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/*
 * Copyright (c) 2001-2017, Zoltan Farkas All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Additionally licensed with:
 *
 * 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 org.spf4j.concurrent;

import static org.spf4j.concurrent.RejectedExecutionHandler.REJECT_EXCEPTION_EXEC_HANDLER;

/**
 *
 * @author zoly
 */
//CHECKSTYLE IGNORE HiddenField FOR NEXT 2000 LINES
public final class LifoThreadPoolBuilder {

  private String poolName;
  private int coreSize;
  private int maxSize;
  private int maxIdleTimeMillis;
  private int queueSizeLimit;
  private boolean daemonThreads;
  private int spinLockCount;
  private RejectedExecutionHandler rejectionHandler;
  private int threadPriority;
  private boolean mutable;
  private boolean jmxEnabled;

  private LifoThreadPoolBuilder() {
    poolName = "Lifo Pool";
    rejectionHandler = REJECT_EXCEPTION_EXEC_HANDLER;
    coreSize = 0;
    maxSize = Short.MAX_VALUE;
    maxIdleTimeMillis = 60000;
    queueSizeLimit = 0;
    daemonThreads = false;
    spinLockCount = 100;
    threadPriority = Thread.NORM_PRIORITY;
    mutable = false;
    jmxEnabled = false;
  }

  public static LifoThreadPoolBuilder newBuilder() {
    return new LifoThreadPoolBuilder();
  }

  public LifoThreadPoolBuilder withPoolName(final String poolName) {
    this.poolName = poolName;
    return this;
  }

  public LifoThreadPoolBuilder withCoreSize(final int coreSize) {
    this.coreSize = coreSize;
    return this;
  }

  public LifoThreadPoolBuilder withMaxSize(final int maxSize) {
    this.maxSize = maxSize;
    return this;
  }

  public LifoThreadPoolBuilder withMaxIdleTimeMillis(final int maxIdleTimeMillis) {
    this.maxIdleTimeMillis = maxIdleTimeMillis;
    return this;
  }

  public LifoThreadPoolBuilder withQueueSizeLimit(final int queueSizeLimit) {
    this.queueSizeLimit = queueSizeLimit;
    return this;
  }

  public LifoThreadPoolBuilder withDaemonThreads(final boolean daemonThreads) {
    this.daemonThreads = daemonThreads;
    return this;
  }

  public LifoThreadPoolBuilder withSpinLockCount(final int spinLockCount) {
    this.spinLockCount = spinLockCount;
    return this;
  }

  public LifoThreadPoolBuilder withRejectionHandler(final RejectedExecutionHandler rejectionHandler) {
    this.rejectionHandler = rejectionHandler;
    return this;
  }

  public LifoThreadPoolBuilder withThreadPriority(final int threadPriority) {
    this.threadPriority = threadPriority;
    return this;
  }

  public LifoThreadPoolBuilder mutable() {
    this.mutable = true;
    return this;
  }

  public LifoThreadPoolBuilder enableJmx() {
    this.jmxEnabled = true;
    return this;
  }

  public LifoThreadPool build() {
    return buildMutable();
  }

  public MutableLifoThreadPool buildMutable() {
    MutableLifoThreadPool result = new LifoThreadPoolExecutorSQP(poolName, coreSize, maxSize, maxIdleTimeMillis,
            queueSizeLimit, daemonThreads, rejectionHandler, threadPriority);
    if (jmxEnabled) {
      result.exportJmx();
    }
    return result;
  }

  @Override
  public String toString() {
    return "LifoThreadPoolBuilder{" + "poolName=" + poolName + ", coreSize=" + coreSize + ", maxSize="
            + maxSize + ", maxIdleTimeMillis=" + maxIdleTimeMillis + ", queueSizeLimit=" + queueSizeLimit
            + ", daemonThreads=" + daemonThreads + ", spinLockCount=" + spinLockCount + ", rejectionHandler="
            + rejectionHandler + ", threadPriority=" + threadPriority + ", mutable=" + mutable + ", jmxEnabled="
            + jmxEnabled + '}';
  }

}