org.kurento.tree.server.kms.Pipeline Maven / Gradle / Ivy

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/*
 * (C) Copyright 2016 Kurento (http://kurento.org/)
 *
 * 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.kurento.tree.server.kms;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.kurento.tree.server.app.TreeElementSession;

import com.google.common.collect.Iterables;

public class Pipeline extends KurentoObj {

  protected Kms kms;
  protected List webRtcs = new ArrayList<>();
  protected List plumbers = new ArrayList<>();

  public Pipeline(Kms kms) {
    this.kms = kms;
  }

  public Kms getKms() {
    return kms;
  }

  public WebRtc createWebRtc(TreeElementSession session) {

    checkReleased();

    WebRtc webRtc = newWebRtc(session);
    webRtcs.add(webRtc);
    return webRtc;
  }

  public Plumber createPlumber() {

    checkReleased();

    Plumber plumber = newPlumber();
    plumbers.add(plumber);
    return plumber;
  }

  public List getWebRtcs() {

    checkReleased();

    return webRtcs;
  }

  public List getPlumbers() {

    checkReleased();

    return plumbers;
  }

  public Iterable getElements() {

    checkReleased();

    return Iterables.concat(webRtcs, plumbers);
  }

  public Plumber[] link(Pipeline sinkPipeline) {

    checkReleased();

    Plumber sourcePipelinePlumber = this.createPlumber();
    Plumber sinkPipelinePlumber = sinkPipeline.createPlumber();

    sourcePipelinePlumber.link(sinkPipelinePlumber);

    return new Plumber[] { sourcePipelinePlumber, sinkPipelinePlumber };
  }

  protected WebRtc newWebRtc(TreeElementSession session) {

    checkReleased();

    return new WebRtc(this);
  }

  protected Plumber newPlumber() {

    checkReleased();

    return new Plumber(this);
  }

  void removeElement(Element element) {

    checkReleased();

    this.webRtcs.remove(element);
    this.plumbers.remove(element);
  }

  @Override
  public String toString() {
    return "[webRtcs=" + webRtcs.size() + ", plumbers=" + plumbers.size() + "]";
  }

  @Override
  public void release() {

    Iterator it = getElements().iterator();
    while (it.hasNext()) {
      Element element = it.next();
      it.remove();
      element.release();
    }

    this.getKms().removePipeline(this);

    super.release();
  }

}