Source Code Cross Referenced for BroadcastTransactionMessageImpl.java in  » Net » Terracotta » com » tc » object » msg » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » Terracotta » com.tc.object.msg 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * All content copyright (c) 2003-2006 Terracotta, Inc., except as may otherwise be noted in a separate copyright
003:         * notice. All rights reserved.
004:         */
005:        package com.tc.object.msg;
006:
007:        import com.tc.bytes.TCByteBuffer;
008:        import com.tc.io.TCByteBufferInput;
009:        import com.tc.io.TCByteBufferOutput;
010:        import com.tc.io.TCSerializable;
011:        import com.tc.net.groups.NodeID;
012:        import com.tc.net.groups.NodeIDSerializer;
013:        import com.tc.net.protocol.tcm.MessageChannel;
014:        import com.tc.net.protocol.tcm.MessageMonitor;
015:        import com.tc.net.protocol.tcm.TCMessageHeader;
016:        import com.tc.net.protocol.tcm.TCMessageType;
017:        import com.tc.object.ObjectID;
018:        import com.tc.object.dmi.DmiDescriptor;
019:        import com.tc.object.dna.api.DNA;
020:        import com.tc.object.dna.impl.DNAImpl;
021:        import com.tc.object.dna.impl.ObjectStringSerializer;
022:        import com.tc.object.dna.impl.VersionizedDNAWrapper;
023:        import com.tc.object.gtx.GlobalTransactionID;
024:        import com.tc.object.lockmanager.api.LockContext;
025:        import com.tc.object.lockmanager.api.LockID;
026:        import com.tc.object.session.SessionID;
027:        import com.tc.object.tx.TransactionID;
028:        import com.tc.object.tx.TxnType;
029:        import com.tc.util.Assert;
030:
031:        import java.io.IOException;
032:        import java.util.ArrayList;
033:        import java.util.Arrays;
034:        import java.util.Collection;
035:        import java.util.HashMap;
036:        import java.util.HashSet;
037:        import java.util.Iterator;
038:        import java.util.LinkedList;
039:        import java.util.List;
040:        import java.util.Map;
041:        import java.util.Set;
042:
043:        /**
044:         * @author steve
045:         */
046:        public class BroadcastTransactionMessageImpl extends DSOMessageBase
047:                implements  BroadcastTransactionMessage {
048:            private final static byte DNA_ID = 1;
049:            private final static byte LOCK_ID = 2;
050:            private final static byte CHANGE_ID = 3;
051:            private final static byte TRANSACTION_ID = 4;
052:            private final static byte COMMITTER_ID = 5;
053:            private final static byte TRANSACTION_TYPE_ID = 6;
054:            private final static byte GLOBAL_TRANSACTION_ID = 7;
055:            private final static byte LOW_WATERMARK = 8;
056:            private final static byte SERIALIZER_ID = 9;
057:            private final static byte NOTIFIED = 10;
058:            private final static byte LOOKUP_OBJECT_IDS = 11;
059:            private final static byte ROOT_NAME_ID_PAIR = 12;
060:            private final static byte DMI_ID = 13;
061:
062:            private List changes = new LinkedList();
063:            private List dmis = new LinkedList();
064:            private Set lookupObjectIDs = new HashSet();
065:            private Collection notifies = new LinkedList();
066:            private Map newRoots = new HashMap();
067:            private List lockIDs;
068:
069:            private long changeID;
070:            private TransactionID transactionID;
071:            private NodeID committerID;
072:            private TxnType transactionType;
073:            private GlobalTransactionID globalTransactionID;
074:            private GlobalTransactionID lowWatermark;
075:            private ObjectStringSerializer serializer;
076:
077:            public BroadcastTransactionMessageImpl(SessionID sessionID,
078:                    MessageMonitor monitor, TCByteBufferOutput out,
079:                    MessageChannel channel, TCMessageType type) {
080:                super (sessionID, monitor, out, channel, type);
081:            }
082:
083:            public BroadcastTransactionMessageImpl(SessionID sessionID,
084:                    MessageMonitor monitor, MessageChannel channel,
085:                    TCMessageHeader header, TCByteBuffer[] data) {
086:                super (sessionID, monitor, channel, header, data);
087:            }
088:
089:            protected void dehydrateValues() {
090:                putNVPair(TRANSACTION_TYPE_ID, transactionType.getType());
091:                for (Iterator i = lockIDs.iterator(); i.hasNext();) {
092:                    LockID lockID = (LockID) i.next();
093:                    putNVPair(LOCK_ID, lockID.asString());
094:                }
095:
096:                for (Iterator i = notifies.iterator(); i.hasNext();) {
097:                    LockContext notified = (LockContext) i.next();
098:                    putNVPair(NOTIFIED, notified);
099:                }
100:
101:                putNVPair(SERIALIZER_ID, serializer);
102:
103:                putNVPair(CHANGE_ID, changeID);
104:                putNVPair(TRANSACTION_ID, transactionID.toLong());
105:                putNVPair(COMMITTER_ID, new NodeIDSerializer(committerID));
106:                putNVPair(GLOBAL_TRANSACTION_ID, globalTransactionID.toLong());
107:                putNVPair(LOW_WATERMARK, lowWatermark.toLong());
108:
109:                for (Iterator i = changes.iterator(); i.hasNext();) {
110:                    DNAImpl dna = (DNAImpl) i.next();
111:                    putNVPair(DNA_ID, dna);
112:                }
113:                for (Iterator i = lookupObjectIDs.iterator(); i.hasNext();) {
114:                    ObjectID oid = (ObjectID) i.next();
115:                    putNVPair(LOOKUP_OBJECT_IDS, oid.toLong());
116:                }
117:                for (Iterator i = newRoots.keySet().iterator(); i.hasNext();) {
118:                    String key = (String) i.next();
119:                    ObjectID value = (ObjectID) newRoots.get(key);
120:                    putNVPair(ROOT_NAME_ID_PAIR, new RootIDPair(key, value));
121:                }
122:                for (Iterator i = dmis.iterator(); i.hasNext();) {
123:                    DmiDescriptor dd = (DmiDescriptor) i.next();
124:                    putNVPair(DMI_ID, dd);
125:                }
126:            }
127:
128:            protected boolean hydrateValue(byte name) throws IOException {
129:                switch (name) {
130:                case TRANSACTION_TYPE_ID:
131:                    this .transactionType = TxnType.typeFor(getByteValue());
132:                    return true;
133:                case DNA_ID:
134:                    this .changes.add(getObject(new DNAImpl(serializer, false)));
135:                    return true;
136:                case SERIALIZER_ID:
137:                    this .serializer = (ObjectStringSerializer) getObject(new ObjectStringSerializer());
138:                    return true;
139:                case LOCK_ID:
140:                    if (lockIDs == null) {
141:                        lockIDs = new LinkedList();
142:                    }
143:                    this .lockIDs.add(new LockID(getStringValue()));
144:                    return true;
145:                case NOTIFIED:
146:                    this .notifies.add(this .getObject(new LockContext()));
147:                    return true;
148:                case CHANGE_ID:
149:                    this .changeID = getLongValue();
150:                    return true;
151:                case TRANSACTION_ID:
152:                    this .transactionID = new TransactionID(getLongValue());
153:                    return true;
154:                case COMMITTER_ID:
155:                    this .committerID = ((NodeIDSerializer) getObject(new NodeIDSerializer()))
156:                            .getNodeID();
157:                    return true;
158:                case GLOBAL_TRANSACTION_ID:
159:                    this .globalTransactionID = new GlobalTransactionID(
160:                            getLongValue());
161:                    return true;
162:                case LOW_WATERMARK:
163:                    this .lowWatermark = new GlobalTransactionID(getLongValue());
164:                    return true;
165:                case LOOKUP_OBJECT_IDS:
166:                    this .lookupObjectIDs.add(new ObjectID(getLongValue()));
167:                    return true;
168:                case ROOT_NAME_ID_PAIR:
169:                    RootIDPair rootIDPair = (RootIDPair) getObject(new RootIDPair());
170:                    this .newRoots.put(rootIDPair.getRootName(), rootIDPair
171:                            .getRootID());
172:                    return true;
173:                case DMI_ID:
174:                    DmiDescriptor dd = (DmiDescriptor) getObject(new DmiDescriptor());
175:                    dmis.add(dd);
176:                    return true;
177:                default:
178:                    return false;
179:                }
180:            }
181:
182:            public void initialize(List chges, Set objectIDs,
183:                    ObjectStringSerializer aSerializer, LockID[] lids,
184:                    long cid, TransactionID txID, NodeID client,
185:                    GlobalTransactionID gtx, TxnType txnType,
186:                    GlobalTransactionID lowGlobalTransactionIDWatermark,
187:                    Collection theNotifies, Map roots, DmiDescriptor[] dmiDescs) {
188:                Assert.eval(lids.length > 0);
189:                Assert.assertNotNull(txnType);
190:
191:                this .changes = chges;
192:                this .lockIDs = Arrays.asList(lids);
193:                this .changeID = cid;
194:                this .transactionID = txID;
195:                this .committerID = client;
196:                this .transactionType = txnType;
197:                this .globalTransactionID = gtx;
198:                this .lowWatermark = lowGlobalTransactionIDWatermark;
199:                this .serializer = aSerializer;
200:                this .notifies.addAll(theNotifies);
201:                this .lookupObjectIDs.addAll(objectIDs);
202:                this .newRoots.putAll(roots);
203:                for (int i = 0; i < dmiDescs.length; i++) {
204:                    this .dmis.add(dmiDescs[i]);
205:                }
206:            }
207:
208:            public List getLockIDs() {
209:                return lockIDs;
210:            }
211:
212:            public TxnType getTransactionType() {
213:                return transactionType;
214:            }
215:
216:            public Collection getObjectChanges() {
217:                Collection versionizedChanges = new ArrayList(changes.size());
218:                for (Iterator iter = changes.iterator(); iter.hasNext();) {
219:                    versionizedChanges.add(new VersionizedDNAWrapper((DNA) iter
220:                            .next(), globalTransactionID.toLong()));
221:
222:                }
223:                return versionizedChanges;
224:            }
225:
226:            public Set getLookupObjectIDs() {
227:                return lookupObjectIDs;
228:            }
229:
230:            public long getChangeID() {
231:                return changeID;
232:            }
233:
234:            public TransactionID getTransactionID() {
235:                return transactionID;
236:            }
237:
238:            public NodeID getCommitterID() {
239:                return committerID;
240:            }
241:
242:            public GlobalTransactionID getGlobalTransactionID() {
243:                return this .globalTransactionID;
244:            }
245:
246:            public GlobalTransactionID getLowGlobalTransactionIDWatermark() {
247:                Assert.assertNotNull(this .lowWatermark);
248:                return this .lowWatermark;
249:            }
250:
251:            public Collection addNotifiesTo(List c) {
252:                c.addAll(notifies);
253:                return c;
254:            }
255:
256:            public void doRecycleOnRead() {
257:                // dont recycle yet
258:            }
259:
260:            protected boolean isOutputStreamRecycled() {
261:                return true;
262:            }
263:
264:            public void doRecycleOnWrite() {
265:                // recycle only those buffers created for this message
266:                recycleOutputStream();
267:            }
268:
269:            public Map getNewRoots() {
270:                return this .newRoots;
271:            }
272:
273:            private static class RootIDPair implements  TCSerializable {
274:                private String rootName;
275:                private ObjectID rootID;
276:
277:                public RootIDPair() {
278:                    super ();
279:                }
280:
281:                public RootIDPair(String rootName, ObjectID rootID) {
282:                    this .rootName = rootName;
283:                    this .rootID = rootID;
284:                }
285:
286:                public void serializeTo(TCByteBufferOutput serialOutput) {
287:                    serialOutput.writeString(rootName);
288:                    serialOutput.writeLong(rootID.toLong());
289:
290:                }
291:
292:                public Object deserializeFrom(TCByteBufferInput serialInput)
293:                        throws IOException {
294:                    this .rootName = serialInput.readString();
295:                    this .rootID = new ObjectID(serialInput.readLong());
296:                    return this ;
297:                }
298:
299:                public ObjectID getRootID() {
300:                    return rootID;
301:                }
302:
303:                public String getRootName() {
304:                    return rootName;
305:                }
306:            }
307:
308:            public List getDmiDescriptors() {
309:                return dmis;
310:            }
311:
312:        }
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