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

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

Warning:

ˆ 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 the specified key is null

        boolean b = h1.executeTransaction(options, new TransactionalTask<Boolean>() {
            public Boolean execute(TransactionalTaskContext context) throws TransactionException {
                final TransactionalMap<Object, Object> txMap = context.getMap("default");
                txMap.delete("1");
                assertEquals(false, txMap.containsKey("1"));
                assertEquals(true, map.containsKey("1"));
                return true;
            }
        });
        assertTrue(b);
    }

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        assertEquals(employee, map.putIfAbsent("6", newEmployee));
        assertEquals(employee, map.get("6"));
        assertEquals(employee, testMapStore.getStore().get("6"));


        assertTrue(map.containsKey("7"));
        assertEquals(employee, map.get("7"));


        assertNull(map.get("8"));
        assertFalse(map.containsKey("8"));
        assertNull(map.putIfAbsent("8", employee));

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        assertTrue(map.containsKey("7"));
        assertEquals(employee, map.get("7"));


        assertNull(map.get("8"));
        assertFalse(map.containsKey("8"));
        assertNull(map.putIfAbsent("8", employee));
        assertEquals(employee, map.get("8"));
        assertEquals(employee, testMapStore.getStore().get("8"));
    }

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        Set actual = mapForStore.keySet();
        assertEquals(expected, actual);
        assertEquals(map.values(), mapForStore.values());
        assertEquals(map.entrySet(), mapForStore.entrySet());


        assertFalse(map.containsKey(keyWithNullValue));
        assertNull(map.get(keyWithNullValue));
    }


    @Test(timeout = 120000)
    //issue#2747:when MapStore configured with write behind, distributed objects' destroy method does not work.

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