Java Code Examples for java.util.ArrayDeque#clone()

The following examples show how to use java.util.ArrayDeque#clone() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TemplatableType.java    From zserio with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
/**
 * Instantiates the referenced template using the given instantiation reference.
 *
 * @param instantiationReferenceStack Stack of instantiations leading to this instantiation.
 * @param instantiationPackage        Package where the template should be instantiated.
 *
 * @return Instantiated template.
 */
TemplatableType instantiate(ArrayDeque<TypeReference> instantiationReferenceStack,
        Package instantiationPackage)
{
    final TypeReference instantiationReference = instantiationReferenceStack.peek();
    final List<TemplateArgument> templateArguments = instantiationReference.getTemplateArguments();
    if (templateParameters.size() != templateArguments.size())
    {
        throw new ParserException(instantiationReference,
                "Wrong number of template arguments for template '" + getName() + "'! Expecting " +
                templateParameters.size() + ", got " + templateArguments.size() + "!");
    }

    TemplatableType instantiation = instantiateImpl(templateArguments, instantiationPackage);
    instantiation.instantiationReferenceStack = instantiationReferenceStack.clone();
    instantiation.template = this;
    instantiations.add(instantiation);
    return instantiation;
}
Example 2
Source File: ArrayDequeTest.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * A cloned deque has same elements in same order
 */
public void testClone() throws Exception {
    ArrayDeque<Integer> x = populatedDeque(SIZE);
    ArrayDeque<Integer> y = x.clone();

    assertNotSame(y, x);
    assertEquals(x.size(), y.size());
    assertEquals(x.toString(), y.toString());
    assertTrue(Arrays.equals(x.toArray(), y.toArray()));
    while (!x.isEmpty()) {
        assertFalse(y.isEmpty());
        assertEquals(x.remove(), y.remove());
    }
    assertTrue(y.isEmpty());
}
Example 3
Source File: RecordWriterTest.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
/**
 * The results of emitting records via BroadcastPartitioner or broadcasting records directly are the same,
 * that is all the target channels can receive the whole outputs.
 *
 * @param isBroadcastEmit whether using {@link RecordWriter#broadcastEmit(IOReadableWritable)} or not
 */
private void emitRecordWithBroadcastPartitionerOrBroadcastEmitRecord(boolean isBroadcastEmit) throws Exception {
	final int numberOfChannels = 4;
	final int bufferSize = 32;
	final int numValues = 8;
	final int serializationLength = 4;

	@SuppressWarnings("unchecked")
	final Queue<BufferConsumer>[] queues = new Queue[numberOfChannels];
	for (int i = 0; i < numberOfChannels; i++) {
		queues[i] = new ArrayDeque<>();
	}

	final TestPooledBufferProvider bufferProvider = new TestPooledBufferProvider(Integer.MAX_VALUE, bufferSize);
	final ResultPartitionWriter partitionWriter = new CollectingPartitionWriter(queues, bufferProvider);
	final ChannelSelector selector = new OutputEmitter(ShipStrategyType.BROADCAST, 0);
	final RecordWriter<SerializationTestType> writer = RecordWriter.createRecordWriter(partitionWriter, selector, 0, "test");
	final RecordDeserializer<SerializationTestType> deserializer = new SpillingAdaptiveSpanningRecordDeserializer<>(
		new String[]{ tempFolder.getRoot().getAbsolutePath() });

	final ArrayDeque<SerializationTestType> serializedRecords = new ArrayDeque<>();
	final Iterable<SerializationTestType> records = Util.randomRecords(numValues, SerializationTestTypeFactory.INT);
	for (SerializationTestType record : records) {
		serializedRecords.add(record);

		if (isBroadcastEmit) {
			writer.broadcastEmit(record);
		} else {
			writer.emit(record);
		}
	}

	final int requiredBuffers = numValues / (bufferSize / (4 + serializationLength));
	for (int i = 0; i < numberOfChannels; i++) {
		assertEquals(requiredBuffers, queues[i].size());

		final ArrayDeque<SerializationTestType> expectedRecords = serializedRecords.clone();
		int assertRecords = 0;
		for (int j = 0; j < requiredBuffers; j++) {
			Buffer buffer = buildSingleBuffer(queues[i].remove());
			deserializer.setNextBuffer(buffer);

			assertRecords += DeserializationUtils.deserializeRecords(expectedRecords, deserializer);
		}
		Assert.assertEquals(numValues, assertRecords);
	}
}
Example 4
Source File: RecordWriterTest.java    From flink with Apache License 2.0 4 votes vote down vote up 
/**
 * The results of emitting records via BroadcastPartitioner or broadcasting records directly are the same,
 * that is all the target channels can receive the whole outputs.
 *
 * @param isBroadcastEmit whether using {@link RecordWriter#broadcastEmit(IOReadableWritable)} or not
 */
private void emitRecordWithBroadcastPartitionerOrBroadcastEmitRecord(boolean isBroadcastEmit) throws Exception {
	final int numberOfChannels = 4;
	final int bufferSize = 32;
	final int numValues = 8;
	final int serializationLength = 4;

	@SuppressWarnings("unchecked")
	final Queue<BufferConsumer>[] queues = new Queue[numberOfChannels];
	for (int i = 0; i < numberOfChannels; i++) {
		queues[i] = new ArrayDeque<>();
	}

	final TestPooledBufferProvider bufferProvider = new TestPooledBufferProvider(Integer.MAX_VALUE, bufferSize);
	final ResultPartitionWriter partitionWriter = new CollectingPartitionWriter(queues, bufferProvider);
	final ChannelSelector selector = new OutputEmitter(ShipStrategyType.BROADCAST, 0);
	final RecordWriter<SerializationTestType> writer = new RecordWriterBuilder()
		.setChannelSelector(selector)
		.setTimeout(0)
		.build(partitionWriter);
	final RecordDeserializer<SerializationTestType> deserializer = new SpillingAdaptiveSpanningRecordDeserializer<>(
		new String[]{ tempFolder.getRoot().getAbsolutePath() });

	final ArrayDeque<SerializationTestType> serializedRecords = new ArrayDeque<>();
	final Iterable<SerializationTestType> records = Util.randomRecords(numValues, SerializationTestTypeFactory.INT);
	for (SerializationTestType record : records) {
		serializedRecords.add(record);

		if (isBroadcastEmit) {
			writer.broadcastEmit(record);
		} else {
			writer.emit(record);
		}
	}

	final int requiredBuffers = numValues / (bufferSize / (4 + serializationLength));
	for (int i = 0; i < numberOfChannels; i++) {
		assertEquals(requiredBuffers, queues[i].size());

		final ArrayDeque<SerializationTestType> expectedRecords = serializedRecords.clone();
		int assertRecords = 0;
		for (int j = 0; j < requiredBuffers; j++) {
			Buffer buffer = buildSingleBuffer(queues[i].remove());
			deserializer.setNextBuffer(buffer);

			assertRecords += DeserializationUtils.deserializeRecords(expectedRecords, deserializer);
		}
		Assert.assertEquals(numValues, assertRecords);
	}
}