com.impetus.client.oraclenosql.OracleNoSQLTestBase.java Source code

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Here is the source code for com.impetus.client.oraclenosql.OracleNoSQLTestBase.java

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/**
 * Copyright 2013 Impetus Infotech.
 *
 * 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.
 */
package com.impetus.client.oraclenosql;

import java.util.List;
import java.util.Map;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.persistence.Query;

import org.apache.commons.lang.StringUtils;

import com.impetus.kundera.client.Client;
import com.impetus.kundera.client.ClientBase;
import com.impetus.kundera.metadata.model.ClientMetadata;

/**
 * Base class for all test cases
 * 
 * @author amresh.singh
 */
public class OracleNoSQLTestBase {

    private static final String PERSISTENCE_UNIT = "twikvstore";

    /** The emf. */
    private static EntityManagerFactory emf;

    /** The em. */
    private static EntityManager em;

    protected void setUp() throws Exception {
        emf = Persistence.createEntityManagerFactory(PERSISTENCE_UNIT);
        em = emf.createEntityManager();
    }

    protected void tearDown() {
        em.close();
        emf.close();
    }

    protected void clearEm() {
        em.clear();
    }

    protected void setEmProperty(String key, Object value) {
        em.setProperty(key, value);
    }

    protected void persist(Object entity) {
        em.persist(entity);
    }

    protected Object find(Class<?> entityClass, Object id) {
        return em.find(entityClass, id);
    }

    protected void update(Object entity) {
        em.merge(entity);
    }

    protected void delete(Object entity) {
        em.remove(entity);
    }

    protected List executeSelectQuery(String jpaQuery) {
        Query query = em.createQuery(jpaQuery);
        return query.getResultList();
    }

    protected List executeSelectQuery(String jpaQuery, Map<Object, Object> params) {
        Query query = em.createQuery(jpaQuery);
        setParams(params, query);
        return query.getResultList();
    }

    protected int executeDMLQuery(String jpaQuery) {
        Query query = em.createQuery(jpaQuery);
        int updateCount = query.executeUpdate();
        return updateCount;
    }

    protected List executeNamedQuery(String namedQuery, Map<Object, Object> params) {
        Query query = em.createNamedQuery(namedQuery);
        setParams(params, query);
        return query.getResultList();
    }

    protected void begingTx() {
        em.getTransaction().begin();
    }

    protected void commitTx() {
        em.getTransaction().commit();
    }

    protected void rollbackTx() {
        em.getTransaction().rollback();
    }

    /**
     * @param params
     * @param query
     */
    private void setParams(Map<Object, Object> params, Query query) {
        if (params != null && !params.isEmpty()) {
            for (Object param : params.keySet()) {
                if (param instanceof Integer) {
                    query.setParameter(((Integer) param).intValue(), params.get(param));
                } else if (param instanceof String) {
                    query.setParameter((String) param, params.get(param));
                }
            }

        }
    }

    protected boolean isLuceneIndexingEnabled() {
        if (emf != null) {
            Map<String, Client> clients = (Map<String, Client>) em.getDelegate();

            OracleNoSQLClient client = (OracleNoSQLClient) clients.get(PERSISTENCE_UNIT);

            ClientMetadata clientMetadata = ((ClientBase) client).getClientMetadata();
            String luceneDirectory = clientMetadata.getLuceneIndexDir();
            if (!StringUtils.isEmpty(luceneDirectory)) {
                return true;
            }
        }
        return false;
    }

}