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/*
* Copyright (c) 2008-2020, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.client.proxy.txn;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.codec.TransactionalQueueOfferCodec;
import com.hazelcast.client.impl.protocol.codec.TransactionalQueuePeekCodec;
import com.hazelcast.client.impl.protocol.codec.TransactionalQueuePollCodec;
import com.hazelcast.client.impl.protocol.codec.TransactionalQueueSizeCodec;
import com.hazelcast.client.impl.protocol.codec.TransactionalQueueTakeCodec;
import com.hazelcast.client.spi.ClientTransactionContext;
import com.hazelcast.collection.impl.queue.QueueService;
import com.hazelcast.core.TransactionalQueue;
import com.hazelcast.nio.serialization.Data;
import java.util.concurrent.TimeUnit;
import static com.hazelcast.util.ThreadUtil.getThreadId;
import static java.lang.Thread.currentThread;
/**
* Proxy implementation of {@link TransactionalQueue}.
*
* @param the type of elements in this queue
*/
public class ClientTxnQueueProxy extends ClientTxnProxy implements TransactionalQueue {
public ClientTxnQueueProxy(String name, ClientTransactionContext transactionContext) {
super(name, transactionContext);
}
@Override
public boolean offer(E e) {
try {
return offer(e, 0, TimeUnit.MILLISECONDS);
} catch (InterruptedException e1) {
currentThread().interrupt();
return false;
}
}
@Override
public boolean offer(E e, long timeout, TimeUnit unit) throws InterruptedException {
Data data = toData(e);
ClientMessage request = TransactionalQueueOfferCodec
.encodeRequest(name, getTransactionId(), getThreadId(), data, unit.toMillis(timeout));
ClientMessage response = invoke(request);
return TransactionalQueueOfferCodec.decodeResponse(response).response;
}
@Override
public E take() throws InterruptedException {
ClientMessage request = TransactionalQueueTakeCodec.encodeRequest(name, getTransactionId(), getThreadId());
ClientMessage response = invoke(request);
return (E) toObject(TransactionalQueueTakeCodec.decodeResponse(response).response);
}
@Override
public E poll() {
try {
return poll(0, TimeUnit.MILLISECONDS);
} catch (InterruptedException e) {
currentThread().interrupt();
return null;
}
}
@Override
public E poll(long timeout, TimeUnit unit) throws InterruptedException {
ClientMessage request = TransactionalQueuePollCodec
.encodeRequest(name, getTransactionId(), getThreadId(), unit.toMillis(timeout));
ClientMessage response = invoke(request);
return (E) toObject(TransactionalQueuePollCodec.decodeResponse(response).response);
}
@Override
public E peek() {
try {
return peek(0, TimeUnit.MILLISECONDS);
} catch (InterruptedException e) {
currentThread().interrupt();
return null;
}
}
@Override
public E peek(long timeout, TimeUnit unit) throws InterruptedException {
ClientMessage request = TransactionalQueuePeekCodec
.encodeRequest(name, getTransactionId(), getThreadId(), unit.toMillis(timeout));
ClientMessage response = invoke(request);
return (E) toObject(TransactionalQueuePeekCodec.decodeResponse(response).response);
}
@Override
public int size() {
ClientMessage request = TransactionalQueueSizeCodec.encodeRequest(name, getTransactionId(), getThreadId());
ClientMessage response = invoke(request);
return TransactionalQueueSizeCodec.decodeResponse(response).response;
}
@Override
public String getServiceName() {
return QueueService.SERVICE_NAME;
}
@Override
void onDestroy() {
}
}