Examples of com.hazelcast.core.IMap.replace()

com.hazelcast.core.IMap.replace()
{@inheritDoc}

Warning:
This method uses hashCode and equals of binary form of the key, not the actual implementations of hashCode and equals defined in key's class. @throws NullPointerException if any of the specified parameters are null

    }


    @Test
    public void testReplace() throws Exception {
        final IMap map = createMap();
        assertNull(map.replace("key1", "value1"));
        map.put("key1", "value1");
        assertEquals("value1", map.replace("key1", "value2"));
        assertEquals("value2", map.get("key1"));


        assertFalse(map.replace("key1", "value1", "value3"));

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    @Test
    public void testReplace() throws Exception {
        final IMap map = createMap();
        assertNull(map.replace("key1", "value1"));
        map.put("key1", "value1");
        assertEquals("value1", map.replace("key1", "value2"));
        assertEquals("value2", map.get("key1"));


        assertFalse(map.replace("key1", "value1", "value3"));
        assertEquals("value2", map.get("key1"));
        assertTrue(map.replace("key1", "value2", "value3"));

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        assertNull(map.replace("key1", "value1"));
        map.put("key1", "value1");
        assertEquals("value1", map.replace("key1", "value2"));
        assertEquals("value2", map.get("key1"));


        assertFalse(map.replace("key1", "value1", "value3"));
        assertEquals("value2", map.get("key1"));
        assertTrue(map.replace("key1", "value2", "value3"));
        assertEquals("value3", map.get("key1"));
    }

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        assertEquals("value1", map.replace("key1", "value2"));
        assertEquals("value2", map.get("key1"));


        assertFalse(map.replace("key1", "value1", "value3"));
        assertEquals("value2", map.get("key1"));
        assertTrue(map.replace("key1", "value2", "value3"));
        assertEquals("value3", map.get("key1"));
    }


    @Test
    public void testSubmitToKey() throws Exception {

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    public void testReplace_whenKeyValueAbsent() throws Exception {
        final IMap map = client.getMap(randomString());
        final Object key = "Key";
        final Object value = "value";


        assertNull(map.replace(key, value));
        assertNull(map.get(key));
    }


    @Test
    public void testReplace() throws Exception {

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        final Object key = "Key";
        final Object oldValue = "value";
        final Object newValue = "NewValue";


        map.put(key, oldValue);
        final Object result = map.replace(key, newValue);


        assertEquals(oldValue, result);
        assertEquals(newValue, map.get(key));
    }

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        final Object key = "Key";
        final Object value = "value";
        final Object newValue = "NewValue";


        map.put(key, value);
        final boolean result = map.replace(key, value, newValue);


        assertTrue(result);
        assertEquals(newValue, map.get(key));
    }

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        final Object key = "Key";
        final Object value = "value";
        final Object newValue = "NewValue";


        map.put(key, value);
        final boolean result = map.replace(key, "NOT_THERE", newValue);


        assertFalse(result);
        assertEquals(value, map.get(key));
    }

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