--- /dev/null
+/*\r
+\r
+ Derby - Class org.apache.derby.iapi.sql.dictionary.ColPermsDescriptor\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.catalog.Dependable;\r
+import org.apache.derby.catalog.DependableFinder;\r
+import org.apache.derby.catalog.UUID;\r
+\r
+import org.apache.derby.iapi.error.StandardException;\r
+import org.apache.derby.iapi.sql.dictionary.DataDictionary;\r
+import org.apache.derby.iapi.services.io.FormatableBitSet;\r
+import org.apache.derby.iapi.services.io.StoredFormatIds;\r
+import org.apache.derby.impl.sql.catalog.DDdependableFinder;\r
+\r
+/**\r
+ * This class describes a row in the SYS.SYSCOLPERMS system table, which keeps\r
+ * the column permissions that have been granted but not revoked.\r
+ */\r
+public class ColPermsDescriptor extends PermissionsDescriptor\r
+{\r
+ private UUID tableUUID;\r
+ private String type;\r
+ private FormatableBitSet columns;\r
+ private String tableName;\r
+ \r
+ public ColPermsDescriptor( DataDictionary dd,\r
+ String grantee,\r
+ String grantor,\r
+ UUID tableUUID,\r
+ String type,\r
+ FormatableBitSet columns) throws StandardException\r
+ {\r
+ super (dd, grantee, grantor);\r
+ this.tableUUID = tableUUID;\r
+ this.type = type;\r
+ this.columns = columns;\r
+ //tableUUID can be null only if the constructor with colPermsUUID\r
+ //has been invoked.\r
+ if (tableUUID != null)\r
+ tableName = dd.getTableDescriptor(tableUUID).getName();\r
+ }\r
+\r
+ /**\r
+ * This constructor just initializes the key fields of a ColPermsDescriptor\r
+ */\r
+ public ColPermsDescriptor( DataDictionary dd,\r
+ String grantee,\r
+ String grantor,\r
+ UUID tableUUID,\r
+ String type) throws StandardException\r
+ {\r
+ this( dd, grantee, grantor, tableUUID, type, (FormatableBitSet) null);\r
+ } \r
+ \r
+ public ColPermsDescriptor( DataDictionary dd,\r
+ UUID colPermsUUID) throws StandardException\r
+ {\r
+ super(dd,null,null);\r
+ this.oid = colPermsUUID;\r
+ }\r
+ \r
+ public int getCatalogNumber()\r
+ {\r
+ return DataDictionary.SYSCOLPERMS_CATALOG_NUM;\r
+ }\r
+ \r
+ /*----- getter functions for rowfactory ------*/\r
+ public UUID getTableUUID() { return tableUUID;}\r
+ public String getType() { return type;}\r
+ public FormatableBitSet getColumns() { return columns;}\r
+\r
+ public String toString()\r
+ {\r
+ return "colPerms: grantee=" + getGrantee() + \r
+ ",colPermsUUID=" + getUUID() +\r
+ ",grantor=" + getGrantor() +\r
+ ",tableUUID=" + getTableUUID() +\r
+ ",type=" + getType() +\r
+ ",columns=" + getColumns();\r
+ } \r
+\r
+ /**\r
+ * @return true iff the key part of this permissions descriptor equals the key part of another permissions\r
+ * descriptor.\r
+ */\r
+ public boolean equals( Object other)\r
+ {\r
+ if( !( other instanceof ColPermsDescriptor))\r
+ return false;\r
+ ColPermsDescriptor otherColPerms = (ColPermsDescriptor) other;\r
+ return super.keyEquals( otherColPerms) &&\r
+ tableUUID.equals( otherColPerms.tableUUID) &&\r
+ ((type == null) ? (otherColPerms.type == null) : type.equals( otherColPerms.type));\r
+ }\r
+ \r
+ /**\r
+ * @return the hashCode for the key part of this permissions descriptor\r
+ */\r
+ public int hashCode()\r
+ {\r
+ return super.keyHashCode() + tableUUID.hashCode() +\r
+ ((type == null) ? 0 : type.hashCode());\r
+ }\r
+ \r
+ /**\r
+ * @see PermissionsDescriptor#checkOwner\r
+ */\r
+ public boolean checkOwner(String authorizationId) throws StandardException\r
+ {\r
+ TableDescriptor td = getDataDictionary().getTableDescriptor(tableUUID);\r
+ if (td.getSchemaDescriptor().getAuthorizationId().equals(authorizationId))\r
+ return true;\r
+ else\r
+ return false;\r
+ }\r
+\r
+ //////////////////////////////////////////////\r
+ //\r
+ // PROVIDER INTERFACE\r
+ //\r
+ //////////////////////////////////////////////\r
+\r
+ /**\r
+ * Return the name of this Provider. (Useful for errors.)\r
+ *\r
+ * @return String The name of this provider.\r
+ */\r
+ public String getObjectName()\r
+ {\r
+ return "Column Privilege on " + tableName; \r
+ }\r
+\r
+ /**\r
+ * Get the provider's type.\r
+ *\r
+ * @return char The provider's type.\r
+ */\r
+ public String getClassType()\r
+ {\r
+ return Dependable.COLUMNS_PERMISSION;\r
+ }\r
+\r
+ /** \r
+ @return the stored form of this provider\r
+\r
+ @see Dependable#getDependableFinder\r
+ */\r
+ public DependableFinder getDependableFinder() \r
+ {\r
+ return new DDdependableFinder(StoredFormatIds.COLUMNS_PERMISSION_FINDER_V01_ID);\r
+ }\r
+\r
+}\r
projects / Benchmarks_CSolver.git / blobdiff