Adding JMCR-Stable version

[Benchmarks_CSolver.git] / JMCR-Stable / real-world application / MyDerby-10.3 / java / engine / org / apache / derby / impl / sql / catalog / IndexInfoImpl.java

diff --git a/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/sql/catalog/IndexInfoImpl.java b/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/sql/catalog/IndexInfoImpl.java
new file mode 100644 (file)
index 0000000..81fb358
--- /dev/null
+++ b/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/sql/catalog/IndexInfoImpl.java
@@ -0,0 +1,141 @@
+/*\r
+\r
+   Derby - Class org.apache.derby.impl.sql.catalog.IndexInfoImpl\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.sql.catalog;\r
+\r
+import org.apache.derby.iapi.services.sanity.SanityManager;\r
+\r
+import org.apache.derby.iapi.sql.dictionary.CatalogRowFactory;\r
+import org.apache.derby.iapi.sql.dictionary.ConglomerateDescriptor;\r
+import org.apache.derby.iapi.sql.dictionary.IndexRowGenerator;\r
+\r
+import org.apache.derby.catalog.UUID;\r
+\r
+/**\r
+* A poor mans structure used in DataDictionaryImpl.java.\r
+* Used to save information about system indexes.\r
+*\r
+*/\r
+class IndexInfoImpl\r
+{\r
+       private IndexRowGenerator       irg;\r
+\r
+       private long                            conglomerateNumber;\r
+    \r
+    private final CatalogRowFactory crf;\r
+    private final int indexNumber;\r
+\r
+       /**\r
+        * Constructor\r
+        *\r
+        * @param indexNumber                   (0-based) number of index within catalog's indexes\r
+        * @param crf                                   CatalogRowFactory for the catalog\r
+        */\r
+       IndexInfoImpl(int indexNumber, CatalogRowFactory crf)\r
+       {\r
+        this.crf = crf;\r
+        this.indexNumber = indexNumber;\r
+               this.conglomerateNumber = -1;\r
+       }\r
+\r
+    /**\r
+        * Get the conglomerate number for the index.\r
+        *\r
+        * @return long The conglomerate number for the index.\r
+        */\r
+       long getConglomerateNumber()\r
+       {\r
+               return conglomerateNumber;\r
+       }\r
+\r
+       /**\r
+        * Set the conglomerate number for the index.\r
+        *\r
+        * @param conglomerateNumber    The conglomerateNumber for the index.\r
+        */\r
+       void setConglomerateNumber(long conglomerateNumber)\r
+       {\r
+               this.conglomerateNumber = conglomerateNumber;\r
+       }\r
+\r
+       /**\r
+        * Get the index name for the index.\r
+        *\r
+        * @return String       The index name for the index.\r
+        */\r
+       String getIndexName()\r
+       {\r
+               return crf.getIndexName(indexNumber);\r
+       }\r
+\r
+       /**\r
+        * Get the column count for the index.\r
+        *\r
+        * @return int  The column count for the index.\r
+        */\r
+       int getColumnCount()\r
+       {\r
+               return crf.getIndexColumnCount(indexNumber);\r
+       }\r
+\r
+       /**\r
+        * Get the IndexRowGenerator for this index.\r
+        *\r
+        * @return IndexRowGenerator    The IRG for this index.\r
+        */\r
+       IndexRowGenerator getIndexRowGenerator()\r
+       {\r
+               return irg;\r
+       }\r
+\r
+       /**\r
+        * Set the IndexRowGenerator for this index.\r
+        *\r
+        * @param irg                   The IndexRowGenerator for this index.\r
+        */\r
+       void setIndexRowGenerator(IndexRowGenerator irg)\r
+       {\r
+               this.irg = irg;\r
+       }\r
+\r
+       /**\r
+        * Get the base column position for a column within a catalog\r
+        * given the (0-based) column number for the column within the index.\r
+        *\r
+        * @param colNumber             The column number within the index\r
+        *\r
+        * @return int          The base column position for the column.\r
+        */\r
+       int getBaseColumnPosition(int colNumber)\r
+       {\r
+               return crf.getIndexColumnPositions(indexNumber)[colNumber];\r
+       }\r
+\r
+       /**\r
+        * Return whether or not this index is declared unique\r
+        *\r
+        * @return boolean              Whether or not this index is declared unique\r
+        */\r
+       boolean isIndexUnique()\r
+       {\r
+               return crf.isIndexUnique(indexNumber);\r
+       }\r
+}\r