--- /dev/null
+/*\r
+\r
+ Derby - Class org.apache.derby.impl.sql.catalog.SYSFILESRowFactory\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.monitor.Monitor;\r
+import org.apache.derby.iapi.services.sanity.SanityManager;\r
+import org.apache.derby.iapi.db.Database;\r
+import org.apache.derby.iapi.error.StandardException;\r
+\r
+import org.apache.derby.iapi.sql.dictionary.CatalogRowFactory;\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.SchemaDescriptor;\r
+import org.apache.derby.iapi.sql.dictionary.FileInfoDescriptor;\r
+import org.apache.derby.iapi.sql.dictionary.SystemColumn;\r
+import org.apache.derby.iapi.sql.dictionary.TupleDescriptor;\r
+import org.apache.derby.iapi.types.SQLChar;\r
+import org.apache.derby.iapi.types.SQLVarchar;\r
+import org.apache.derby.iapi.types.TypeId;\r
+import org.apache.derby.iapi.types.DataValueFactory;\r
+import org.apache.derby.iapi.types.RowLocation;\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.ExecutionContext;\r
+import org.apache.derby.iapi.sql.execute.ExecutionFactory;\r
+import org.apache.derby.iapi.types.DataTypeDescriptor;\r
+import org.apache.derby.iapi.types.DataValueDescriptor;\r
+import org.apache.derby.iapi.types.TypeId;\r
+import org.apache.derby.iapi.services.uuid.UUIDFactory;\r
+import org.apache.derby.catalog.TypeDescriptor;\r
+import org.apache.derby.catalog.UUID;\r
+\r
+import java.sql.Types;\r
+import java.util.Properties;\r
+\r
+/**\r
+ * Factory for creating a SYSFILES row.\r
+ *\r
+ *\r
+ * @version 0.1\r
+ */\r
+\r
+class SYSFILESRowFactory extends CatalogRowFactory\r
+{\r
+ private static final String TABLENAME_STRING = "SYSFILES";\r
+\r
+ private static final int SYSFILES_COLUMN_COUNT = 4;\r
+\r
+ /* Column #s (1 based) */\r
+ private static final int ID_COL_NUM = 1;\r
+ private static final String ID_COL_NAME = "FILEID";\r
+\r
+ private static final int SCHEMA_ID_COL_NUM = 2;\r
+ private static final String SCHEMA_ID_COL_NAME = "SCHEMAID";\r
+\r
+ private static final int NAME_COL_NUM = 3;\r
+ private static final String NAME_COL_NAME = "FILENAME";\r
+\r
+ private static final int GENERATION_ID_COL_NUM = 4;\r
+ private static final String GENERATION_ID_COL_NAME = "GENERATIONID";\r
+\r
+ static final int SYSFILES_INDEX1_ID = 0;\r
+ static final int SYSFILES_INDEX2_ID = 1;\r
+\r
+ private static final int[][] indexColumnPositions =\r
+ {\r
+ {NAME_COL_NUM, SCHEMA_ID_COL_NUM},\r
+ {ID_COL_NUM}\r
+ };\r
+\r
+ private static final boolean[] uniqueness = null;\r
+\r
+ private static final String[] uuids =\r
+ {\r
+ "80000000-00d3-e222-873f-000a0a0b1900", // catalog UUID\r
+ "80000000-00d3-e222-9920-000a0a0b1900", // heap UUID\r
+ "80000000-00d3-e222-a373-000a0a0b1900", // SYSSQLFILES_INDEX1\r
+ "80000000-00d3-e222-be7b-000a0a0b1900" // SYSSQLFILES_INDEX2\r
+ };\r
+\r
+ /////////////////////////////////////////////////////////////////////////////\r
+ //\r
+ // CONSTRUCTORS\r
+ //\r
+ /////////////////////////////////////////////////////////////////////////////\r
+\r
+ SYSFILESRowFactory(UUIDFactory uuidf, ExecutionFactory ef, DataValueFactory dvf) \r
+ {\r
+ super(uuidf,ef,dvf);\r
+ initInfo(SYSFILES_COLUMN_COUNT, TABLENAME_STRING, \r
+ indexColumnPositions, uniqueness, uuids );\r
+ }\r
+\r
+ /////////////////////////////////////////////////////////////////////////////\r
+ //\r
+ // METHODS\r
+ //\r
+ /////////////////////////////////////////////////////////////////////////////\r
+\r
+ /**\r
+ * Make a SYSFILES row\r
+ *\r
+ * @return Row suitable for inserting into SYSFILES\r
+ *\r
+ * @exception StandardException thrown on failure\r
+ */\r
+\r
+ public ExecRow makeRow(TupleDescriptor td, TupleDescriptor parent)\r
+ throws StandardException\r
+ {\r
+ String id_S = null;\r
+ String schemaId_S = null;\r
+ String SQLname = null;\r
+ long generationId = 0;\r
+ \r
+ ExecRow row;\r
+\r
+ if (td != null) \r
+ {\r
+ FileInfoDescriptor descriptor = (FileInfoDescriptor)td;\r
+ id_S = descriptor.getUUID().toString();\r
+ schemaId_S = descriptor.getSchemaDescriptor().getUUID().toString();\r
+ SQLname = descriptor.getName();\r
+ generationId = descriptor.getGenerationId();\r
+ }\r
+ \r
+ /* Build the row to insert */\r
+ row = getExecutionFactory().getValueRow(SYSFILES_COLUMN_COUNT);\r
+\r
+ /* 1st column is ID (UUID - char(36)) */\r
+ row.setColumn(ID_COL_NUM, new SQLChar(id_S));\r
+\r
+ /* 2nd column is SCHEMAID (UUID - char(36)) */\r
+ row.setColumn(SCHEMA_ID_COL_NUM, new SQLChar(schemaId_S));\r
+\r
+ /* 3rd column is NAME (varchar(30)) */\r
+ row.setColumn(NAME_COL_NUM, new SQLVarchar(SQLname));\r
+\r
+ /* 4th column is GENERATIONID (long) */\r
+ row.setColumn(GENERATION_ID_COL_NUM, dvf.getDataValue(generationId));\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 descriptor out of a SYSFILES row\r
+ *\r
+ * @param row a row\r
+ * @param parentTupleDescriptor Null for this kind of descriptor.\r
+ * @param dd dataDictionary\r
+ *\r
+ * @return a descriptor equivalent to a row\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
+ if (SanityManager.DEBUG)\r
+ {\r
+ if (row.nColumns() != SYSFILES_COLUMN_COUNT)\r
+ {\r
+ SanityManager.THROWASSERT("Wrong number of columns for a SYSFILES row: "+\r
+ row.nColumns());\r
+ }\r
+ }\r
+\r
+ DataDescriptorGenerator ddg = dd.getDataDescriptorGenerator();\r
+\r
+ String id_S;\r
+ UUID id;\r
+ String schemaId_S;\r
+ UUID schemaId;\r
+ String name;\r
+ long generationId;\r
+ DataValueDescriptor col;\r
+\r
+ SchemaDescriptor schemaDescriptor;\r
+ FileInfoDescriptor result;\r
+\r
+ /* 1st column is ID (UUID - char(36)) */\r
+ col = row.getColumn(ID_COL_NUM);\r
+ id_S = col.getString();\r
+ id = getUUIDFactory().recreateUUID(id_S);\r
+\r
+ /* 2nd column is SchemaId */\r
+ col = row.getColumn(SCHEMA_ID_COL_NUM);\r
+ schemaId_S = col.getString();\r
+ schemaId = getUUIDFactory().recreateUUID(schemaId_S);\r
+ \r
+ schemaDescriptor = dd.getSchemaDescriptor(schemaId, null);\r
+ if (SanityManager.DEBUG)\r
+ {\r
+ if (schemaDescriptor == null)\r
+ {\r
+ SanityManager.THROWASSERT("Missing schema for FileInfo: "+id_S);\r
+ }\r
+ }\r
+\r
+ /* 3nd column is NAME (varchar(128)) */\r
+ col = row.getColumn(NAME_COL_NUM);\r
+ name = col.getString();\r
+\r
+ /* 4th column is generationId (long) */\r
+ col = row.getColumn(GENERATION_ID_COL_NUM);\r
+ generationId = col.getLong();\r
+\r
+ result = ddg.newFileInfoDescriptor(id,schemaDescriptor,name,\r
+ generationId);\r
+ return result;\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
+ public SystemColumn[] buildColumnList()\r
+ {\r
+ return new SystemColumn[] {\r
+ SystemColumnImpl.getUUIDColumn(ID_COL_NAME, false),\r
+ SystemColumnImpl.getUUIDColumn(SCHEMA_ID_COL_NAME, false),\r
+ SystemColumnImpl.getIdentifierColumn(NAME_COL_NAME, false),\r
+ SystemColumnImpl.getColumn(GENERATION_ID_COL_NAME, Types.BIGINT, false)\r
+ \r
+ };\r
+ }\r
+}\r
projects / Benchmarks_CSolver.git / blobdiff