* ============LICENSE_START=======================================================
* ONAP-PAP-REST
* ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
package org.onap.policy.pap.xacml.rest.util;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Query;
-import javax.servlet.ServletException;
import org.onap.policy.rest.XacmlAdminAuthorization;
-import org.onap.policy.rest.jpa.Attribute;
-import org.onap.policy.rest.jpa.Datatype;
-import org.onap.policy.rest.jpa.FunctionDefinition;
import org.onap.policy.rest.jpa.GlobalRoleSettings;
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
-import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeSelectorType;
-
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
public class JPAUtils {
- private static Logger LOGGER = FlexLogger.getLogger(JPAUtils.class);
+ private static final Logger LOGGER = FlexLogger.getLogger(JPAUtils.class);
- private EntityManagerFactory emf;
- private static final Object mapAccess = new Object();
- private static Map<Datatype, List<FunctionDefinition>> mapDatatype2Function = null;
- private static Map<String, FunctionDefinition> mapID2Function = null;
+ private static EntityManagerFactory emf;
private static JPAUtils currentInstance = null;
* @return The new instance of JPAUtils or throw exception if the given emf is null.
* @throws IllegalStateException if a JPAUtils has already been constructed. Call getJPAUtilsInstance() to get this.
*/
- public static JPAUtils getJPAUtilsInstance(EntityManagerFactory emf) throws Exception{
+ public static JPAUtils getJPAUtilsInstance(EntityManagerFactory emf){
LOGGER.debug("getJPAUtilsInstance(EntityManagerFactory emf) as getJPAUtilsInstance("+emf+") called");
if(currentInstance == null){
if(emf != null){
private JPAUtils(EntityManagerFactory emf){
LOGGER.debug("JPAUtils(EntityManagerFactory emf) as JPAUtils("+emf+") called");
- this.emf = emf;
- }
-
- /**
- * Gets the current instance of JPAUtils.
- * @return The instance of JPAUtils or throws exception if the given instance is null.
- * @throws IllegalStateException if a JPAUtils instance is null. Call getJPAUtilsInstance(EntityManagerFactory emf) to get this.
- */
- public static JPAUtils getJPAUtilsInstance() throws Exception{
- LOGGER.debug("getJPAUtilsInstance() as getJPAUtilsInstance() called");
- if(currentInstance != null){
- return currentInstance;
- }
- throw new IllegalStateException("The JPAUtils.currentInstance is Null. Use getJPAUtilsInstance(EntityManagerFactory emf)");
- }
-
- public static AttributeDesignatorType createDesignator(Attribute attribute) {
- AttributeDesignatorType designator = new AttributeDesignatorType();
- designator.setAttributeId(attribute.getXacmlId());
- if (attribute.getCategoryBean() != null) {
- designator.setCategory(attribute.getCategoryBean().getXacmlId());
- } else {
- LOGGER.warn("No category bean");
- }
- if (attribute.getDatatypeBean() != null) {
- designator.setDataType(attribute.getDatatypeBean().getXacmlId());
- } else {
- LOGGER.warn("No datatype bean");
- }
- designator.setIssuer(attribute.getIssuer());
- designator.setMustBePresent(attribute.isMustBePresent());
- return designator;
- }
-
- public static AttributeSelectorType createSelector(Attribute attribute) {
- AttributeSelectorType selector = new AttributeSelectorType();
- selector.setContextSelectorId(attribute.getXacmlId());
- selector.setPath(attribute.getSelectorPath());
- if (attribute.getCategoryBean() != null) {
- selector.setCategory(attribute.getCategoryBean().getXacmlId());
- } else {
- LOGGER.warn("No category bean");
- }
- if (attribute.getDatatypeBean() != null) {
- selector.setDataType(attribute.getDatatypeBean().getXacmlId());
- } else {
- LOGGER.warn("No datatype bean");
- }
- selector.setMustBePresent(attribute.isMustBePresent());
- return selector;
- }
-
- /**
- * Builds a map in memory of a functions return datatype to function definition. Useful in limiting the number
- * of SQL calls to DB especially when we don't expect these to change much.
- *
- * @return - A HashMap of Datatype JPA Container ID's to FunctionDefinition objects
- */
- public Map<Datatype, List<FunctionDefinition>> getFunctionDatatypeMap() {
-
- synchronized(mapAccess) {
- if (mapDatatype2Function == null||mapDatatype2Function.isEmpty()) {
- try {
- buildFunctionMaps();
- } catch (ServletException e) {
- LOGGER.error("Exception Occured"+e);
- }
- }
- }
- return mapDatatype2Function;
- }
-
- public Map<String, FunctionDefinition> getFunctionIDMap() {
- synchronized(mapAccess) {
- if (mapID2Function == null||mapID2Function.equals("{}")) {
- try {
- buildFunctionMaps();
- } catch (ServletException e) {
- LOGGER.error("Exception Occured"+e);
- }
- }
- }
- return mapID2Function;
- }
-
- private void buildFunctionMaps() throws ServletException {
- mapDatatype2Function = new HashMap<>();
- mapID2Function = new HashMap<>();
-
- EntityManager em = emf.createEntityManager();
- Query getFunctionDefinitions = em.createNamedQuery("FunctionDefinition.findAll");
- List<?> functionList = getFunctionDefinitions.getResultList();
-
- for (Object id : functionList) {
- FunctionDefinition value = (FunctionDefinition)id;
- mapID2Function.put(value.getXacmlid(), value);
- if (mapDatatype2Function.containsKey(value.getDatatypeBean()) == false) {
- mapDatatype2Function.put(value.getDatatypeBean(), new ArrayList<FunctionDefinition>());
- }
- mapDatatype2Function.get(value.getDatatypeBean()).add(value);
- }
-
- em.close();
-
+ JPAUtils.emf = emf;
}
/**
return globalRoleSettings.isLockdown();
}
-
-
-
}
Code Review / policy / engine.git / blobdiff