001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.modules.cnd.modelimpl.csm.core;
043:
044: import java.io.DataInput;
045: import java.io.DataOutput;
046: import java.io.IOException;
047: import org.netbeans.modules.cnd.modelimpl.debug.TraceFlags;
048: import org.netbeans.modules.cnd.modelimpl.repository.RepositoryUtils;
049: import org.netbeans.modules.cnd.repository.spi.Key;
050: import org.netbeans.modules.cnd.repository.spi.Persistent;
051: import org.netbeans.modules.cnd.repository.support.KeyFactory;
052: import org.netbeans.modules.cnd.repository.support.SelfPersistent;
053:
054: /**
055: * A common ancestor for project components that
056: * 1) has key (most likely a project-based one);
057: * 2) are able to put themselves into repository.
058: *
059: * It similar to Identifiable, but doesn't involve UIDs:
060: * UIDs are unnecessary for such internal components as different project parts.
061: *
062: * @author Vladimir Kvashin
063: */
064:
065: //package-local
066: abstract class ProjectComponent implements Persistent, SelfPersistent {
067:
068: private Key key;
069:
070: public ProjectComponent(Key key) {
071: this .key = key;
072: }
073:
074: public ProjectComponent(DataInput in) throws IOException {
075: key = KeyFactory.getDefaultFactory().readKey(in);
076: if (TraceFlags.TRACE_PROJECT_COMPONENT_RW)
077: System.err.printf(
078: "< ProjectComponent: Reading %s key %s\n", this ,
079: key);
080: }
081:
082: public Key getKey() {
083: return key;
084: }
085:
086: public void put() {
087: if (TraceFlags.TRACE_PROJECT_COMPONENT_RW)
088: System.err.printf(
089: "> ProjectComponent: Hanging %s by key %s\n", this ,
090: key);
091: RepositoryUtils.hang(key, this );
092: }
093:
094: private void putImpl() {
095: if (TraceFlags.TRACE_PROJECT_COMPONENT_RW)
096: System.err.printf(
097: "> ProjectComponent: Putting %s by key %s\n", this ,
098: key);
099: RepositoryUtils.put(key, this );
100: }
101:
102: public void write(DataOutput out) throws IOException {
103: if (TraceFlags.TRACE_PROJECT_COMPONENT_RW)
104: System.err.printf(
105: "> ProjectComponent: Writing %s by key %s\n", this ,
106: key);
107: writeKey(key, out);
108: }
109:
110: public static Key readKey(DataInput in) throws IOException {
111: return KeyFactory.getDefaultFactory().readKey(in);
112: }
113:
114: public static void writeKey(Key key, DataOutput out)
115: throws IOException {
116: KeyFactory.getDefaultFactory().writeKey(key, out);
117: }
118:
119: public static void setStable(Key key) {
120: Persistent p = RepositoryUtils.tryGet(key);
121: if (p != null) {
122: assert p instanceof ProjectComponent;
123: ProjectComponent pc = (ProjectComponent) p;
124: pc.putImpl();
125: }
126: }
127: }
|