io.undertow.util.NewInstanceObjectPool Maven / Gradle / Ivy
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* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 io.undertow.util;
import java.util.function.Consumer;
import java.util.function.Supplier;
import io.undertow.UndertowMessages;
/**
* @author ckozak
* @author Stuart Douglas
*/
public class NewInstanceObjectPool implements ObjectPool {
private final Supplier supplier;
private final Consumer consumer;
public NewInstanceObjectPool(Supplier supplier, Consumer consumer) {
this.supplier = supplier;
this.consumer = consumer;
}
@Override
public PooledObject allocate() {
final T obj = supplier.get();
return new PooledObject() {
private volatile boolean closed = false;
@Override
public T getObject() {
if(closed) {
throw UndertowMessages.MESSAGES.objectIsClosed();
}
return obj;
}
@Override
public void close() {
closed = true;
consumer.accept(obj);
}
};
}
}