Adding JMCR-Stable version

[Benchmarks_CSolver.git] / JMCR-Stable / real-world application / derby-10.3.2.1 / java / engine / org / apache / derby / iapi / sql / execute / TupleFilter.java

diff --git a/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/iapi/sql/execute/TupleFilter.java b/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/iapi/sql/execute/TupleFilter.java
new file mode 100644 (file)
index 0000000..daab206
--- /dev/null
+++ b/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/iapi/sql/execute/TupleFilter.java
@@ -0,0 +1,55 @@
+/*\r
+\r
+   Derby - Class org.apache.derby.iapi.sql.execute.TupleFilter\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.iapi.sql.execute;\r
+\r
+import org.apache.derby.iapi.types.BooleanDataValue;\r
+\r
+import org.apache.derby.iapi.error.StandardException;\r
+\r
+/**\r
+ *     A TupleFilter is used to qualify rows from a tuple stream.\r
+ *\r
+ */\r
+public interface TupleFilter\r
+{\r
+       /**\r
+         *     Initialize a Filter with a vector of parameters.\r
+         *\r
+         *     @param  parameters      An ExecRow of parameter values\r
+         *\r
+         * @exception StandardException                Thrown on error\r
+         */\r
+    public     void    init( ExecRow parameters )\r
+                               throws StandardException;\r
+\r
+       /**\r
+         *     Pump a row through the Filter.\r
+         *\r
+         *     @param  currentRow              Column values to plug into restriction\r
+         *\r
+         *     @return True if the row qualifies. False otherwise.\r
+         *\r
+         * @exception StandardException                Thrown on error\r
+         */\r
+    public     BooleanDataValue        execute( ExecRow currentRow )\r
+                               throws StandardException;\r
+}\r