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Apache Commons Object Pooling Library
/*
* 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.commons.pool2.impl;
/**
* A simple "struct" encapsulating the configuration for a
* {@link GenericKeyedObjectPool}.
*
*
* This class is not thread-safe; it is only intended to be used to provide
* attributes used when creating a pool.
*
*
* @param Type of element pooled.
* @since 2.0
*/
public class GenericKeyedObjectPoolConfig extends BaseObjectPoolConfig {
/**
* The default value for the {@code maxTotalPerKey} configuration attribute.
* @see GenericKeyedObjectPool#getMaxTotalPerKey()
*/
public static final int DEFAULT_MAX_TOTAL_PER_KEY = 8;
/**
* The default value for the {@code maxTotal} configuration attribute.
* @see GenericKeyedObjectPool#getMaxTotal()
*/
public static final int DEFAULT_MAX_TOTAL = -1;
/**
* The default value for the {@code minIdlePerKey} configuration attribute.
* @see GenericKeyedObjectPool#getMinIdlePerKey()
*/
public static final int DEFAULT_MIN_IDLE_PER_KEY = 0;
/**
* The default value for the {@code maxIdlePerKey} configuration attribute.
* @see GenericKeyedObjectPool#getMaxIdlePerKey()
*/
public static final int DEFAULT_MAX_IDLE_PER_KEY = 8;
private int minIdlePerKey = DEFAULT_MIN_IDLE_PER_KEY;
private int maxIdlePerKey = DEFAULT_MAX_IDLE_PER_KEY;
private int maxTotalPerKey = DEFAULT_MAX_TOTAL_PER_KEY;
private int maxTotal = DEFAULT_MAX_TOTAL;
/**
* Create a new configuration with default settings.
*/
public GenericKeyedObjectPoolConfig() {
}
@SuppressWarnings("unchecked")
@Override
public GenericKeyedObjectPoolConfig clone() {
try {
return (GenericKeyedObjectPoolConfig) super.clone();
} catch (final CloneNotSupportedException e) {
throw new AssertionError(); // Can't happen
}
}
/**
* Get the value for the {@code maxIdlePerKey} configuration attribute
* for pools created with this configuration instance.
*
* @return The current setting of {@code maxIdlePerKey} for this
* configuration instance
*
* @see GenericKeyedObjectPool#getMaxIdlePerKey()
*/
public int getMaxIdlePerKey() {
return maxIdlePerKey;
}
/**
* Get the value for the {@code maxTotal} configuration attribute
* for pools created with this configuration instance.
*
* @return The current setting of {@code maxTotal} for this
* configuration instance
*
* @see GenericKeyedObjectPool#getMaxTotal()
*/
public int getMaxTotal() {
return maxTotal;
}
/**
* Get the value for the {@code maxTotalPerKey} configuration attribute
* for pools created with this configuration instance.
*
* @return The current setting of {@code maxTotalPerKey} for this
* configuration instance
*
* @see GenericKeyedObjectPool#getMaxTotalPerKey()
*/
public int getMaxTotalPerKey() {
return maxTotalPerKey;
}
/**
* Get the value for the {@code minIdlePerKey} configuration attribute
* for pools created with this configuration instance.
*
* @return The current setting of {@code minIdlePerKey} for this
* configuration instance
*
* @see GenericKeyedObjectPool#getMinIdlePerKey()
*/
public int getMinIdlePerKey() {
return minIdlePerKey;
}
/**
* Set the value for the {@code maxIdlePerKey} configuration attribute for
* pools created with this configuration instance.
*
* @param maxIdlePerKey The new setting of {@code maxIdlePerKey}
* for this configuration instance
*
* @see GenericKeyedObjectPool#setMaxIdlePerKey(int)
*/
public void setMaxIdlePerKey(final int maxIdlePerKey) {
this.maxIdlePerKey = maxIdlePerKey;
}
/**
* Set the value for the {@code maxTotal} configuration attribute for
* pools created with this configuration instance.
*
* @param maxTotal The new setting of {@code maxTotal}
* for this configuration instance
*
* @see GenericKeyedObjectPool#setMaxTotal(int)
*/
public void setMaxTotal(final int maxTotal) {
this.maxTotal = maxTotal;
}
/**
* Set the value for the {@code maxTotalPerKey} configuration attribute for
* pools created with this configuration instance.
*
* @param maxTotalPerKey The new setting of {@code maxTotalPerKey}
* for this configuration instance
*
* @see GenericKeyedObjectPool#setMaxTotalPerKey(int)
*/
public void setMaxTotalPerKey(final int maxTotalPerKey) {
this.maxTotalPerKey = maxTotalPerKey;
}
/**
* Set the value for the {@code minIdlePerKey} configuration attribute for
* pools created with this configuration instance.
*
* @param minIdlePerKey The new setting of {@code minIdlePerKey}
* for this configuration instance
*
* @see GenericKeyedObjectPool#setMinIdlePerKey(int)
*/
public void setMinIdlePerKey(final int minIdlePerKey) {
this.minIdlePerKey = minIdlePerKey;
}
@Override
protected void toStringAppendFields(final StringBuilder builder) {
super.toStringAppendFields(builder);
builder.append(", minIdlePerKey=");
builder.append(minIdlePerKey);
builder.append(", maxIdlePerKey=");
builder.append(maxIdlePerKey);
builder.append(", maxTotalPerKey=");
builder.append(maxTotalPerKey);
builder.append(", maxTotal=");
builder.append(maxTotal);
}
}