ActiveSpace - 1.0-SNAPSHOT

Clover coverage report - ActiveSpace - 1.0-SNAPSHOT

Coverage timestamp: Sat Oct 23 2004 15:04:04 BST

FRAMES NO FRAMES

file stats:	LOC:	65		Methods:	3
	NCLOC:	18		Classes:	1

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Source file

Conditionals

Statements

Methods

TOTAL

ClusteredCache.java

40%

33.3%

37.5%

 /**
  * 
  * Copyright 2004 Protique Ltd
  * 
  * 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.codehaus.activespace.cache;
 
 import org.codehaus.activespace.Space;
 import org.codehaus.activespace.cache.impl.CacheCommand;
 
 import javax.cache.Cache;
 
 /**
  * A clustered cache which replicates its state across other members of a cluster
  *
  * @version $Revision: 1.3 $
  */
 public class ClusteredCache extends TransactionalCache {
     private Space space;
 
     public ClusteredCache(Space space, Cache behindCache) {
         super(behindCache);
         this.space = space;
 
     }
 
     public void commit() {
         // we need to send the command to the space
         // and wait for a response
         CacheCommand command = createTransactionCommand();
         space.put(command);
         waitUntilTransactionApplied();
     }
 
     /**
      * Wait around up to some timeout period until the local transaction
      * has been distributed around the cluster and applied locally to the backing
      * cache
      */
     protected void waitUntilTransactionApplied() {
         // One strategy could be to not wait at all
         // and just use the local transaction view.
         // To do this we'd need to be able to snapshot the local changes
         // to a savepoint
         // so that a rollback after a commit() would only rollback the new changes
         // since the last savepoint. The savepoints can be discarded when the transaction
         // is eventually applied to the backing cache
         //
         // however we'd never be able to fail a transaction with
         // an optimistic transaction failure - but it would be super fast :)
     }
 }
 

1		/**
2		*
3		* Copyright 2004 Protique Ltd
4		*
5		* Licensed under the Apache License, Version 2.0 (the "License");
6		* you may not use this file except in compliance with the License.
7		* You may obtain a copy of the License at
8		*
9		* http://www.apache.org/licenses/LICENSE-2.0
10		*
11		* Unless required by applicable law or agreed to in writing, software
12		* distributed under the License is distributed on an "AS IS" BASIS,
13		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14		* See the License for the specific language governing permissions and
15		* limitations under the License.
16		*
17		**/
18		package org.codehaus.activespace.cache;
19
20		import org.codehaus.activespace.Space;
21		import org.codehaus.activespace.cache.impl.CacheCommand;
22
23		import javax.cache.Cache;
24
25		/**
26		* A clustered cache which replicates its state across other members of a cluster
27		*
28		* @version $Revision: 1.3 $
29		*/
30		public class ClusteredCache extends TransactionalCache {
31		private Space space;
32
33	4	public ClusteredCache(Space space, Cache behindCache) {
34	4	super(behindCache);
35	4	this.space = space;
36
37		}
38
39	0	public void commit() {
40		// we need to send the command to the space
41		// and wait for a response
42	0	CacheCommand command = createTransactionCommand();
43	0	space.put(command);
44	0	waitUntilTransactionApplied();
45		}
46
47		/**
48		* Wait around up to some timeout period until the local transaction
49		* has been distributed around the cluster and applied locally to the backing
50		* cache
51		*/
52	0	protected void waitUntilTransactionApplied() {
53		// One strategy could be to not wait at all
54		// and just use the local transaction view.
55		// To do this we'd need to be able to snapshot the local changes
56		// to a savepoint
57		// so that a rollback after a commit() would only rollback the new changes
58		// since the last savepoint. The savepoints can be discarded when the transaction
59		// is eventually applied to the backing cache
60		//
61		// however we'd never be able to fail a transaction with
62		// an optimistic transaction failure - but it would be super fast :)
63		}
64		}
65