--- /dev/null
+/*\r
+\r
+ Derby - Class org.apache.derby.impl.sql.catalog.SYSCHECKSRowFactory\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 java.sql.Types;\r
+\r
+import org.apache.derby.catalog.ReferencedColumns;\r
+import org.apache.derby.catalog.UUID;\r
+import org.apache.derby.iapi.error.StandardException;\r
+import org.apache.derby.iapi.services.sanity.SanityManager;\r
+import org.apache.derby.iapi.services.uuid.UUIDFactory;\r
+import org.apache.derby.iapi.sql.dictionary.CatalogRowFactory;\r
+import org.apache.derby.iapi.sql.dictionary.CheckConstraintDescriptor;\r
+import org.apache.derby.iapi.sql.dictionary.DataDescriptorGenerator;\r
+import org.apache.derby.iapi.sql.dictionary.DataDictionary;\r
+import org.apache.derby.iapi.sql.dictionary.SubCheckConstraintDescriptor;\r
+import org.apache.derby.iapi.sql.dictionary.SystemColumn;\r
+import org.apache.derby.iapi.sql.dictionary.TupleDescriptor;\r
+import org.apache.derby.iapi.sql.execute.ExecIndexRow;\r
+import org.apache.derby.iapi.sql.execute.ExecRow;\r
+import org.apache.derby.iapi.sql.execute.ExecutionFactory;\r
+import org.apache.derby.iapi.types.DataValueDescriptor;\r
+import org.apache.derby.iapi.types.DataValueFactory;\r
+import org.apache.derby.iapi.types.SQLChar;\r
+\r
+/**\r
+ * Factory for creating a SYSCHECKS row.\r
+ *\r
+ */\r
+\r
+class SYSCHECKSRowFactory extends CatalogRowFactory\r
+{\r
+ private static final String TABLENAME_STRING = "SYSCHECKS";\r
+\r
+ private static final int SYSCHECKS_COLUMN_COUNT = 3;\r
+ private static final int SYSCHECKS_CONSTRAINTID = 1;\r
+ private static final int SYSCHECKS_CHECKDEFINITION = 2;\r
+ private static final int SYSCHECKS_REFERENCEDCOLUMNS = 3;\r
+\r
+ static final int SYSCHECKS_INDEX1_ID = 0;\r
+\r
+ // index is unique.\r
+ private static final boolean[] uniqueness = null;\r
+\r
+ private static final int[][] indexColumnPositions =\r
+ { \r
+ {SYSCHECKS_CONSTRAINTID}\r
+ };\r
+\r
+ private static final String[] uuids =\r
+ {\r
+ "80000056-00d0-fd77-3ed8-000a0a0b1900" // catalog UUID\r
+ ,"80000059-00d0-fd77-3ed8-000a0a0b1900" // heap UUID\r
+ ,"80000058-00d0-fd77-3ed8-000a0a0b1900" // SYSCHECKS_INDEX1 UUID\r
+ };\r
+\r
+\r
+\r
+ /////////////////////////////////////////////////////////////////////////////\r
+ //\r
+ // CONSTRUCTORS\r
+ //\r
+ /////////////////////////////////////////////////////////////////////////////\r
+\r
+ SYSCHECKSRowFactory(UUIDFactory uuidf, ExecutionFactory ef, DataValueFactory dvf)\r
+ {\r
+ super(uuidf,ef,dvf);\r
+ initInfo(SYSCHECKS_COLUMN_COUNT, TABLENAME_STRING, indexColumnPositions, uniqueness, uuids );\r
+ }\r
+\r
+ /////////////////////////////////////////////////////////////////////////////\r
+ //\r
+ // METHODS\r
+ //\r
+ /////////////////////////////////////////////////////////////////////////////\r
+\r
+ /**\r
+ * Make a SYSCHECKS row\r
+ *\r
+ * @param td CheckConstraintDescriptorImpl\r
+ *\r
+ * @return Row suitable for inserting into SYSCHECKS.\r
+ *\r
+ * @exception StandardException thrown on failure\r
+ */\r
+ public ExecRow makeRow(TupleDescriptor td, TupleDescriptor parent)\r
+ throws StandardException \r
+ {\r
+ DataValueDescriptor col;\r
+ ExecIndexRow row;\r
+ ReferencedColumns rcd = null;\r
+ String checkDefinition = null;\r
+ String constraintID = null;\r
+\r
+ if (td != null)\r
+ {\r
+ CheckConstraintDescriptor cd = (CheckConstraintDescriptor)td;\r
+ /*\r
+ ** We only allocate a new UUID if the descriptor doesn't already have one.\r
+ ** For descriptors replicated from a Source system, we already have an UUID.\r
+ */\r
+ constraintID = cd.getUUID().toString();\r
+\r
+ checkDefinition = cd.getConstraintText();\r
+\r
+ rcd = cd.getReferencedColumnsDescriptor();\r
+ }\r
+\r
+ /* Build the row */\r
+ row = getExecutionFactory().getIndexableRow(SYSCHECKS_COLUMN_COUNT);\r
+\r
+ /* 1st column is CONSTRAINTID (UUID - char(36)) */\r
+ row.setColumn(SYSCHECKS_CONSTRAINTID, new SQLChar(constraintID));\r
+\r
+ /* 2nd column is CHECKDEFINITION */\r
+ row.setColumn(SYSCHECKS_CHECKDEFINITION,\r
+ dvf.getLongvarcharDataValue(checkDefinition));\r
+\r
+ /* 3rd column is REFERENCEDCOLUMNS\r
+ * (user type org.apache.derby.catalog.ReferencedColumns)\r
+ */\r
+ row.setColumn(SYSCHECKS_REFERENCEDCOLUMNS,\r
+ dvf.getDataValue(rcd));\r
+\r
+ return row;\r
+ }\r
+\r
+ ///////////////////////////////////////////////////////////////////////////\r
+ //\r
+ // ABSTRACT METHODS TO BE IMPLEMENTED BY CHILDREN OF CatalogRowFactory\r
+ //\r
+ ///////////////////////////////////////////////////////////////////////////\r
+\r
+ /**\r
+ * Make a ViewDescriptor out of a SYSCHECKS row\r
+ *\r
+ * @param row a SYSCHECKS row\r
+ * @param parentTupleDescriptor Null for this kind of descriptor.\r
+ * @param dd dataDictionary\r
+ *\r
+ * @exception StandardException thrown on failure\r
+ */\r
+ public TupleDescriptor buildDescriptor(\r
+ ExecRow row,\r
+ TupleDescriptor parentTupleDescriptor,\r
+ DataDictionary dd )\r
+ throws StandardException\r
+ {\r
+ SubCheckConstraintDescriptor checkDesc = null;\r
+\r
+ if (SanityManager.DEBUG)\r
+ {\r
+ SanityManager.ASSERT(\r
+ row.nColumns() == SYSCHECKS_COLUMN_COUNT, \r
+ "Wrong number of columns for a SYSCHECKS row");\r
+ }\r
+\r
+ DataValueDescriptor col;\r
+ DataDescriptorGenerator ddg;\r
+ ReferencedColumns referencedColumns;\r
+ String constraintText;\r
+ String constraintUUIDString;\r
+ UUID constraintUUID;\r
+\r
+ ddg = dd.getDataDescriptorGenerator();\r
+\r
+ /* 1st column is CONSTRAINTID (UUID - char(36)) */\r
+ col = row.getColumn(SYSCHECKS_CONSTRAINTID);\r
+ constraintUUIDString = col.getString();\r
+ constraintUUID = getUUIDFactory().recreateUUID(constraintUUIDString);\r
+\r
+ /* 2nd column is CHECKDEFINITION */\r
+ col = row.getColumn(SYSCHECKS_CHECKDEFINITION);\r
+ constraintText = col.getString();\r
+\r
+ /* 3rd column is REFERENCEDCOLUMNS */\r
+ col = row.getColumn(SYSCHECKS_REFERENCEDCOLUMNS);\r
+ referencedColumns =\r
+ (ReferencedColumns) col.getObject();\r
+\r
+ /* now build and return the descriptor */\r
+\r
+ checkDesc = new SubCheckConstraintDescriptor(\r
+ constraintUUID,\r
+ constraintText,\r
+ referencedColumns);\r
+ return checkDesc;\r
+ }\r
+\r
+ /**\r
+ * Builds a list of columns suitable for creating this Catalog.\r
+ *\r
+ *\r
+ * @return array of SystemColumn suitable for making this catalog.\r
+ */\r
+\r
+ public SystemColumn[] buildColumnList() {\r
+ \r
+ return new SystemColumn[] {\r
+ SystemColumnImpl.getUUIDColumn("CONSTRAINTID", false),\r
+ SystemColumnImpl.getColumn("CHECKDEFINITION", Types.LONGVARCHAR, false),\r
+ SystemColumnImpl.getJavaColumn("REFERENCEDCOLUMNS",\r
+ "org.apache.derby.catalog.ReferencedColumns", false) \r
+ };\r
+ }\r
+}\r
projects / Benchmarks_CSolver.git / blobdiff