/*
* Copyright (c) 2008-2017, 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.config;
import com.hazelcast.config.DiscoveryConfig;
import com.hazelcast.config.SSLConfig;
import com.hazelcast.config.SocketInterceptorConfig;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import static com.hazelcast.util.Preconditions.isNotNull;
/**
* Contains configuration parameters for client network related behaviour
*/
public class ClientNetworkConfig {
private static final int CONNECTION_TIMEOUT = 5000;
private static final int CONNECTION_ATTEMPT_PERIOD = 3000;
private final List<String> addressList = new ArrayList<String>(10);
private boolean smartRouting = true;
private boolean redoOperation;
private int connectionTimeout = CONNECTION_TIMEOUT;
private int connectionAttemptLimit = 2;
private int connectionAttemptPeriod = CONNECTION_ATTEMPT_PERIOD;
private SocketInterceptorConfig socketInterceptorConfig;
private SocketOptions socketOptions = new SocketOptions();
private SSLConfig sslConfig;
private ClientAwsConfig clientAwsConfig;
private DiscoveryConfig discoveryConfig;
/**
* Returns the configuration of the Hazelcast Discovery SPI and configured discovery providers
*
* @return Discovery Provider SPI configuration
*/
public DiscoveryConfig getDiscoveryConfig() {
if (discoveryConfig == null) {
discoveryConfig = new DiscoveryConfig();
}
return discoveryConfig;
}
/**
* Defines the Discovery Provider SPI configuration
*
* @param discoveryConfig the Discovery Provider SPI configuration
* @throws java.lang.IllegalArgumentException if discoveryConfig is null
*/
public void setDiscoveryConfig(DiscoveryConfig discoveryConfig) {
this.discoveryConfig = isNotNull(discoveryConfig, "discoveryConfig");
}
/**
* @return true if client is smart
* @see {@link com.hazelcast.client.config.ClientNetworkConfig#setSmartRouting(boolean)} for details
*/
public boolean isSmartRouting() {
return smartRouting;
}
/**
* If true, client will route the key based operations to owner of the key at the best effort.
* Note that it uses a cached version of {@link com.hazelcast.core.PartitionService#getPartitions()} and doesn't
* guarantee that the operation will always be executed on the owner. The cached table is updated every 10 seconds.
* Default value is true.
*
* @param smartRouting true if smart routing should be enabled.
* @return configured {@link com.hazelcast.client.config.ClientNetworkConfig} for chaining
*/
public ClientNetworkConfig setSmartRouting(boolean smartRouting) {
this.smartRouting = smartRouting;
return this;
}
/**
* @return socket interceptor config that will be called with the Socket,
* each time client creates a connection to any Member.
*/
public SocketInterceptorConfig getSocketInterceptorConfig() {
return socketInterceptorConfig;
}
/**
* @param socketInterceptorConfig will be called with the Socket,
* each time client creates a connection to any Member.
* @return configured {@link com.hazelcast.client.config.ClientNetworkConfig} for chaining
*/
public ClientNetworkConfig setSocketInterceptorConfig(SocketInterceptorConfig socketInterceptorConfig) {
this.socketInterceptorConfig = socketInterceptorConfig;
return this;
}
/**
* Period for the next attempt to find a member to connect.
*
* @return connection attempt period in millis
* @see {@link ClientNetworkConfig#connectionAttemptLimit}.
*/
public int getConnectionAttemptPeriod() {
return connectionAttemptPeriod;
}
/**
* Period for the next attempt to find a member to connect.
*
* @param connectionAttemptPeriod time to wait before another attempt in millis
* @return configured {@link com.hazelcast.client.config.ClientNetworkConfig} for chaining
*/
public ClientNetworkConfig setConnectionAttemptPeriod(int connectionAttemptPeriod) {
if (connectionAttemptPeriod < 0) {
throw new IllegalArgumentException("connectionAttemptPeriod cannot be negative");
}
this.connectionAttemptPeriod = connectionAttemptPeriod;
return this;
}
/**
* @return connection attempt Limit
* @see {@link com.hazelcast.client.config.ClientNetworkConfig#setConnectionAttemptLimit(int)} for details
*/
public int getConnectionAttemptLimit() {
return connectionAttemptLimit;
}
/**
* While client is trying to connect initially to one of the members in the {@link ClientNetworkConfig#addressList},
* all might be not available. Instead of giving up, throwing Exception and stopping client, it will
* attempt to retry as much as {@link ClientNetworkConfig#connectionAttemptLimit} times.
*
* @param connectionAttemptLimit number of times to attempt to connect
* A zero value means try forever.
* @return configured {@link com.hazelcast.client.config.ClientNetworkConfig} for chaining
*/
public ClientNetworkConfig setConnectionAttemptLimit(int connectionAttemptLimit) {
if (connectionAttemptLimit < 0) {
throw new IllegalArgumentException("connectionAttemptLimit cannot be negative");
}
this.connectionAttemptLimit = connectionAttemptLimit;
return this;
}
/**
* Timeout value in millis for nodes to accept client connection requests.
*
* @return connection timeout value in millis
*/
public int getConnectionTimeout() {
return connectionTimeout;
}
/**
* @param connectionTimeout Timeout value in millis for nodes to accept client connection requests.
* A zero value means wait until connection established or an error occurs.
* @return configured {@link com.hazelcast.client.config.ClientNetworkConfig} for chaining
*/
public ClientNetworkConfig setConnectionTimeout(int connectionTimeout) {
if (connectionTimeout < 0) {
throw new IllegalArgumentException("connectionTimeout cannot be negative");
}
this.connectionTimeout = connectionTimeout;
return this;
}
/**
* Adds given addresses to candidate address list that client will use to establish initial connection
*
* @param addresses to be added to initial address list
* @return configured {@link com.hazelcast.client.config.ClientNetworkConfig} for chaining
*/
public ClientNetworkConfig addAddress(String... addresses) {
Collections.addAll(addressList, addresses);
return this;
}
/**
* Adds given addresses to candidate address list that client will use to establish initial connection
*
* @param addresses to be added to initial address list
* @return configured {@link com.hazelcast.client.config.ClientNetworkConfig} for chaining
*/
// required for spring module
public ClientNetworkConfig setAddresses(List<String> addresses) {
addressList.clear();
addressList.addAll(addresses);
return this;
}
/**
* Returns the list of candidate addresses that client will use to establish initial connection
*
* @return list of addresses
*/
public List<String> getAddresses() {
if (addressList.size() == 0) {
addAddress("localhost");
}
return addressList;
}
/**
* @return true if redo operations are enabled
* @see {@link com.hazelcast.client.config.ClientNetworkConfig#setRedoOperation(boolean)} for details
*/
public boolean isRedoOperation() {
return redoOperation;
}
/**
* If true, client will redo the operations that were executing on the server and client lost the connection.
* This can be because of network, or simply because the member died. However it is not clear whether the
* application is performed or not. For idempotent operations this is harmless, but for non idempotent ones
* retrying can cause to undesirable effects. Note that the redo can perform on any member.
* <p/>
* If false, the operation will throw {@link RuntimeException} that is wrapping {@link java.io.IOException}.
* TODO clear what is the exception here
*
* @param redoOperation true if redo operations are enabled
* @return configured {@link com.hazelcast.client.config.ClientNetworkConfig} for chaining
*/
public ClientNetworkConfig setRedoOperation(boolean redoOperation) {
this.redoOperation = redoOperation;
return this;
}
/**
* @return TCP Socket options
*/
public SocketOptions getSocketOptions() {
return socketOptions;
}
/**
* @param socketOptions TCP Socket options
* @return configured {@link com.hazelcast.client.config.ClientNetworkConfig} for chaining
*/
public ClientNetworkConfig setSocketOptions(SocketOptions socketOptions) {
this.socketOptions = socketOptions;
return this;
}
/**
* Returns the current {@link SSLConfig}. It is possible that null is returned if no SSLConfig has been
* set.
*
* @return the SSLConfig.
* @see #setSSLConfig(SSLConfig)
*/
public SSLConfig getSSLConfig() {
return sslConfig;
}
/**
* Sets the {@link SSLConfig}. null value indicates that no SSLConfig should be used.
*
* @param sslConfig the SSLConfig.
* @return the updated ClientNetworkConfig.
* @see #getSSLConfig()
*/
public ClientNetworkConfig setSSLConfig(SSLConfig sslConfig) {
this.sslConfig = sslConfig;
return this;
}
/**
* Sets configuration to connect nodes in aws environment.
* null value indicates that no AwsConfig should be used.
*
* @param clientAwsConfig the ClientAwsConfig
* @see #getAwsConfig()
*/
public ClientNetworkConfig setAwsConfig(ClientAwsConfig clientAwsConfig) {
this.clientAwsConfig = clientAwsConfig;
return this;
}
/**
* Returns the current {@link ClientAwsConfig}. It is possible that null is returned if no SSLConfig has been
*
* @return ClientAwsConfig
* @see #setAwsConfig(ClientAwsConfig)
*/
public ClientAwsConfig getAwsConfig() {
return clientAwsConfig;
}
}