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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.flink.streaming.connectors.redis.common.config;
import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
import redis.clients.jedis.Protocol;
import java.util.Objects;
/**
* Configuration for Jedis pool.
*/
public class FlinkJedisPoolConfig extends FlinkJedisConfigBase {
private static final long serialVersionUID = 1L;
private final String host;
private final int port;
private final int database;
/**
* Jedis pool configuration.
* The host is mandatory, and when host is not set, it throws NullPointerException.
*
* @param host hostname or IP
* @param port port, default value is 6379
* @param connectionTimeout socket / connection timeout, default value is 2000 milli second
* @param password password, if any
* @param database database index
* @param maxTotal the maximum number of objects that can be allocated by the pool, default value is 8
* @param maxIdle the cap on the number of "idle" instances in the pool, default value is 8
* @param minIdle the minimum number of idle objects to maintain in the pool, default value is 0
* @param testOnBorrow Whether objects borrowed from the pool will be validated before being returned, default value is false
* @param testOnReturn Whether objects borrowed from the pool will be validated when they are returned to the pool, default value is false
* @param testWhileIdle Whether objects sitting idle in the pool will be validated by the idle object evictor, default value is false
* @throws NullPointerException if parameter {@code host} is {@code null}
*/
private FlinkJedisPoolConfig(String host, int port, int connectionTimeout, String password, int database,
int maxTotal, int maxIdle, int minIdle,
boolean testOnBorrow, boolean testOnReturn, boolean testWhileIdle) {
super(connectionTimeout, maxTotal, maxIdle, minIdle, password, testOnBorrow, testOnReturn, testWhileIdle);
Objects.requireNonNull(host, "Host information should be presented");
this.host = host;
this.port = port;
this.database = database;
}
/**
* Returns host.
*
* @return hostname or IP
*/
public String getHost() {
return host;
}
/**
* Returns port.
*
* @return port
*/
public int getPort() {
return port;
}
/**
* Returns database index.
*
* @return database index
*/
public int getDatabase() {
return database;
}
/**
* Builder for initializing {@link FlinkJedisPoolConfig}.
*/
public static class Builder {
private String host;
private int port = Protocol.DEFAULT_PORT;
private int timeout = Protocol.DEFAULT_TIMEOUT;
private int database = Protocol.DEFAULT_DATABASE;
private String password;
private int maxTotal = GenericObjectPoolConfig.DEFAULT_MAX_TOTAL;
private int maxIdle = GenericObjectPoolConfig.DEFAULT_MAX_IDLE;
private int minIdle = GenericObjectPoolConfig.DEFAULT_MIN_IDLE;
private boolean testOnBorrow = GenericObjectPoolConfig.DEFAULT_TEST_ON_BORROW;
private boolean testOnReturn = GenericObjectPoolConfig.DEFAULT_TEST_ON_RETURN;
private boolean testWhileIdle = GenericObjectPoolConfig.DEFAULT_TEST_WHILE_IDLE;
/**
* Sets value for the {@code maxTotal} configuration attribute
* for pools to be created with this configuration instance.
*
* @param maxTotal maxTotal the maximum number of objects that can be allocated by the pool, default value is 8
* @return Builder itself
*/
public Builder setMaxTotal(int maxTotal) {
this.maxTotal = maxTotal;
return this;
}
/**
* Sets value for the {@code maxIdle} configuration attribute
* for pools to be created with this configuration instance.
*
* @param maxIdle the cap on the number of "idle" instances in the pool, default value is 8
* @return Builder itself
*/
public Builder setMaxIdle(int maxIdle) {
this.maxIdle = maxIdle;
return this;
}
/**
* Sets value for the {@code minIdle} configuration attribute
* for pools to be created with this configuration instance.
*
* @param minIdle the minimum number of idle objects to maintain in the pool, default value is 0
* @return Builder itself
*/
public Builder setMinIdle(int minIdle) {
this.minIdle = minIdle;
return this;
}
/**
* Sets host.
*
* @param host host
* @return Builder itself
*/
public Builder setHost(String host) {
this.host = host;
return this;
}
/**
* Sets port.
*
* @param port port, default value is 6379
* @return Builder itself
*/
public Builder setPort(int port) {
this.port = port;
return this;
}
/**
* Sets timeout.
*
* @param timeout timeout, default value is 2000
* @return Builder itself
*/
public Builder setTimeout(int timeout) {
this.timeout = timeout;
return this;
}
/**
* Sets database index.
*
* @param database database index, default value is 0
* @return Builder itself
*/
public Builder setDatabase(int database) {
this.database = database;
return this;
}
/**
* Sets password.
*
* @param password password, if any
* @return Builder itself
*/
public Builder setPassword(String password) {
this.password = password;
return this;
}
/**
* Sets value for the {@code testOnBorrow} configuration attribute
* for pools to be created with this configuration instance.
*
* @param testOnBorrow Whether objects borrowed from the pool will be validated before being returned
* @return Builder itself
*/
public Builder setTestOnBorrow(boolean testOnBorrow) {
this.testOnBorrow = testOnBorrow;
return this;
}
/**
* Sets value for the {@code testOnReturn} configuration attribute
* for pools to be created with this configuration instance.
*
* @param testOnReturn Whether objects borrowed from the pool will be validated when they are returned to the pool
* @return Builder itself
*/
public Builder setTestOnReturn(boolean testOnReturn) {
this.testOnReturn = testOnReturn;
return this;
}
/**
* Sets value for the {@code testWhileIdle} configuration attribute
* for pools to be created with this configuration instance.
*
* Setting this to true will also set default idle-testing parameters provided in Jedis
* @see redis.clients.jedis.JedisPoolConfig
*
* @param testWhileIdle Whether objects sitting idle in the pool will be validated by the idle object evictor
* @return Builder itself
*/
public Builder setTestWhileIdle(boolean testWhileIdle) {
this.testWhileIdle = testWhileIdle;
return this;
}
/**
* Builds JedisPoolConfig.
*
* @return JedisPoolConfig
*/
public FlinkJedisPoolConfig build() {
return new FlinkJedisPoolConfig(host, port, timeout, password, database, maxTotal, maxIdle, minIdle, testOnBorrow, testOnReturn, testWhileIdle);
}
}
@Override
public String toString() {
return "FlinkJedisPoolConfig{" +
"host=" + host +
", port=" + port +
", database=" + database +
", maxTotal=" + maxTotal +
", maxIdle=" + maxIdle +
", minIdle=" + minIdle +
", connectionTimeout=" +
", password=" + password +
", testOnBorrow=" + testOnBorrow +
", testOnReturn=" + testOnReturn +
", testWhileIdle=" + testWhileIdle +
'}';
}
}
