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Liferay Petra JSON Web Service Client
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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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*
*/
package org.apache.http.nio.pool;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.http.concurrent.BasicFuture;
import org.apache.http.concurrent.Cancellable;
import org.apache.http.nio.reactor.SessionRequest;
import org.apache.http.pool.PoolEntry;
import org.apache.http.util.Asserts;
class LeaseRequest> implements Cancellable {
private final T route;
private final Object state;
private final long connectTimeout;
private final long deadline;
private final BasicFuture future;
private final AtomicReference sessionRequestRef;
private final AtomicBoolean completed;
private volatile E result;
private volatile Exception ex;
/**
* Contructor
* @param route route
* @param state state
* @param connectTimeout http connection timeout
* @param leaseTimeout timeout to wait in a request queue until kicked off
* @param future future callback
*/
public LeaseRequest(
final T route,
final Object state,
final long connectTimeout,
final long leaseTimeout,
final BasicFuture future) {
super();
this.route = route;
this.state = state;
this.connectTimeout = connectTimeout;
this.deadline = leaseTimeout > 0 ? System.currentTimeMillis() + leaseTimeout : Long.MAX_VALUE;
this.future = future;
this.sessionRequestRef = new AtomicReference(null);
this.completed = new AtomicBoolean(false);
}
public T getRoute() {
return this.route;
}
public Object getState() {
return this.state;
}
public long getConnectTimeout() {
return this.connectTimeout;
}
public long getDeadline() {
return this.deadline;
}
public boolean isDone() {
return this.completed.get();
}
public void attachSessionRequest(final SessionRequest sessionRequest) {
Asserts.check(this.sessionRequestRef.compareAndSet(null, sessionRequest), "Session request has already been set");
}
@Override
public boolean cancel() {
final boolean cancelled = this.completed.compareAndSet(false, true);
final SessionRequest sessionRequest = this.sessionRequestRef.getAndSet(null);
if (sessionRequest != null) {
sessionRequest.cancel();
}
return cancelled;
}
public void failed(final Exception ex) {
if (this.completed.compareAndSet(false, true)) {
this.ex = ex;
}
}
public void completed(final E result) {
if (this.completed.compareAndSet(false, true)) {
this.result = result;
}
}
public BasicFuture getFuture() {
return this.future;
}
public E getResult() {
return this.result;
}
public Exception getException() {
return this.ex;
}
@Override
public String toString() {
final StringBuilder buffer = new StringBuilder();
buffer.append("[");
buffer.append(this.route);
buffer.append("][");
buffer.append(this.state);
buffer.append("]");
return buffer.toString();
}
}
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