Coverage Report

Coverage Report - org.apache.ojb.odmg.locking.LockStrategy

Classes in this File

 package org.apache.ojb.odmg.locking;
 
 /* Copyright 2002-2005 The Apache Software Foundation
  *
  * 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.
  */
 
 import org.apache.ojb.odmg.TransactionImpl;
 
 /**
  * this interface defines method that a Locking Strategy must implement
  * according to the transaction isolation level it represents.
  * @deprecated 
  */
 public interface LockStrategy
 {
 
     /**
      * acquire a read lock on Object obj for Transaction tx.
      * @param tx the transaction requesting the lock
      * @param obj the Object to be locked
      * @return true if successful, else false
      *
      */
     public boolean readLock(TransactionImpl tx, Object obj);
 
     /**
      * acquire a write lock on Object obj for Transaction tx.
      * @param tx the transaction requesting the lock
      * @param obj the Object to be locked
      * @return true if successful, else false
      *
      */
     public boolean writeLock(TransactionImpl tx, Object obj);
 
     /**
      * acquire a lock upgrade (from read to write) lock on Object obj for Transaction tx.
      * @param tx the transaction requesting the lock
      * @param obj the Object to be locked
      * @return true if successful, else false
      *
      */
     public boolean upgradeLock(TransactionImpl tx, Object obj);
 
     /**
      * release a lock on Object obj for Transaction tx.
      * @param tx the transaction releasing the lock
      * @param obj the Object to be unlocked
      * @return true if successful, else false
      *
      */
     public boolean releaseLock(TransactionImpl tx, Object obj);
 
     /**
      * checks whether the specified Object obj is read-locked by Transaction tx.
      * @param tx the transaction
      * @param obj the Object to be checked
      * @return true if lock exists, else false
      */
     public boolean checkRead(TransactionImpl tx, Object obj);
 
     /**
      * checks whether the specified Object obj is write-locked by Transaction tx.
      * @param tx the transaction
      * @param obj the Object to be checked
      * @return true if lock exists, else false
      */
     public boolean checkWrite(TransactionImpl tx, Object obj);
 }

1		package org.apache.ojb.odmg.locking;
2
3		/* Copyright 2002-2005 The Apache Software Foundation
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		import org.apache.ojb.odmg.TransactionImpl;
19
20		/**
21		* this interface defines method that a Locking Strategy must implement
22		* according to the transaction isolation level it represents.
23		* @deprecated
24		*/
25		public interface LockStrategy
26		{
27
28		/**
29		* acquire a read lock on Object obj for Transaction tx.
30		* @param tx the transaction requesting the lock
31		* @param obj the Object to be locked
32		* @return true if successful, else false
33		*
34		*/
35		public boolean readLock(TransactionImpl tx, Object obj);
36
37		/**
38		* acquire a write lock on Object obj for Transaction tx.
39		* @param tx the transaction requesting the lock
40		* @param obj the Object to be locked
41		* @return true if successful, else false
42		*
43		*/
44		public boolean writeLock(TransactionImpl tx, Object obj);
45
46		/**
47		* acquire a lock upgrade (from read to write) lock on Object obj for Transaction tx.
48		* @param tx the transaction requesting the lock
49		* @param obj the Object to be locked
50		* @return true if successful, else false
51		*
52		*/
53		public boolean upgradeLock(TransactionImpl tx, Object obj);
54
55		/**
56		* release a lock on Object obj for Transaction tx.
57		* @param tx the transaction releasing the lock
58		* @param obj the Object to be unlocked
59		* @return true if successful, else false
60		*
61		*/
62		public boolean releaseLock(TransactionImpl tx, Object obj);
63
64		/**
65		* checks whether the specified Object obj is read-locked by Transaction tx.
66		* @param tx the transaction
67		* @param obj the Object to be checked
68		* @return true if lock exists, else false
69		*/
70		public boolean checkRead(TransactionImpl tx, Object obj);
71
72		/**
73		* checks whether the specified Object obj is write-locked by Transaction tx.
74		* @param tx the transaction
75		* @param obj the Object to be checked
76		* @return true if lock exists, else false
77		*/
78		public boolean checkWrite(TransactionImpl tx, Object obj);
79		}