Adding JMCR-Stable version
[Benchmarks_CSolver.git] / JMCR-Stable / real-world application / MyDerby-10.3 / java / engine / org / apache / derby / impl / sql / execute / rts / RealLastIndexKeyScanStatistics.java
diff --git a/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/sql/execute/rts/RealLastIndexKeyScanStatistics.java b/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/sql/execute/rts/RealLastIndexKeyScanStatistics.java
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+/*\r
+\r
+   Derby - Class org.apache.derby.impl.sql.execute.rts.RealLastIndexKeyScanStatistics\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.execute.rts;\r
+\r
+import org.apache.derby.iapi.services.io.StoredFormatIds;\r
+\r
+import org.apache.derby.iapi.services.i18n.MessageService;\r
+import org.apache.derby.iapi.reference.SQLState;\r
+\r
+import org.apache.derby.iapi.services.io.FormatableHashtable;\r
+import org.apache.derby.iapi.services.io.FormatableProperties;\r
+\r
+import java.io.ObjectOutput;\r
+import java.io.ObjectInput;\r
+import java.io.IOException;\r
+\r
+import java.util.Enumeration;\r
+import java.util.Properties;\r
+\r
+\r
+/**\r
+  ResultSetStatistics implemenation for RealLastIndexKeyScanResultSet.\r
+\r
+\r
+*/\r
+public class RealLastIndexKeyScanStatistics \r
+       extends RealNoPutResultSetStatistics\r
+{\r
+\r
+       /* Leave these fields public for object inspectors */\r
+       public String isolationLevel;\r
+       public String tableName;\r
+       public String indexName;\r
+       public String lockString;\r
+\r
+       // CONSTRUCTORS\r
+\r
+       /**\r
+        * \r
+        *\r
+        */\r
+    public     RealLastIndexKeyScanStatistics(int numOpens,\r
+                                                                       long constructorTime,\r
+                                                                       long openTime,\r
+                                                                       long nextTime,\r
+                                                                       long closeTime,\r
+                                                                       int resultSetNumber,\r
+                                                                       String tableName,\r
+                                                                       String indexName,\r
+                                                                       String isolationLevel,\r
+                                                                       String lockString,\r
+                                                                       double optimizerEstimatedRowCount,\r
+                                                                       double optimizerEstimatedCost\r
+                                                                       )\r
+       {\r
+               super(\r
+                       numOpens,\r
+                       1,\r
+                       0,\r
+                       constructorTime,\r
+                       openTime,\r
+                       nextTime,\r
+                       closeTime,\r
+                       resultSetNumber,\r
+                       optimizerEstimatedRowCount,\r
+                       optimizerEstimatedCost\r
+                       );\r
+               this.tableName = tableName;\r
+               this.indexName = indexName;\r
+               this.isolationLevel = isolationLevel;\r
+               this.lockString = lockString;\r
+       }\r
+\r
+       // ResultSetStatistics methods\r
+\r
+       /**\r
+        * Return the statement execution plan as a String.\r
+        *\r
+        * @param depth Indentation level.\r
+        *\r
+        * @return String       The statement executio plan as a String.\r
+        */\r
+       public String getStatementExecutionPlanText(int depth)\r
+       {\r
+               String header;\r
+               String isolationString = null;\r
+\r
+               initFormatInfo(depth);\r
+\r
+               header =\r
+                               indent + MessageService.getTextMessage(\r
+                                                                                               SQLState.RTS_LKIS_RS,\r
+                                                                                               tableName,\r
+                                                                                               indexName);\r
+\r
+               header = header + MessageService.getTextMessage(\r
+                                                                                               SQLState.RTS_LOCKING_OPTIMIZER,\r
+                                                                                               isolationLevel,\r
+                                                                                               lockString);\r
+\r
+               header = header + "\n";\r
+\r
+               return\r
+                       header +\r
+                       indent + MessageService.getTextMessage(SQLState.RTS_NUM_OPENS) +\r
+                                       " = " + numOpens + "\n" +\r
+                       indent + MessageService.getTextMessage(SQLState.RTS_ROWS_SEEN) +\r
+                                       " = " + numOpens + "\n" +\r
+                       dumpTimeStats(indent, subIndent) + "\n" +\r
+                       ((rowsSeen > 0) \r
+                               ?\r
+                                       subIndent + MessageService.getTextMessage(\r
+                                                                                                       SQLState.RTS_NEXT_TIME) +\r
+                                               " = " + (nextTime / numOpens) + "\n"\r
+                               : \r
+                                       "") + "\n" +\r
+                       // RESOLVE - estimated row count and cost will eventually \r
+                       // be displayed for all nodes\r
+                       dumpEstimatedCosts(subIndent);\r
+       }\r
+\r
+       /**\r
+        * Return information on the scan nodes from the statement execution \r
+        * plan as a String.\r
+        *\r
+        * @param depth Indentation level.\r
+        * @param tableName if not NULL then print information for this table only\r
+        *\r
+        * @return String       The information on the scan nodes from the \r
+        *                                      statement execution plan as a String.\r
+        */\r
+       public String getScanStatisticsText(String tableName, int depth)\r
+       {\r
+               if ((tableName == null) || (tableName.equals(this.tableName)))\r
+                       return getStatementExecutionPlanText(depth);\r
+               else\r
+                       return (String)"";\r
+       }\r
+\r
+       // Class implementation\r
+       \r
+       public String toString()\r
+       {\r
+               return getStatementExecutionPlanText(0);\r
+       }\r
+\r
+       /**\r
+   * Format for display, a name for this node.\r
+        *\r
+        */\r
+  public String getNodeName(){\r
+       return MessageService.getTextMessage(\r
+                                                               indexName == null ?\r
+                                                                       SQLState.RTS_TABLE_SCAN :\r
+                                                                       SQLState.RTS_INDEX_SCAN);\r
+  }\r
+\r
+       /**\r
+        * If this node is on a database item (like a table or an index), then provide a\r
+   * string that describes the on item.\r
+   *\r
+        */\r
+  public String getNodeOn(){\r
+    if (indexName == null)\r
+      return MessageService.getTextMessage(SQLState.RTS_ON, tableName);\r
+    else\r
+      return MessageService.getTextMessage(\r
+                                                                               SQLState.RTS_ON_USING,\r
+                                                                               tableName,\r
+                                                                               indexName);\r
+  }\r
+}\r