--- /dev/null
+/*\r
+\r
+ Derby - Class org.apache.derby.iapi.sql.dictionary.TupleDescriptor\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.dictionary;\r
+\r
+import org.apache.derby.iapi.sql.conn.LanguageConnectionContext;\r
+import org.apache.derby.iapi.error.StandardException;\r
+\r
+import org.apache.derby.catalog.DependableFinder;\r
+import org.apache.derby.iapi.services.sanity.SanityManager;\r
+\r
+import org.apache.derby.iapi.reference.SQLState;\r
+\r
+// is it OK to do this?\r
+import org.apache.derby.impl.sql.catalog.DDdependableFinder;\r
+import org.apache.derby.impl.sql.catalog.DDColumnDependableFinder;\r
+\r
+/**\r
+ * This is the superclass of all Descriptors. Users of DataDictionary should use\r
+ * the specific descriptor.\r
+ *\r
+ */\r
+\r
+public class TupleDescriptor\r
+{\r
+ //////////////////////////////////////////////////////////////////\r
+ //\r
+ // CONSTANTS\r
+ //\r
+ //////////////////////////////////////////////////////////////////\r
+\r
+\r
+ //////////////////////////////////////////////////////////////////\r
+ //\r
+ // STATE\r
+ //\r
+ //////////////////////////////////////////////////////////////////\r
+\r
+ private DataDictionary dataDictionary;\r
+\r
+ //////////////////////////////////////////////////////////////////\r
+ //\r
+ // CONSTRUCTOR\r
+ //\r
+ //////////////////////////////////////////////////////////////////\r
+\r
+ public TupleDescriptor() {}\r
+\r
+ public TupleDescriptor(DataDictionary dataDictionary) \r
+ {\r
+ this.dataDictionary = dataDictionary;\r
+ }\r
+\r
+ protected DataDictionary getDataDictionary()\r
+ {\r
+ return dataDictionary;\r
+ }\r
+\r
+ protected void setDataDictionary(DataDictionary dd) \r
+ {\r
+ dataDictionary = dd;\r
+ }\r
+\r
+ /**\r
+ * Is this provider persistent? A stored dependency will be required\r
+ * if both the dependent and provider are persistent.\r
+ *\r
+ * @return boolean Whether or not this provider is persistent.\r
+ */\r
+ public boolean isPersistent()\r
+ {\r
+ return true;\r
+ }\r
+\r
+\r
+ //////////////////////////////////////////////////////////////////\r
+ //\r
+ // BEHAVIOR. These are only used by Replication!!\r
+ //\r
+ //////////////////////////////////////////////////////////////////\r
+\r
+\r
+ public DependableFinder getDependableFinder(int formatId)\r
+ {\r
+ return new DDdependableFinder(formatId);\r
+ }\r
+\r
+ DependableFinder getColumnDependableFinder(int formatId, byte[]\r
+ columnBitMap)\r
+ {\r
+ return new DDColumnDependableFinder(formatId, columnBitMap);\r
+ }\r
+ \r
+ /** Each descriptor must identify itself with its type; i.e index, check\r
+ * constraint whatever.\r
+ */\r
+ public String getDescriptorType()\r
+ {\r
+ if (SanityManager.DEBUG) {SanityManager.NOTREACHED(); }\r
+ return null; \r
+ }\r
+ /* each descriptor has a name\r
+ */\r
+ public String getDescriptorName()\r
+ {\r
+ if (SanityManager.DEBUG) {SanityManager.NOTREACHED(); }\r
+ return null; \r
+ }\r
+}\r