ActiveMQ example source code file (MapContainerTest.java)

This example ActiveMQ source code file (MapContainerTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - ActiveMQ tags/keywords

count, dd, exception, exception, first, io, iterator, iterator, m1, m1, mapcontainer, object, store, string, string, util

The ActiveMQ MapContainerTest.java source code

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.activemq.kaha;

import java.io.IOException;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import org.apache.activemq.kaha.impl.container.BaseContainerImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import junit.framework.TestCase;

public class MapContainerTest extends TestCase {
    private static final Logger LOG = LoggerFactory.getLogger(MapContainerTest.class);
    protected static final int COUNT = 10;

    protected String name = "test";
    protected Store store;
    protected MapContainer<String, String> container;
    protected Map<String, String> testMap;

    public void testBasicAllocations() throws Exception {
        String key = "key";
        Object value = testMap;
        MapContainer<String, Object> test = store.getMapContainer("test", "test");
        test.put(key, value);
        store.close();
        store = getStore();
        assertFalse(store.getMapContainerIds().isEmpty());
        test = store.getMapContainer("test", "test");
        assertEquals(value, test.get(key));

    }

    /*
     * Test method for 'org.apache.activemq.kaha.MapContainer.size()'
     */
    public void testSize() throws Exception {
        container.putAll(testMap);
        assertTrue(container.size() == testMap.size());
    }

    /*
     * Test method for 'org.apache.activemq.kaha.MapContainer.isEmpty()'
     */
    public void testIsEmpty() throws Exception {
        assertTrue(container.isEmpty());
    }

    /*
     * Test method for 'org.apache.activemq.kaha.MapContainer.clear()'
     */
    public void testClear() throws Exception {
        container.putAll(testMap);
        assertTrue(container.size() == testMap.size());
        container.clear();
        assertTrue(container.isEmpty());
    }

    /*
     * Test method for
     * 'org.apache.activemq.kaha.MapContainer.containsKey(Object)'
     */
    public void testContainsKeyObject() throws Exception {
        container.putAll(testMap);
        for (Iterator i = testMap.entrySet().iterator(); i.hasNext();) {
            Map.Entry entry = (Entry)i.next();
            assertTrue(container.containsKey(entry.getKey()));
        }
    }

    /*
     * Test method for 'org.apache.activemq.kaha.MapContainer.get(Object)'
     */
    public void testGetObject() throws Exception {
        container.putAll(testMap);
        for (Iterator i = testMap.entrySet().iterator(); i.hasNext();) {
            Map.Entry entry = (Entry)i.next();
            Object value = container.get(entry.getKey());
            assertNotNull(value);
            assertTrue(value.equals(entry.getValue()));
        }
    }

    /*
     * Test method for
     * 'org.apache.activemq.kaha.MapContainer.containsValue(Object)'
     */
    public void testContainsValueObject() throws Exception {
        container.putAll(testMap);
        for (Iterator i = testMap.entrySet().iterator(); i.hasNext();) {
            Map.Entry entry = (Entry)i.next();
            assertTrue(container.containsValue(entry.getValue()));
        }
    }

    /*
     * Test method for 'org.apache.activemq.kaha.MapContainer.putAll(Map)'
     */
    public void testPutAllMap() throws Exception {
        container.putAll(testMap);
        for (Iterator i = testMap.entrySet().iterator(); i.hasNext();) {
            Map.Entry entry = (Entry)i.next();
            assertTrue(container.containsValue(entry.getValue()));
            assertTrue(container.containsKey(entry.getKey()));
        }
    }

    /*
     * Test method for 'org.apache.activemq.kaha.MapContainer.keySet()'
     */
    public void testKeySet() throws Exception {
        container.putAll(testMap);
        Set<String> keys = container.keySet();
        assertTrue(keys.size() == testMap.size());
        for (Iterator<String> i = testMap.keySet().iterator(); i.hasNext();) {
            Object key = i.next();
            assertTrue(keys.contains(key));
            keys.remove(key);
        }
        assertTrue(container.isEmpty());

    }

    /*
     * Test method for 'org.apache.activemq.kaha.MapContainer.values()'
     */
    public void testValues() throws Exception {
        container.putAll(testMap);
        Collection<String> values = container.values();
        assertTrue(values.size() == testMap.size());
        for (Iterator<String> i = testMap.values().iterator(); i.hasNext();) {
            Object value = i.next();
            assertTrue(values.contains(value));
            assertTrue(values.remove(value));
        }
        assertTrue(container.isEmpty());
    }

    /*
     * Test method for 'org.apache.activemq.kaha.MapContainer.entrySet()'
     */
    public void testEntrySet() throws Exception {
        container.putAll(testMap);
        Set entries = container.entrySet();
        assertTrue(entries.size() == testMap.size());
        for (Iterator i = entries.iterator(); i.hasNext();) {
            Map.Entry entry = (Entry)i.next();
            assertTrue(testMap.containsKey(entry.getKey()));
            assertTrue(testMap.containsValue(entry.getValue()));

        }

    }

    /*
     * Test method for 'org.apache.activemq.kaha.MapContainer.remove(Object)'
     */
    public void testRemoveObject() throws Exception {
        container.putAll(testMap);
        for (Iterator<String> i = testMap.keySet().iterator(); i.hasNext();) {
            container.remove(i.next());
        }
        assertTrue(container.isEmpty());
    }

    
    public void testDuplicatesOk() throws Exception {
        StoreEntry first, entry; 
        
        container.put("M1", "DD");
        first = container.getFirst();
        LOG.info("First=" + first);
        assertEquals(-1, first.getNextItem());
        
        // add duplicate
        String old = container.put("M1", "DD");
        assertNotNull(old);
        assertEquals(1, container.size());
        
        entry = container.getFirst();
        LOG.info("New First=" + entry);
        assertEquals(-1, entry.getNextItem());

        assertEquals(first, entry);
        
        container.remove("M1");
        
        entry = container.getFirst();
        assertNull(entry);
    }

    
    public void testDuplicatesFreeListShared() throws Exception {
        StoreEntry batchEntry; 
        
        MapContainer other = store.getMapContainer(getName()+"2", "test", true);
        other.load();
        other.put("M1", "DD");
             
        container.put("M1", "DD");
        batchEntry = container.getFirst();
        LOG.info("First=" + batchEntry);
        assertEquals(-1, batchEntry.getNextItem());
        
        // have something on free list before duplicate
        other.remove("M1");
        
        // add duplicate
        String old = container.put("M1", "DD");
        assertNotNull(old);
        assertEquals(1, container.size());

        // entry now on free list on its own
        batchEntry = container.refresh(batchEntry);
        assertEquals(-1, batchEntry.getNextItem());
        LOG.info("refreshed=" + batchEntry);
        
        // ack
        container.remove("M1");   
        
        //container is valid  (empty)
        assertNull(container.getFirst());

        // batchEntry now has next as there is another on the free list
        batchEntry = container.refresh(batchEntry);
        LOG.info("refreshed=" + batchEntry);
        
        assertTrue(batchEntry.getNextItem() != -1);        
    }

    protected Store getStore() throws IOException {
        return StoreFactory.open(name, "rw");
    }

    protected void setUp() throws Exception {
        super.setUp();
        name = System.getProperty("basedir", ".") + "/target/activemq-data/map-container.db";
        store = getStore();
        container = store.getMapContainer(getName(), "test", true);
        container.load();
        testMap = new HashMap<String, String>();
        for (int i = 0; i < COUNT; i++) {
            String key = "key:" + i;
            String value = "value:" + i;
            testMap.put(key, value);
        }

    }

    protected void tearDown() throws Exception {
        super.tearDown();
        if (store != null) {
            store.close();
            store = null;
        }
        assertTrue(StoreFactory.delete(name));
    }

}