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com.hazelcast.client.spi.impl.ClientInvocation Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2015, 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.spi.impl;
import com.hazelcast.client.AuthenticationException;
import com.hazelcast.client.HazelcastClientNotActiveException;
import com.hazelcast.client.config.ClientProperties;
import com.hazelcast.client.connection.nio.ClientConnection;
import com.hazelcast.client.impl.HazelcastClientInstanceImpl;
import com.hazelcast.client.impl.client.ClientRequest;
import com.hazelcast.client.impl.client.RetryableRequest;
import com.hazelcast.client.spi.ClientExecutionService;
import com.hazelcast.client.spi.ClientInvocationService;
import com.hazelcast.client.spi.EventHandler;
import com.hazelcast.core.HazelcastInstanceNotActiveException;
import com.hazelcast.core.LifecycleService;
import com.hazelcast.logging.ILogger;
import com.hazelcast.logging.Logger;
import com.hazelcast.nio.Address;
import com.hazelcast.nio.Connection;
import com.hazelcast.spi.exception.RetryableHazelcastException;
import com.hazelcast.util.EmptyStatement;
import java.io.IOException;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import static com.hazelcast.client.config.ClientProperties.PROP_HEARTBEAT_INTERVAL_DEFAULT;
public class ClientInvocation implements Runnable {
private static final long RETRY_WAIT_TIME_IN_SECONDS = 1;
private static final int UNASSIGNED_PARTITION = -1;
private static final ILogger LOGGER = Logger.getLogger(ClientInvocation.class);
private final LifecycleService lifecycleService;
private final ClientInvocationService invocationService;
private final ClientExecutionService executionService;
private final ClientListenerServiceImpl listenerService;
private final ClientRequest request;
private final EventHandler handler;
private final long retryCountLimit;
private final ClientInvocationFuture clientInvocationFuture;
private final int heartBeatInterval;
private final AtomicInteger reSendCount = new AtomicInteger();
private final Address address;
private final int partitionId;
private final Connection connection;
private volatile ClientConnection sendConnection;
private ClientInvocation(HazelcastClientInstanceImpl client, EventHandler handler,
ClientRequest request, int partitionId, Address address,
Connection connection) {
this.lifecycleService = client.getLifecycleService();
this.invocationService = client.getInvocationService();
this.executionService = client.getClientExecutionService();
this.listenerService = (ClientListenerServiceImpl) client.getListenerService();
this.handler = handler;
this.request = request;
this.partitionId = partitionId;
this.address = address;
this.connection = connection;
final ClientProperties clientProperties = client.getClientProperties();
int waitTime = clientProperties.getInvocationTimeoutSeconds().getInteger();
long retryTimeoutInSeconds = waitTime > 0 ? waitTime
: Integer.parseInt(ClientProperties.PROP_INVOCATION_TIMEOUT_SECONDS_DEFAULT);
clientInvocationFuture = new ClientInvocationFuture(this, client, request, handler);
this.retryCountLimit = retryTimeoutInSeconds / RETRY_WAIT_TIME_IN_SECONDS;
int interval = clientProperties.getHeartbeatInterval().getInteger();
this.heartBeatInterval = interval > 0 ? interval : Integer.parseInt(PROP_HEARTBEAT_INTERVAL_DEFAULT);
}
public ClientInvocation(HazelcastClientInstanceImpl client, EventHandler handler, ClientRequest request) {
this(client, handler, request, UNASSIGNED_PARTITION, null, null);
}
public ClientInvocation(HazelcastClientInstanceImpl client, EventHandler handler,
ClientRequest request, int partitionId) {
this(client, handler, request, partitionId, null, null);
}
public ClientInvocation(HazelcastClientInstanceImpl client, EventHandler handler,
ClientRequest request, Address address) {
this(client, handler, request, UNASSIGNED_PARTITION, address, null);
}
public ClientInvocation(HazelcastClientInstanceImpl client, EventHandler handler,
ClientRequest request, Connection connection) {
this(client, handler, request, UNASSIGNED_PARTITION, null, connection);
}
public ClientInvocation(HazelcastClientInstanceImpl client, ClientRequest request) {
this(client, null, request);
}
public ClientInvocation(HazelcastClientInstanceImpl client, ClientRequest request,
int partitionId) {
this(client, null, request, partitionId);
}
public ClientInvocation(HazelcastClientInstanceImpl client, ClientRequest request,
Address address) {
this(client, null, request, address);
}
public ClientInvocation(HazelcastClientInstanceImpl client, ClientRequest request,
Connection connection) {
this(client, null, request, connection);
}
public int getPartitionId() {
return partitionId;
}
public ClientRequest getRequest() {
return request;
}
public EventHandler getHandler() {
return handler;
}
public ClientInvocationFuture invoke() {
if (request == null) {
throw new IllegalStateException("Request can not be null");
}
try {
invokeOnSelection();
} catch (Exception e) {
notify(e);
}
return clientInvocationFuture;
}
private void invokeOnSelection() throws IOException {
if (isBindToSingleConnection()) {
invocationService.invokeOnConnection(this, (ClientConnection) connection);
} else if (partitionId != -1) {
invocationService.invokeOnPartitionOwner(this, partitionId);
} else if (address != null) {
invocationService.invokeOnTarget(this, address);
} else {
invocationService.invokeOnRandomTarget(this);
}
}
@Override
public void run() {
try {
invoke();
} catch (Throwable e) {
if (handler != null) {
listenerService.registerFailedListener(this);
} else {
clientInvocationFuture.setResponse(e);
}
}
}
public void notify(Object response) {
if (response == null) {
throw new IllegalArgumentException("response can't be null");
}
if (!(response instanceof Exception)) {
clientInvocationFuture.setResponse(response);
return;
}
Exception exception = (Exception) response;
if (!lifecycleService.isRunning()) {
clientInvocationFuture.setResponse(new HazelcastClientNotActiveException(exception.getMessage()));
return;
}
notifyException(exception);
}
private void notifyException(Exception exception) {
if (exception instanceof IOException
|| exception instanceof HazelcastInstanceNotActiveException
|| exception instanceof AuthenticationException
) {
if (handleRetry()) {
return;
}
}
if (exception instanceof RetryableHazelcastException) {
if (request instanceof RetryableRequest || invocationService.isRedoOperation()) {
if (handleRetry()) {
return;
}
}
}
clientInvocationFuture.setResponse(exception);
}
private boolean handleRetry() {
if (isBindToSingleConnection()) {
return false;
}
if (handler == null && reSendCount.incrementAndGet() > retryCountLimit) {
return false;
}
if (handler != null) {
handler.beforeListenerRegister();
}
try {
sleep();
executionService.execute(this);
} catch (RejectedExecutionException e) {
if (LOGGER.isFinestEnabled()) {
LOGGER.finest("Retry could not be scheduled ", e);
}
clientInvocationFuture.setResponse(e);
}
return true;
}
private void sleep() {
try {
Thread.sleep(TimeUnit.SECONDS.toMillis(RETRY_WAIT_TIME_IN_SECONDS));
} catch (InterruptedException ignored) {
EmptyStatement.ignore(ignored);
}
}
private boolean isBindToSingleConnection() {
return connection != null;
}
boolean isConnectionHealthy(long elapsed) {
if (elapsed >= heartBeatInterval) {
if (sendConnection != null) {
return sendConnection.isHeartBeating();
} else {
return true;
}
}
return true;
}
public int getHeartBeatInterval() {
return heartBeatInterval;
}
public void setSendConnection(ClientConnection connection) {
this.sendConnection = connection;
}
public ClientConnection getSendConnection() {
return sendConnection;
}
public boolean isInvoked() {
return sendConnection != null;
}
}
