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authorramverma <ram.krishna.verma@ericsson.com>2018-06-12 14:27:19 +0100
committerramverma <ram.krishna.verma@ericsson.com>2018-06-12 14:28:05 +0100
commit2e1da7176952e013276ef29638a313f3a1b49c00 (patch)
treec0abdab9595757bdc93d0f44a6fcb6fd7849c79d /plugins/plugins-persistence/plugins-persistence-jpa/plugins-persistence-jpa-hibernate/src
parent23c56d0c3ea2151ed2eb0278ae7058597c793022 (diff)
Adding plugin-persistence module to apex-pdp
Change-Id: I68e16b1aad6e7b943439c207816479d151f672fb Issue-ID: POLICY-862 Signed-off-by: ramverma <ram.krishna.verma@ericsson.com>
Diffstat (limited to 'plugins/plugins-persistence/plugins-persistence-jpa/plugins-persistence-jpa-hibernate/src')
-rw-r--r--plugins/plugins-persistence/plugins-persistence-jpa/plugins-persistence-jpa-hibernate/src/main/java/org/onap/policy/apex/plugins/persistence/jpa/hibernate/HibernateApexDao.java276
-rw-r--r--plugins/plugins-persistence/plugins-persistence-jpa/plugins-persistence-jpa-hibernate/src/main/java/org/onap/policy/apex/plugins/persistence/jpa/hibernate/package-info.java28
2 files changed, 304 insertions, 0 deletions
diff --git a/plugins/plugins-persistence/plugins-persistence-jpa/plugins-persistence-jpa-hibernate/src/main/java/org/onap/policy/apex/plugins/persistence/jpa/hibernate/HibernateApexDao.java b/plugins/plugins-persistence/plugins-persistence-jpa/plugins-persistence-jpa-hibernate/src/main/java/org/onap/policy/apex/plugins/persistence/jpa/hibernate/HibernateApexDao.java
new file mode 100644
index 000000000..2d60e3751
--- /dev/null
+++ b/plugins/plugins-persistence/plugins-persistence-jpa/plugins-persistence-jpa-hibernate/src/main/java/org/onap/policy/apex/plugins/persistence/jpa/hibernate/HibernateApexDao.java
@@ -0,0 +1,276 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. 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.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.apex.plugins.persistence.jpa.hibernate;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+import javax.persistence.EntityManager;
+
+import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
+import org.onap.policy.apex.model.basicmodel.concepts.AxConcept;
+import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
+import org.onap.policy.apex.model.basicmodel.dao.impl.DefaultApexDao;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+
+/**
+ * The Class HibernateApexDao is the Hibernate JPA implementation of the Apex DAO.
+ *
+ * @author Sergey Sachkov (sergey.sachkov@ericsson.com)
+ */
+public class HibernateApexDao extends DefaultApexDao {
+ private static final XLogger LOGGER = XLoggerFactory.getXLogger(HibernateApexDao.class);
+
+ private static final String FROM = "FROM ";
+ private static final String DELETE_FROM = "DELETE FROM ";
+ private static final String WHERE_KEY_NAME = " WHERE key.name='";
+ private static final String AND_KEY_VERSION = "' AND key.version='";
+ private static final String WHERE_KEY_PARENT_KEY_NAME = " WHERE key.parentKeyName='";
+ private static final String AND_KEY_PARENT_KEY_VERSION = "' AND key.parentKeyVersion='";
+ private static final String AND_KEY_LOCAL_NAME = "' AND key.localName='";
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.onap.policy.apex.model.basicmodel.dao.impl.DefaultApexDao#delete(java.lang.Class,
+ * org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey)
+ */
+ @Override
+ public <T extends AxConcept> void delete(final Class<T> aClass, final AxArtifactKey key) {
+ if (key == null) {
+ return;
+ }
+ final EntityManager mg = getEntityManager();
+ try {
+ mg.getTransaction().begin();
+ mg.createQuery(DELETE_FROM + aClass.getSimpleName() + WHERE_KEY_NAME + key.getName() + AND_KEY_VERSION
+ + key.getVersion() + "'").executeUpdate();
+ mg.getTransaction().commit();
+ } finally {
+ mg.close();
+ }
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.onap.policy.apex.model.basicmodel.dao.impl.DefaultApexDao#delete(java.lang.Class,
+ * org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey)
+ */
+ @Override
+ public <T extends AxConcept> void delete(final Class<T> aClass, final AxReferenceKey key) {
+ if (key == null) {
+ return;
+ }
+ final EntityManager mg = getEntityManager();
+ try {
+ mg.getTransaction().begin();
+ mg.createQuery(DELETE_FROM + aClass.getSimpleName() + WHERE_KEY_PARENT_KEY_NAME + key.getParentKeyName()
+ + AND_KEY_PARENT_KEY_VERSION + key.getParentKeyVersion() + AND_KEY_LOCAL_NAME + key.getLocalName()
+ + "'").executeUpdate();
+ mg.getTransaction().commit();
+ } finally {
+ mg.close();
+ }
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.onap.policy.apex.model.basicmodel.dao.impl.DefaultApexDao#deleteByArtifactKey(java.lang.Class,
+ * java.util.Collection)
+ */
+ @Override
+ public <T extends AxConcept> int deleteByArtifactKey(final Class<T> aClass, final Collection<AxArtifactKey> keys) {
+ if (keys == null || keys.isEmpty()) {
+ return 0;
+ }
+ int deletedCount = 0;
+ final EntityManager mg = getEntityManager();
+ try {
+ mg.getTransaction().begin();
+ for (final AxArtifactKey key : keys) {
+ deletedCount += mg.createQuery(DELETE_FROM + aClass.getSimpleName() + WHERE_KEY_NAME + key.getName()
+ + AND_KEY_VERSION + key.getVersion() + "'").executeUpdate();
+ }
+ mg.getTransaction().commit();
+ } finally {
+ mg.close();
+ }
+ return deletedCount;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.onap.policy.apex.core.model.dao.ApexDao#deleteByContextUsageKey(java.lang.Class, java.util.Collection)
+ */
+ @Override
+ public <T extends AxConcept> int deleteByReferenceKey(final Class<T> aClass,
+ final Collection<AxReferenceKey> keys) {
+ if (keys == null || keys.isEmpty()) {
+ return 0;
+ }
+ int deletedCount = 0;
+ final EntityManager mg = getEntityManager();
+ try {
+ mg.getTransaction().begin();
+ for (final AxReferenceKey key : keys) {
+ deletedCount += mg.createQuery(DELETE_FROM + aClass.getSimpleName() + WHERE_KEY_PARENT_KEY_NAME
+ + key.getParentKeyName() + AND_KEY_PARENT_KEY_VERSION + key.getParentKeyVersion()
+ + AND_KEY_LOCAL_NAME + key.getLocalName() + "'").executeUpdate();
+ }
+ mg.getTransaction().commit();
+ } finally {
+ mg.close();
+ }
+ return deletedCount;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.onap.policy.apex.core.model.dao.ApexDao#deleteAll(java.lang.Class)
+ */
+ @Override
+ public <T extends AxConcept> void deleteAll(final Class<T> aClass) {
+ final EntityManager mg = getEntityManager();
+ try {
+ mg.getTransaction().begin();
+ mg.createQuery(DELETE_FROM + aClass.getSimpleName()).executeUpdate();
+ mg.getTransaction().commit();
+ } finally {
+ mg.close();
+ }
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.onap.policy.apex.core.model.dao.ApexDao#getAll(java.lang.Class)
+ */
+ @Override
+ public <T extends AxConcept> List<T> getAll(final Class<T> aClass) {
+ if (aClass == null) {
+ return Collections.emptyList();
+ }
+ final EntityManager mg = getEntityManager();
+ try {
+ final List<T> result = mg.createQuery(FROM + aClass.getSimpleName(), aClass).getResultList();
+ final List<T> cloneResult = new ArrayList<>();
+ for (final T t : result) {
+ try {
+ final T clonedT = aClass.newInstance();
+ t.copyTo(clonedT);
+ cloneResult.add(clonedT);
+ } catch (final Exception e) {
+ LOGGER.warn("Could not clone object of class \"" + aClass.getCanonicalName() + "\"", e);
+ return cloneResult;
+ }
+ }
+ return cloneResult;
+ } finally {
+ mg.close();
+ }
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.onap.policy.apex.core.model.dao.ApexDao#getAll(java.lang.Class,
+ * org.onap.policy.apex.core.model.concepts.AxArtifactKey)
+ */
+ @Override
+ public <T extends AxConcept> List<T> getAll(final Class<T> aClass, final AxArtifactKey parentKey) {
+ if (aClass == null) {
+ return Collections.emptyList();
+ }
+ final EntityManager mg = getEntityManager();
+ try {
+ return mg.createQuery(FROM + aClass.getSimpleName() + WHERE_KEY_PARENT_KEY_NAME + parentKey.getName()
+ + AND_KEY_PARENT_KEY_VERSION + parentKey.getVersion() + "'", aClass).getResultList();
+ } finally {
+ mg.close();
+ }
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.onap.policy.apex.core.model.dao.ApexDao#getArtifact(java.lang.Class,
+ * org.onap.policy.apex.core.model.concepts.AxArtifactKey)
+ */
+ @Override
+ public <T extends AxConcept> T getArtifact(final Class<T> aClass, final AxArtifactKey key) {
+ if (aClass == null || key == null) {
+ return null;
+ }
+ final EntityManager mg = getEntityManager();
+ List<T> ret;
+ try {
+ ret = mg.createQuery(FROM + aClass.getSimpleName() + WHERE_KEY_NAME + key.getName() + AND_KEY_VERSION
+ + key.getVersion() + "'", aClass).getResultList();
+ } finally {
+ mg.close();
+ }
+ if (ret == null || ret.isEmpty()) {
+ return null;
+ }
+ if (ret.size() > 1) {
+ throw new IllegalArgumentException("More than one result was returned for search for " + aClass
+ + " with key " + key.getID() + ": " + ret);
+ }
+ return ret.get(0);
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see org.onap.policy.apex.core.model.dao.ApexDao#getArtifact(java.lang.Class,
+ * org.onap.policy.apex.core.model.concepts.AxReferenceKey)
+ */
+ @Override
+ public <T extends AxConcept> T getArtifact(final Class<T> aClass, final AxReferenceKey key) {
+ if (aClass == null || key == null) {
+ return null;
+ }
+ final EntityManager mg = getEntityManager();
+ List<T> ret;
+ try {
+ ret = mg.createQuery(FROM + aClass.getSimpleName() + WHERE_KEY_PARENT_KEY_NAME + key.getParentKeyName()
+ + AND_KEY_PARENT_KEY_VERSION + key.getParentKeyVersion() + AND_KEY_LOCAL_NAME + key.getLocalName()
+ + "'", aClass).getResultList();
+ } finally {
+ mg.close();
+ }
+ if (ret == null || ret.isEmpty()) {
+ return null;
+ }
+ if (ret.size() > 1) {
+ throw new IllegalArgumentException("More than one result was returned for search for " + aClass
+ + " with key " + key.getID() + ": " + ret);
+ }
+ return ret.get(0);
+ }
+}
diff --git a/plugins/plugins-persistence/plugins-persistence-jpa/plugins-persistence-jpa-hibernate/src/main/java/org/onap/policy/apex/plugins/persistence/jpa/hibernate/package-info.java b/plugins/plugins-persistence/plugins-persistence-jpa/plugins-persistence-jpa-hibernate/src/main/java/org/onap/policy/apex/plugins/persistence/jpa/hibernate/package-info.java
new file mode 100644
index 000000000..036d45d5d
--- /dev/null
+++ b/plugins/plugins-persistence/plugins-persistence-jpa/plugins-persistence-jpa-hibernate/src/main/java/org/onap/policy/apex/plugins/persistence/jpa/hibernate/package-info.java
@@ -0,0 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2016-2018 Ericsson. 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.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+/**
+ * Provides the <a href="http://hibernate.org/">Hibernate</a> implementation on the APEX DAO for persistence over
+ * <a href="https://en.wikipedia.org/wiki/Java_Database_Connectivity">JDBC</a>.
+ *
+ * @author Liam Fallon (liam.fallon@ericsson.com)
+ */
+
+package org.onap.policy.apex.plugins.persistence.jpa.hibernate;