001: /*
002: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003: *
004: * This file is part of Resin(R) Open Source
005: *
006: * Each copy or derived work must preserve the copyright notice and this
007: * notice unmodified.
008: *
009: * Resin Open Source is free software; you can redistribute it and/or modify
010: * it under the terms of the GNU General Public License as published by
011: * the Free Software Foundation; either version 2 of the License, or
012: * (at your option) any later version.
013: *
014: * Resin Open Source is distributed in the hope that it will be useful,
015: * but WITHOUT ANY WARRANTY; without even the implied warranty of
016: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017: * of NON-INFRINGEMENT. See the GNU General Public License for more
018: * details.
019: *
020: * You should have received a copy of the GNU General Public License
021: * along with Resin Open Source; if not, write to the
022: * Free SoftwareFoundation, Inc.
023: * 59 Temple Place, Suite 330
024: * Boston, MA 02111-1307 USA
025: *
026: * @author Scott Ferguson
027: */
028:
029: package com.caucho.server.cluster;
030:
031: import com.caucho.loader.EnvironmentLocal;
032: import com.caucho.log.Log;
033:
034: import java.util.ArrayList;
035: import java.util.logging.Logger;
036:
037: /**
038: * Container of clusters.
039: */
040: public class ClusterContainer {
041: static protected final Logger log = Log
042: .open(ClusterContainer.class);
043:
044: static final EnvironmentLocal<ClusterContainer> _clusterContainerLocal = new EnvironmentLocal<ClusterContainer>(
045: "caucho.cluster.container");
046:
047: private ClusterContainer _parent;
048:
049: private ArrayList<Cluster> _clusterList = new ArrayList<Cluster>();
050:
051: private ClusterContainer() {
052: }
053:
054: /**
055: * Creates the cluster for the current level.
056: */
057: public static ClusterContainer create() {
058: ClusterContainer container = _clusterContainerLocal.getLevel();
059:
060: if (container == null) {
061: container = new ClusterContainer();
062: ClusterContainer parent = _clusterContainerLocal.get();
063:
064: container.setParent(parent);
065: _clusterContainerLocal.set(container);
066: }
067:
068: return container;
069: }
070:
071: /**
072: * Creates the cluster for the current level.
073: */
074: public static ClusterContainer getLocal() {
075: return _clusterContainerLocal.get();
076: }
077:
078: /**
079: * Creates the cluster for the current level.
080: */
081: public static ClusterContainer getLocal(ClassLoader loader) {
082: return _clusterContainerLocal.get(loader);
083: }
084:
085: /**
086: * Sets the parent container.
087: */
088: private void setParent(ClusterContainer parent) {
089: _parent = parent;
090: }
091:
092: /**
093: * Gets the parent container.
094: */
095: private ClusterContainer getParent() {
096: return _parent;
097: }
098:
099: /**
100: * Adds a cluster.
101: */
102: public void addCluster(Cluster cluster) {
103: _clusterList.add(cluster);
104: }
105:
106: /**
107: * Returns the cluster list.
108: */
109: public ArrayList<Cluster> getClusterList() {
110: return _clusterList;
111: }
112:
113: /**
114: * Finds the named cluster.
115: */
116: public Cluster findCluster(String id) {
117: for (int i = 0; i < _clusterList.size(); i++) {
118: Cluster cluster = _clusterList.get(i);
119:
120: if (id.equals(cluster.getId()))
121: return cluster;
122: }
123:
124: if (_parent != null)
125: return _parent.findCluster(id);
126: else
127: return null;
128: }
129:
130: /**
131: * Returns the matching ports.
132: */
133: public ArrayList<ClusterPort> getServerPorts(String serverId) {
134: ArrayList<ClusterPort> ports = new ArrayList<ClusterPort>();
135:
136: for (int i = 0; i < _clusterList.size(); i++) {
137: Cluster cluster = _clusterList.get(i);
138:
139: ports.addAll(cluster.getServerPorts(serverId));
140: }
141:
142: return ports;
143: }
144:
145: public String toString() {
146: return ("ClusterContainer[]");
147: }
148: }
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