped;
+import javax.faces.component.UIComponent;
+import javax.faces.context.FacesContext;
+import javax.faces.convert.Converter;
+import javax.faces.convert.FacesConverter;
+import org.apache.log4j.Logger;
+
+@Named("systemRoleTypeController")
+@SessionScoped
+public class SystemRoleTypeController extends DmEntityController<SystemRoleType, SystemRoleTypeDbFacade> {
+
+    private static final Logger logger = Logger.getLogger(SystemRoleTypeController.class.getName());
+
+    @EJB
+    private SystemRoleTypeDbFacade systemRoleTypeDbFacade;
+
+    public SystemRoleTypeController() {
+    }
+
+    @Override
+    protected SystemRoleTypeDbFacade getFacade() {
+        return systemRoleTypeDbFacade;
+    }
+
+    @Override
+    protected SystemRoleType createEntityInstance() {
+        return new SystemRoleType();
+    }
+
+    @Override
+    public String getEntityTypeName() {
+        return "systemRoleType";
+    }
+
+    @Override
+    public String getCurrentEntityInstanceName() {
+        if (getCurrent() != null) {
+            return getCurrent().getName();
+        }
+        return "";
+    }
+
+    @Override
+    public SystemRoleType findById(Integer id) {
+        return systemRoleTypeDbFacade.findById(id);
+    }
+    
+    @FacesConverter(forClass = SystemRoleType.class)
+    public static class SystemRoleTypeControllerConverter implements Converter {
+
+        @Override
+        public Object getAsObject(FacesContext facesContext, UIComponent component, String value) {
+            if (value == null || value.length() == 0) {
+                return null;
+            }
+            SystemRoleTypeController controller = (SystemRoleTypeController) facesContext.getApplication().getELResolver().
+                    getValue(facesContext.getELContext(), null, "systemRoleTypeController");
+            return controller.getEntity(getKey(value));
+        }
+
+        java.lang.Integer getKey(String value) {
+            java.lang.Integer key;
+            key = Integer.valueOf(value);
+            return key;
+        }
+
+        String getStringKey(java.lang.Integer value) {
+            StringBuilder sb = new StringBuilder();
+            sb.append(value);
+            return sb.toString();
+        }
+
+        @Override
+        public String getAsString(FacesContext facesContext, UIComponent component, Object object) {
+            if (object == null) {
+                return null;
+            }
+            if (object instanceof SystemRoleType) {
+                SystemRoleType o = (SystemRoleType) object;
+                return getStringKey(o.getId());
+            } else {
+                throw new IllegalArgumentException("Object " + object + " is of type " + object.getClass().getName() + "; expected type: " + SystemRoleType.class.getName());
+            }
+        }
+
+    }
+
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/controllers/UserInfoController.java

+package gov.anl.aps.dm.portal.controllers;
+
+import gov.anl.aps.dm.api.ExperimentDsApi;
+import gov.anl.aps.dm.common.exceptions.InvalidRequest;
+import gov.anl.aps.dm.common.exceptions.DmException;
+import gov.anl.aps.dm.common.exceptions.ObjectAlreadyExists;
+import gov.anl.aps.dm.portal.model.entities.UserInfo;
+import gov.anl.aps.dm.portal.model.beans.UserInfoDbFacade;
+import gov.anl.aps.dm.common.utilities.CryptUtility;
+import gov.anl.aps.dm.portal.model.beans.UserExperimentRoleDbFacade;
+import gov.anl.aps.dm.portal.model.beans.ExperimentRoleTypeDbFacade;
+import gov.anl.aps.dm.portal.model.entities.Experiment;
+import gov.anl.aps.dm.portal.model.entities.ExperimentRoleType;
+import gov.anl.aps.dm.portal.model.entities.UserExperimentRole;
+import gov.anl.aps.dm.portal.model.entities.UserExperimentRolePK;
+import gov.anl.aps.dm.portal.utilities.DmApiFactory;
+import gov.anl.aps.dm.portal.utilities.SessionUtility;
+
+import java.util.List;
+import javax.ejb.EJB;
+import javax.enterprise.context.SessionScoped;
+import javax.faces.component.UIComponent;
+import javax.faces.context.FacesContext;
+import javax.faces.convert.Converter;
+import javax.faces.convert.FacesConverter;
+import javax.inject.Named;
+import org.apache.log4j.Logger;
+
+@Named("userInfoController")
+@SessionScoped
+public class UserInfoController extends DmEntityController<UserInfo, UserInfoDbFacade> {
+
+    private static final Logger logger = Logger.getLogger(UserInfoController.class.getName());
+
+    @EJB
+    private UserInfoDbFacade userInfoDbFacade;
+    @EJB
+    private UserExperimentRoleDbFacade userExperimentRoleDbFacade;
+    @EJB
+    private ExperimentRoleTypeDbFacade experimentRoleTypeDbFacade;
+
+    private String passwordEntry = null;
+    private UserExperimentRole currentUserExperimentRole = null;
+
+    private String filterByBadge = null;
+    private String filterByUsername = null;
+    private String filterByLastName = null;
+    private String filterByFirstName = null;
+    private String filterByEmail = null;
+    private String filterByGlobusUsername = null;
+    private String filterByDescription = null;
+
+    private String selectFilterByBadge = null;
+    private String selectFilterByUsername = null;
+    private String selectFilterByLastName = null;
+    private String selectFilterByFirstName = null;
+    private String selectFilterByEmail = null;
+    private String selectFilterByGlobusUsername = null;
+    private String selectFilterByDescription = null;
+
+    public UserInfoController() {
+    }
+
+    @Override
+    protected UserInfoDbFacade getFacade() {
+        return userInfoDbFacade;
+    }
+
+    @Override
+    protected UserInfo createEntityInstance() {
+        return new UserInfo();
+    }
+
+    @Override
+    public String getEntityTypeName() {
+        return "user";
+    }
+
+    @Override
+    public String getCurrentEntityInstanceName() {
+        if (getCurrent() != null) {
+            return getCurrent().getUsername();
+        }
+        return "";
+    }
+
+    @Override
+    public UserInfo findById(Integer id) {
+        return userInfoDbFacade.findById(id);
+    }
+
+    @Override
+    public List<UserInfo> getAvailableItems() {
+        return super.getAvailableItems();
+    }
+
+    @Override
+    public String prepareEdit(UserInfo user) {
+        passwordEntry = null;
+        return super.prepareEdit(user);
+    }
+
+    @Override
+    public void prepareEntityInsert(UserInfo user) throws DmException {
+        checkMandatoryParameters(user);
+        UserInfo existingUser = userInfoDbFacade.findByUsername(user.getUsername());
+        if (existingUser != null) {
+            throw new ObjectAlreadyExists("User " + user.getUsername() + " already exists.");
+        }
+        if (passwordEntry != null && !passwordEntry.isEmpty()) {
+            logger.debug("Will crypt provided password for user " + user.getUsername());
+            String cryptedPassword = CryptUtility.cryptPasswordWithPbkdf2(passwordEntry);
+            user.setPassword(cryptedPassword);
+        }
+        passwordEntry = null;
+        user.setIsLocalUser(true);
+        logger.debug("Inserting new user " + user.getUsername());
+    }
+
+    private void checkMandatoryParameters(UserInfo user) throws InvalidRequest {
+        if ((user.getUsername() == null) || (user.getUsername().length() == 0)) {
+            throw new InvalidRequest("Missing username.");
+        }
+        if ((user.getLastName() == null) || (user.getLastName().length() == 0)) {
+            throw new InvalidRequest("Missing user last name.");
+        }
+        if ((user.getFirstName() == null) || (user.getFirstName().length() == 0)) {
+            throw new InvalidRequest("Missing user first name.");
+        }
+    }
+
+    @Override
+    public void prepareEntityUpdate(UserInfo user) throws DmException {
+        checkMandatoryParameters(user);
+        if (passwordEntry != null && !passwordEntry.isEmpty()) {
+            logger.debug("Will crypt provided password for user " + user.getUsername());
+            String cryptedPassword = CryptUtility.cryptPasswordWithPbkdf2(passwordEntry);
+            user.setPassword(cryptedPassword);
+        }
+        passwordEntry = null;
+    }
+
+    @Override
+    protected String getObjectAlreadyExistMessage(UserInfo user) {
+        if (user == null) {
+            return null;
+        }
+        return "User " + user.getUsername() + " already exists.";
+    }
+
+    public String prepareSessionUserEdit(String viewPath) {
+        UserInfo sessionUser = (UserInfo) SessionUtility.getUser();
+        if (sessionUser == null) {
+            return null;
+        }
+        prepareEdit(sessionUser);
+        return viewPath + "?faces-redirect=true";
+    }
+
+    public String getPasswordEntry() {
+        return passwordEntry;
+    }
+
+    public void setPasswordEntry(String passwordEntry) {
+        this.passwordEntry = passwordEntry;
+    }
+
+    public UserExperimentRole getCurrentUserExperimentRole() {
+        if (currentUserExperimentRole == null) {
+            currentUserExperimentRole = new UserExperimentRole();
+        }
+        return currentUserExperimentRole;
+    }
+
+    public void setCurrentUserExperimentRole(UserExperimentRole currentUserExperimentRole) {
+        this.currentUserExperimentRole = currentUserExperimentRole;
+    }
+
+    public void prepareAddUserExperimentRole(UserInfo user) {
+        UserExperimentRole userExperimentRole = getCurrentUserExperimentRole();
+        userExperimentRole.setUserInfo(user);
+    }
+
+    private void addUserExperimentRole() {
+        UserInfo user = currentUserExperimentRole.getUserInfo();
+        Experiment experiment = currentUserExperimentRole.getExperiment();
+        ExperimentRoleType roleType = currentUserExperimentRole.getExperimentRoleType();
+        UserExperimentRolePK userExperimentRolePK = new UserExperimentRolePK();
+        userExperimentRolePK.setExperimentId(experiment.getId());
+        userExperimentRolePK.setUserId(user.getId());
+        userExperimentRolePK.setRoleTypeId(roleType.getId());
+        currentUserExperimentRole.setUserExperimentRolePK(userExperimentRolePK);
+
+        UserExperimentRole existingRole = userExperimentRoleDbFacade.findByUserAndExperiment(user.getId(),
+                experiment.getId());
+        if (existingRole != null) {
+            SessionUtility.addErrorMessage("Error", "Could not add user experiment role: User "
+                    + user.getUsername()
+                    + " is already associated with experiment "
+                    + existingRole.getExperiment().getName() + " as "
+                    + existingRole.getExperimentRoleType().getName() + ".");
+            return;
+        }
+        List<UserExperimentRole> userExperimentRoleList = user.getUserExperimentRoleList();
+        userExperimentRoleList.add(0, currentUserExperimentRole);
+        update();
+        notifyUpdateExperiment(experiment);
+        currentUserExperimentRole = null;
+    }
+
+    public void addUserExperimentRolePi() {
+        currentUserExperimentRole.setExperimentRoleType(experimentRoleTypeDbFacade.findPiRoleType());
+        addUserExperimentRole();
+    }
+
+    public void addUserExperimentRoleUser() {
+        currentUserExperimentRole.setExperimentRoleType(experimentRoleTypeDbFacade.findUserRoleType());
+        addUserExperimentRole();
+    }
+
+    public void deleteUserExperimentRole(UserExperimentRole userExperimentRole) {
+        UserInfo user = getCurrent();
+        userExperimentRoleDbFacade.remove(userExperimentRole);
+        List<UserExperimentRole> userExperimentRoleList = user.getUserExperimentRoleList();
+        userExperimentRoleList.remove(userExperimentRole);
+        updateOnRemoval();
+        notifyUpdateExperiment(userExperimentRole.getExperiment());
+    }
+
+    public void notifyUpdateExperiment(Experiment experiment) {
+        // Notify DS Web Service
+        try {
+            ExperimentDsApi api = DmApiFactory.getExperimentDsApi();
+            api.updateExperiment(experiment.getName());
+        } catch (DmException ex) {
+            logger.error("Could not notify Data Storage Service: " + ex);
+            SessionUtility.addErrorMessage("Error", "Unable to notify Data Storage Service: " + ex.getErrorMessage());
+        }
+    }
+
+    @Override
+    public void clearListFilters() {
+        filterByBadge = null;
+        filterByUsername = null;
+        filterByLastName = null;
+        filterByFirstName = null;
+        filterByEmail = null;
+        filterByGlobusUsername = null;
+        filterByDescription = null;
+    }
+
+    @Override
+    public void clearSelectFilters() {
+        selectFilterByBadge = null;
+        selectFilterByUsername = null;
+        selectFilterByLastName = null;
+        selectFilterByFirstName = null;
+        selectFilterByEmail = null;
+        selectFilterByGlobusUsername = null;
+        selectFilterByDescription = null;
+    }
+
+    public String getFilterByBadge() {
+        return filterByBadge;
+    }
+
+    public void setFilterByBadge(String filterByBadge) {
+        this.filterByBadge = filterByBadge;
+    }
+
+    public String getFilterByUsername() {
+        return filterByUsername;
+    }
+
+    public void setFilterByUsername(String filterByUsername) {
+        this.filterByUsername = filterByUsername;
+    }
+
+    public String getFilterByLastName() {
+        return filterByLastName;
+    }
+
+    public void setFilterByLastName(String filterByLastName) {
+        this.filterByLastName = filterByLastName;
+    }
+
+    public String getFilterByFirstName() {
+        return filterByFirstName;
+    }
+
+    public void setFilterByFirstName(String filterByFirstName) {
+        this.filterByFirstName = filterByFirstName;
+    }
+
+    public String getFilterByEmail() {
+        return filterByEmail;
+    }
+
+    public void setFilterByEmail(String filterByEmail) {
+        this.filterByEmail = filterByEmail;
+    }
+
+    public String getFilterByGlobusUsername() {
+        return filterByGlobusUsername;
+    }
+
+    public void setFilterByGlobusUsername(String filterByGlobusUsername) {
+        this.filterByGlobusUsername = filterByGlobusUsername;
+    }
+
+    public String getFilterByDescription() {
+        return filterByDescription;
+    }
+
+    public void setFilterByDescription(String filterByDescription) {
+        this.filterByDescription = filterByDescription;
+    }
+
+    public String getSelectFilterByBadge() {
+        return selectFilterByBadge;
+    }
+
+    public void setSelectFilterByBadge(String selectFilterByBadge) {
+        this.selectFilterByBadge = selectFilterByBadge;
+    }
+
+    public String getSelectFilterByUsername() {
+        return selectFilterByUsername;
+    }
+
+    public void setSelectFilterByUsername(String selectFilterByUsername) {
+        this.selectFilterByUsername = selectFilterByUsername;
+    }
+
+    public String getSelectFilterByLastName() {
+        return selectFilterByLastName;
+    }
+
+    public void setSelectFilterByLastName(String selectFilterByLastName) {
+        this.selectFilterByLastName = selectFilterByLastName;
+    }
+
+    public String getSelectFilterByFirstName() {
+        return selectFilterByFirstName;
+    }
+
+    public void setSelectFilterByFirstName(String selectFilterByFirstName) {
+        this.selectFilterByFirstName = selectFilterByFirstName;
+    }
+
+    public String getSelectFilterByEmail() {
+        return selectFilterByEmail;
+    }
+
+    public void setSelectFilterByEmail(String selectFilterByEmail) {
+        this.selectFilterByEmail = selectFilterByEmail;
+    }
+
+    public String getSelectFilterByGlobusUsername() {
+        return selectFilterByGlobusUsername;
+    }
+
+    public void setSelectFilterByGlobusUsername(String selectFilterByGlobusUsername) {
+        this.selectFilterByGlobusUsername = selectFilterByGlobusUsername;
+    }
+
+    public String getSelectFilterByDescription() {
+        return selectFilterByDescription;
+    }
+
+    public void setSelectFilterByDescription(String selectFilterByDescription) {
+        this.selectFilterByDescription = selectFilterByDescription;
+    }
+
+    @FacesConverter(forClass = UserInfo.class)
+    public static class UserInfoControllerConverter implements Converter {
+
+        @Override
+        public Object getAsObject(FacesContext facesContext, UIComponent component, String value) {
+            if (value == null || value.length() == 0) {
+                return null;
+            }
+            UserInfoController controller = (UserInfoController) facesContext.getApplication().getELResolver().
+                    getValue(facesContext.getELContext(), null, "userInfoController");
+            return controller.getEntity(getKey(value));
+        }
+
+        java.lang.Integer getKey(String value) {
+            java.lang.Integer key;
+            key = Integer.valueOf(value);
+            return key;
+        }
+
+        String getStringKey(java.lang.Integer value) {
+            StringBuilder sb = new StringBuilder();
+            sb.append(value);
+            return sb.toString();
+        }
+
+        @Override
+        public String getAsString(FacesContext facesContext, UIComponent component, Object object) {
+            if (object == null) {
+                return null;
+            }
+            if (object instanceof UserInfo) {
+                UserInfo o = (UserInfo) object;
+                return getStringKey(o.getId());
+            } else {
+                throw new IllegalArgumentException("Object " + object + " is of type " + object.getClass().getName() + "; expected type: " + UserInfo.class.getName());
+            }
+        }
+
+    }
+
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/AllowedPolicyValueDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.AllowedPolicyValue;
+import java.util.List;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.NoResultException;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class AllowedPolicyValueDbFacade extends DmEntityDbFacade<AllowedPolicyValue>
+{
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public AllowedPolicyValueDbFacade() {
+        super(AllowedPolicyValue.class);
+    }
+    
+    public AllowedPolicyValue findByName(String name) {
+        try {
+            return (AllowedPolicyValue) em.createNamedQuery("AllowedPolicyValue.findByPolicyValue")
+                    .setParameter("policyValue", name)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }
+
+    public AllowedPolicyValue findById(int id) {
+        try {
+            return (AllowedPolicyValue) em.createNamedQuery("AllowedPolicyValue.findById")
+                    .setParameter("id", id)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }
+
+    public List<AllowedPolicyValue> findByPolicyPropertyId(int id) {
+        try {
+            return (List<AllowedPolicyValue>) em.createNamedQuery("AllowedPolicyValue.findByPolicyPropertyId")
+                    .setParameter("policyPropertyId", id)
+                    .getResultList();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }
+
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/AllowedSettingValueDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.AllowedSettingValue;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class AllowedSettingValueDbFacade extends DmEntityDbFacade<AllowedSettingValue>
+{
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public AllowedSettingValueDbFacade() {
+        super(AllowedSettingValue.class);
+    }
+    
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/DataFolderDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.DataFolder;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class DataFolderDbFacade extends DmEntityDbFacade<DataFolder>
+{
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public DataFolderDbFacade() {
+        super(DataFolder.class);
+    }
+    
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/DmEntityDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gov.anl.aps.dm.portal.model.beans;
+
+import java.util.List;
+import javax.persistence.EntityManager;
+
+/**
+ *
+ * @author sveseli
+ */
+public abstract class DmEntityDbFacade<T>
+{
+    private Class<T> entityClass;
+
+    public DmEntityDbFacade(Class<T> entityClass) {
+        this.entityClass = entityClass;
+    }
+
+    protected abstract EntityManager getEntityManager();
+
+    public void create(T entity) {
+        getEntityManager().persist(entity);
+    }
+
+    public void edit(T entity) {
+        getEntityManager().merge(entity);
+    }    
+
+    public void remove(T entity) {
+        getEntityManager().remove(getEntityManager().merge(entity));
+    }
+
+    public T find(Object id) {
+        return getEntityManager().find(entityClass, id);
+    }
+
+    public List<T> findAll() {
+        javax.persistence.criteria.CriteriaQuery cq = getEntityManager().getCriteriaBuilder().createQuery();
+        cq.select(cq.from(entityClass));
+        return getEntityManager().createQuery(cq).getResultList();
+    }
+
+    public List<T> findRange(int[] range) {
+        javax.persistence.criteria.CriteriaQuery cq = getEntityManager().getCriteriaBuilder().createQuery();
+        cq.select(cq.from(entityClass));
+        javax.persistence.Query q = getEntityManager().createQuery(cq);
+        q.setMaxResults(range[1] - range[0] + 1);
+        q.setFirstResult(range[0]);
+        return q.getResultList();
+    }
+
+    public int count() {
+        javax.persistence.criteria.CriteriaQuery cq = getEntityManager().getCriteriaBuilder().createQuery();
+        javax.persistence.criteria.Root<T> rt = cq.from(entityClass);
+        cq.select(getEntityManager().getCriteriaBuilder().count(rt));
+        javax.persistence.Query q = getEntityManager().createQuery(cq);
+        return ((Long) q.getSingleResult()).intValue();
+    }
+    
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/EndpointDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.Endpoint;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class EndpointDbFacade extends DmEntityDbFacade<Endpoint> {
+
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public EndpointDbFacade() {
+        super(Endpoint.class);
+    }
+    
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/ExperimentDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.Experiment;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.NoResultException;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class ExperimentDbFacade extends DmEntityDbFacade<Experiment> {
+
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public ExperimentDbFacade() {
+        super(Experiment.class);
+    }
+
+    public Experiment findByName(String name) {
+        try {
+            return (Experiment) em.createNamedQuery("Experiment.findByName")
+                    .setParameter("name", name)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }
+
+    public Experiment findById(Integer id) {
+        try {
+            return (Experiment) em.createNamedQuery("Experiment.findById")
+                    .setParameter("id", id)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }
+
+    public boolean checkIfNameExists(String name) {
+        return findByName(name) != null;
+    }
+
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/ExperimentPolicyDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.ExperimentPolicy;
+import java.util.List;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.NoResultException;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class ExperimentPolicyDbFacade extends DmEntityDbFacade<ExperimentPolicy>
+{
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public ExperimentPolicyDbFacade() {
+        super(ExperimentPolicy.class);
+    }
+    
+    public ExperimentPolicy findById(int id) {
+        try {
+            return (ExperimentPolicy) em.createNamedQuery("ExperimentPolicy.findById")
+                    .setParameter("id", id)
+                    .getSingleResult();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    }
+        
+    public List<ExperimentPolicy> findByExperimentId(int id) {
+        try {
+            return (List<ExperimentPolicy>) em.createNamedQuery("ExperimentPolicy.findByExperimentId")
+                    .setParameter("experimentId", id)
+                    .getResultList();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    }
+                
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/ExperimentPolicyPropertyValueDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.ExperimentPolicyPropertyValue;
+import java.util.List;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.NoResultException;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author bfrosik
+ */
+@Stateless
+public class ExperimentPolicyPropertyValueDbFacade extends DmEntityDbFacade<ExperimentPolicyPropertyValue>
+{
+
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public ExperimentPolicyPropertyValueDbFacade() {
+        super(ExperimentPolicyPropertyValue.class);
+    }
+    
+    public ExperimentPolicyPropertyValue findById(int id) {
+        try {
+            return (ExperimentPolicyPropertyValue) em.createNamedQuery("ExperimentPolicyPropertyValue.findById")
+                    .setParameter("id", id)
+                    .getSingleResult();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    }
+    
+    public List<ExperimentPolicyPropertyValue> findByExperimentPolicyId(int id) {
+        try {
+            return (List<ExperimentPolicyPropertyValue>) em.createNamedQuery("ExperimentPolicyPropertyValue.findByExperimentPolicyId")
+                    .setParameter("experimentPolicyId", id)
+                    .getResultList();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    }
+        
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/ExperimentRoleTypeDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.ExperimentRoleType;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.NoResultException;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class ExperimentRoleTypeDbFacade extends DmEntityDbFacade<ExperimentRoleType> {
+
+    public static final String PI_ROLE = "PI";
+    public static final String USER_ROLE = "User";
+    
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public ExperimentRoleTypeDbFacade() {
+        super(ExperimentRoleType.class);
+    }
+
+    public ExperimentRoleType findByName(String name) {
+        try {
+            return (ExperimentRoleType) em.createNamedQuery("ExperimentRoleType.findByName")
+                    .setParameter("name", name)
+                    .getSingleResult();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    }  
+  
+    public ExperimentRoleType findById(Integer id) {
+        try {
+            return (ExperimentRoleType) em.createNamedQuery("ExperimentRoleType.findById")
+                    .setParameter("id", id)
+                    .getSingleResult();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    }  
+    
+    public ExperimentRoleType findPiRoleType() {
+        try {
+            return (ExperimentRoleType) em.createNamedQuery("ExperimentRoleType.findByName")
+                    .setParameter("name", PI_ROLE)
+                    .getSingleResult();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    }
+ 
+    public ExperimentRoleType findUserRoleType() {
+        try {
+            return (ExperimentRoleType) em.createNamedQuery("ExperimentRoleType.findByName")
+                    .setParameter("name", USER_ROLE)
+                    .getSingleResult();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    }     
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/ExperimentStationDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.ExperimentStation;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.NoResultException;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class ExperimentStationDbFacade extends DmEntityDbFacade<ExperimentStation> {
+
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public ExperimentStationDbFacade() {
+        super(ExperimentStation.class);
+    }
+
+    public ExperimentStation findByName(String name) {
+        try {
+            return (ExperimentStation) em.createNamedQuery("ExperimentStation.findByName")
+                    .setParameter("name", name)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }
+    
+    public ExperimentStation findById(Integer id) {
+        try {
+            return (ExperimentStation) em.createNamedQuery("ExperimentStation.findById")
+                    .setParameter("id", id)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }    
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/ExperimentTypeDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.ExperimentType;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.NoResultException;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class ExperimentTypeDbFacade extends DmEntityDbFacade<ExperimentType>
+{
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public ExperimentTypeDbFacade() {
+        super(ExperimentType.class);
+    }
+
+    public ExperimentType findByName(String name) {
+        try {
+            return (ExperimentType) em.createNamedQuery("ExperimentType.findByName")
+                    .setParameter("name", name)
+                    .getSingleResult();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    }
+
+    public ExperimentType findById(Integer id) {
+        try {
+            return (ExperimentType) em.createNamedQuery("ExperimentType.findById")
+                    .setParameter("id", id)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }        
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/PolicyPropertyDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.PolicyProperty;
+import java.util.List;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.NoResultException;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author bfrosik
+ */
+@Stateless
+public class PolicyPropertyDbFacade extends DmEntityDbFacade<PolicyProperty>
+{
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+    
+//    @Override
+//    public void remove(PolicyProperty entity) {
+//        Object o = em.merge(entity);
+//        em.remove(o);
+//    }
+
+
+    public PolicyPropertyDbFacade() {
+        super(PolicyProperty.class);
+    }
+    
+    public PolicyProperty findByName(String name) {
+        try {
+            return (PolicyProperty) em.createNamedQuery("PolicyProperty.findByName")
+                    .setParameter("name", name)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }
+
+    public PolicyProperty findById(int id) {
+        try {
+            return (PolicyProperty) em.createNamedQuery("PolicyProperty.findById")
+                    .setParameter("id", id)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }
+    
+    public List<PolicyProperty> findByPolicyTypeId(int id) {
+        try {
+            return (List<PolicyProperty>) em.createNamedQuery("PolicyProperty.findByPolicyTypeId")
+                    .setParameter("policyTypeId", id)
+                    .getResultList();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    }
+                   
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/PolicyTypeDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.PolicyType;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.NoResultException;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class PolicyTypeDbFacade extends DmEntityDbFacade<PolicyType>
+{
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public PolicyTypeDbFacade() {
+        super(PolicyType.class);
+    }
+    
+    public PolicyType findByName(String name) {
+        try {
+            return (PolicyType) em.createNamedQuery("PolicyType.findByName")
+                    .setParameter("name", name)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }
+
+    public PolicyType findById(int id) {
+        try {
+            return (PolicyType) em.createNamedQuery("PolicyType.findById")
+                    .setParameter("id", id)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }
+    
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/SettingTypeDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.SettingType;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class SettingTypeDbFacade extends DmEntityDbFacade<SettingType>
+{
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public SettingTypeDbFacade() {
+        super(SettingType.class);
+    }
+    
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/StorageDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.Storage;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class StorageDbFacade extends DmEntityDbFacade<Storage> {
+
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public StorageDbFacade() {
+        super(Storage.class);
+    }
+    
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/SystemRoleTypeDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.SystemRoleType;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.NoResultException;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class SystemRoleTypeDbFacade extends DmEntityDbFacade<SystemRoleType> {
+
+    public static final String ADMINISTRATOR_ROLE = "Administrator";
+    public static final String MANAGER_ROLE = "Manager";
+    
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public SystemRoleTypeDbFacade() {
+        super(SystemRoleType.class);
+    }
+
+    public SystemRoleType findById(Integer id) {
+        try {
+            return (SystemRoleType) em.createNamedQuery("SystemRoleType.findById")
+                    .setParameter("id", id)
+                    .getSingleResult();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    }   
+    
+    public SystemRoleType findAdministratorRoleType() {
+        try {
+            return (SystemRoleType) em.createNamedQuery("SystemRoleType.findByName")
+                    .setParameter("name", ADMINISTRATOR_ROLE)
+                    .getSingleResult();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    } 
+    
+    public SystemRoleType findManagerRoleType() {
+        try {
+            return (SystemRoleType) em.createNamedQuery("SystemRoleType.findByName")
+                    .setParameter("name", MANAGER_ROLE)
+                    .getSingleResult();
+        }
+        catch (NoResultException ex) {
+        }
+        return null;
+    }    
+}

src/java/DmWebPortal/src/java/gov/anl/aps/dm/portal/model/beans/UserExperimentRoleDbFacade.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package gov.anl.aps.dm.portal.model.beans;
+
+import gov.anl.aps.dm.portal.model.entities.UserExperimentRole;
+import javax.ejb.Stateless;
+import javax.persistence.EntityManager;
+import javax.persistence.NoResultException;
+import javax.persistence.PersistenceContext;
+
+/**
+ *
+ * @author sveseli
+ */
+@Stateless
+public class UserExperimentRoleDbFacade extends DmEntityDbFacade<UserExperimentRole> {
+
+    @PersistenceContext(unitName = "DmWebPortalPU")
+    private EntityManager em;
+
+    @Override
+    protected EntityManager getEntityManager() {
+        return em;
+    }
+
+    public UserExperimentRoleDbFacade() {
+        super(UserExperimentRole.class);
+    }
+
+    public UserExperimentRole findByUserAndExperiment(int userId, int experimentId) {
+        try {
+            return (UserExperimentRole) em.createNamedQuery("UserExperimentRole.findByUserAndExperiment")
+                    .setParameter("userId", userId)
+                    .setParameter("experimentId", experimentId)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }
+    
+    public UserExperimentRole findByUserAndExperimentAndRoleType(int userId, int experimentId, int roleTypeId) {
+        try {
+            return (UserExperimentRole) em.createNamedQuery("UserExperimentRole.findByUserAndExperimentAndRoleType")
+                    .setParameter("userId", userId)
+                    .setParameter("experimentId", experimentId)
+                    .setParameter("roleTypeId", roleTypeId)
+                    .getSingleResult();
+        } catch (NoResultException ex) {
+        }
+        return null;
+    }
+
+}