Examples of com.hazelcast.core.MultiMap

com.hazelcast.core.MultiMap
A specialized map whose keys can be associated with multiple values.

Gotchas:
- Methods, including but not limited to get, containsKey, containsValue, remove, put, lock, unlock, do not use hashCode and equals implementations of keys, instead they use hashCode and equals of binary (serialized) forms of the objects.
- Methods, including but not limited to get, remove, keySet, values, entrySet, return a collection clone of the values. The collection is NOT backed by the map, so changes to the map are NOT reflected in the collection, and vice-versa.
@author oztalip @see IMap


    @Test
    public void testKeyValues() {
        final int maxKeys = 31;
        final int maxValues = 3;
        final MultiMap mm = client.getMultiMap(randomString());


        Set expected = new TreeSet();
        for ( int key=0; key< maxKeys; key++ ){
            for ( int val=0; val< maxValues; val++ ){
                mm.put(key, val);
                expected.add(val);
            }
        }


        Set resultSet = new TreeSet( mm.values() );


        assertEquals(expected, resultSet);
    }

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        assertEquals(expected, resultSet);
    }


    @Test
    public void testEntrySet_whenEmpty() {
        final MultiMap mm = client.getMultiMap(randomString());
        assertEquals(Collections.EMPTY_SET, mm.entrySet());
    }

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    @Test
    public void testEntrySet() {
        final int maxKeys = 14;
        final int maxValues = 3;
        final MultiMap mm = client.getMultiMap(randomString());


        for ( int key=0; key< maxKeys; key++ ){
            for ( int val=0; val< maxValues; val++ ){
                mm.put(key, val);
            }
        }


        assertEquals(maxKeys * maxValues, mm.entrySet().size());
    }

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        assertEquals(maxKeys * maxValues, mm.entrySet().size());
    }


    @Test
    public void testContainsKey_whenKeyExists() {
        final MultiMap mm = client.getMultiMap(randomString());
        mm.put("key1", "value1");


        assertTrue(mm.containsKey("key1"));
    }

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        assertTrue(mm.containsKey("key1"));
    }


    @Test
    public void testContainsKey_whenKeyNotExists() {
        final MultiMap mm = client.getMultiMap(randomString());


        assertFalse(mm.containsKey("NOT_THERE"));
    }

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        assertFalse(mm.containsKey("NOT_THERE"));
    }


    @Test(expected = NullPointerException.class)
    public void testContainsKey_whenKeyNull() {
        final MultiMap mm = client.getMultiMap(randomString());


        mm.containsKey(null);
    }

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        mm.containsKey(null);
    }


    @Test
    public void testContainsValue_whenExists() {
        final MultiMap mm = client.getMultiMap(randomString());
        mm.put("key1", "value1");


        assertTrue(mm.containsValue("value1"));
        assertFalse(mm.containsValue("NOT_THERE"));
    }

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        assertFalse(mm.containsValue("NOT_THERE"));
    }


    @Test
    public void testContainsValue_whenNotExists() {
        final MultiMap mm = client.getMultiMap(randomString());
        assertFalse(mm.containsValue("NOT_THERE"));
    }

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        assertFalse(mm.containsValue("NOT_THERE"));
    }


    @Test(expected = NullPointerException.class)
    public void testContainsValue_whenSearchValueNull() {
        final MultiMap mm = client.getMultiMap(randomString());
        mm.containsValue(null);
    }

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        mm.containsValue(null);
    }


    @Test
    public void testContainsEntry() {
        final MultiMap mm = client.getMultiMap(randomString());
        mm.put("key1", "value1");


        assertTrue(mm.containsEntry("key1", "value1"));
        assertFalse(mm.containsEntry("key1", "NOT_THERE"));
        assertFalse(mm.containsEntry("NOT_THERE", "NOT_THERE"));
        assertFalse(mm.containsEntry("NOT_THERE", "value1"));
    }

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com.hazelcast.client.impl.client.txn.ClientTxnMultiMapTest

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com.hazelcast.client.multimap.ClientMultiMapListenerStressTest

com.hazelcast.client.multimap.ClientMultiMapLockTest

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