Adding JMCR-Stable version

[Benchmarks_CSolver.git] / JMCR-Stable / real-world application / derby-10.3.2.1 / java / engine / org / apache / derby / impl / store / raw / xact / NoLocking.java

diff --git a/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/impl/store/raw/xact/NoLocking.java b/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/impl/store/raw/xact/NoLocking.java
new file mode 100644 (file)
index 0000000..fd7ad0c
--- /dev/null
+++ b/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/impl/store/raw/xact/NoLocking.java
@@ -0,0 +1,102 @@
+/*\r
+\r
+   Derby - Class org.apache.derby.impl.store.raw.xact.NoLocking\r
+\r
+   Licensed to the Apache Software Foundation (ASF) under one or more\r
+   contributor license agreements.  See the NOTICE file distributed with\r
+   this work for additional information regarding copyright ownership.\r
+   The ASF licenses this file to you under the Apache License, Version 2.0\r
+   (the "License"); you may not use this file except in compliance with\r
+   the License.  You may obtain a copy of the License at\r
+\r
+      http://www.apache.org/licenses/LICENSE-2.0\r
+\r
+   Unless required by applicable law or agreed to in writing, software\r
+   distributed under the License is distributed on an "AS IS" BASIS,\r
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+   See the License for the specific language governing permissions and\r
+   limitations under the License.\r
+\r
+ */\r
+\r
+package org.apache.derby.impl.store.raw.xact;\r
+\r
+import org.apache.derby.iapi.store.raw.LockingPolicy;\r
+import org.apache.derby.iapi.store.raw.ContainerHandle;\r
+import org.apache.derby.iapi.store.raw.RecordHandle;\r
+import org.apache.derby.iapi.store.raw.Transaction;\r
+\r
+import org.apache.derby.iapi.error.StandardException;\r
+\r
+\r
+/**\r
+       A locking policy that implements no locking.\r
+\r
+       @see LockingPolicy\r
+*/\r
+class NoLocking implements LockingPolicy {\r
+\r
+       protected NoLocking() {\r
+       }\r
+\r
+       public boolean lockContainer(\r
+    Transaction     t, \r
+    ContainerHandle container, \r
+    boolean         waitForLock,\r
+    boolean         forUpdate)\r
+               throws StandardException {\r
+               return true;\r
+       }\r
+\r
+       public void unlockContainer(\r
+    Transaction     t, \r
+    ContainerHandle container)\r
+    {\r
+       }\r
+\r
+       public boolean lockRecordForRead(\r
+    Transaction     t, \r
+    ContainerHandle container,\r
+    RecordHandle    record, \r
+    boolean         waitForLock,\r
+    boolean         forUpdate)\r
+               throws StandardException\r
+       {\r
+               return true;\r
+       }\r
+\r
+       public boolean zeroDurationLockRecordForWrite(\r
+    Transaction     t, \r
+    RecordHandle    record,\r
+    boolean         lockForPreviousKey,\r
+    boolean         waitForLock)\r
+               throws StandardException\r
+       {\r
+               return true;\r
+       }\r
+\r
+       public boolean lockRecordForWrite(\r
+    Transaction     t, \r
+    RecordHandle    record, \r
+    boolean         lockForInsert,\r
+    boolean         waitForLock)\r
+               throws StandardException\r
+       {\r
+               return true;\r
+       }\r
+\r
+       public void unlockRecordAfterRead(\r
+    Transaction     t, \r
+    ContainerHandle container,\r
+    RecordHandle    record, \r
+    boolean         forUpdate,\r
+    boolean         row_qualified)\r
+        throws StandardException\r
+       {\r
+       }\r
+\r
+       public int getMode() {\r
+               return LockingPolicy.MODE_NONE;\r
+       }\r
+\r
+}\r