Examples with CanonicalInstantiator org.apache.geode.CanonicalInstantiator used on opensource projects

Example 1 with CanonicalInstantiator

use of org.apache.geode.CanonicalInstantiator in project geode by apache.

the class InternalDataSerializer method readUserDataSerializable.

private static Object readUserDataSerializable(final DataInput in, int classId) throws IOException {
    Instantiator instantiator = InternalInstantiator.getInstantiator(classId);
    if (instantiator == null) {
        logger.error(LogMarker.SERIALIZER, LocalizedMessage.create(LocalizedStrings.DataSerializer_NO_INSTANTIATOR_HAS_BEEN_REGISTERED_FOR_CLASS_WITH_ID_0, classId));
        throw new IOException(LocalizedStrings.DataSerializer_NO_INSTANTIATOR_HAS_BEEN_REGISTERED_FOR_CLASS_WITH_ID_0.toLocalizedString(classId));
    } else {
        try {
            DataSerializable ds;
            if (instantiator instanceof CanonicalInstantiator) {
                CanonicalInstantiator ci = (CanonicalInstantiator) instantiator;
                ds = ci.newInstance(in);
            } else {
                ds = instantiator.newInstance();
            }
            ds.fromData(in);
            return ds;
        } catch (Exception ex) {
            throw new SerializationException(LocalizedStrings.DataSerializer_COULD_NOT_DESERIALIZE_AN_INSTANCE_OF_0.toLocalizedString(instantiator.getInstantiatedClass().getName()), ex);
        }
    }
}

Example 2 with CanonicalInstantiator

use of org.apache.geode.CanonicalInstantiator in project geode by apache.

the class DataSerializableJUnitTest method testCanonicalInstantiator.

/**
   * Tests that an <code>CanonicalInstantiator</code> is invoked at the appropriate times.
   */
@Test
public void testCanonicalInstantiator() throws Exception {
    final boolean[] wasInvoked = new boolean[] { false };
    Instantiator.register(new CanonicalInstantiator(CanonicalDataSerializableImpl.class, (byte) 45) {

        public DataSerializable newInstance(DataInput di) throws IOException {
            wasInvoked[0] = true;
            return CanonicalDataSerializableImpl.create(di.readByte());
        }
    });
    try {
        byte id = (byte) 57;
        Class_testInstantiator.supClass = CanonicalDataSerializableImpl.class;
        DataSerializer.register(Class_testInstantiator.class);
        try {
            Object o = CanonicalDataSerializableImpl.create();
            DataSerializer.writeObject(o, getDataOutput());
            Object o2 = DataSerializer.readObject(getDataInput());
            assertTrue(wasInvoked[0]);
            assertTrue(o == o2);
        } finally {
            InternalDataSerializer.unregister(id);
        }
    } finally {
        InternalInstantiator.unregister(CanonicalDataSerializableImpl.class, (byte) 45);
    }
}