Adding JMCR-Stable version

[Benchmarks_CSolver.git] / JMCR-Stable / real-world application / MyDerby-10.3 / java / engine / org / apache / derby / impl / sql / catalog / SystemColumnImpl.java

diff --git a/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/sql/catalog/SystemColumnImpl.java b/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/sql/catalog/SystemColumnImpl.java
new file mode 100644 (file)
index 0000000..db9d1b3
--- /dev/null
+++ b/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/sql/catalog/SystemColumnImpl.java
@@ -0,0 +1,165 @@
+/*\r
+\r
+   Derby - Class org.apache.derby.impl.sql.catalog.SystemColumnImpl\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.iapi.sql.dictionary.SystemColumn;\r
+import org.apache.derby.iapi.types.DataTypeDescriptor;\r
+import org.apache.derby.iapi.types.TypeId;\r
+\r
+/**\r
+ * Implements the description of a column in a system table.\r
+ *\r
+ *\r
+ * @version 0.1\r
+ */\r
+\r
+class SystemColumnImpl implements SystemColumn\r
+{\r
+       private final String    name;\r
+   \r
+    /**\r
+     * Fully described type of the column.\r
+     */\r
+    private final DataTypeDescriptor type;\r
+    \r
+    /**\r
+     * Create a system column for a builtin type.\r
+     * \r
+     * @param name\r
+     *            name of column\r
+     * @param jdbcTypeId\r
+     *            JDBC type id from java.sql.Types\r
+     * @param nullability\r
+     *            Whether or not column accepts nulls.\r
+     */\r
+    static SystemColumn getColumn(String name, int jdbcTypeId,\r
+            boolean nullability) {\r
+        return new SystemColumnImpl(name, DataTypeDescriptor\r
+                .getBuiltInDataTypeDescriptor(jdbcTypeId, nullability));\r
+    }\r
+    \r
+    /**\r
+     * Create a system column for a builtin type.\r
+     * \r
+     * @param name\r
+     *            name of column\r
+     * @param jdbcTypeId\r
+     *            JDBC type id from java.sql.Types\r
+     * @param nullability\r
+     *            Whether or not column accepts nulls.\r
+     */\r
+    static SystemColumn getColumn(String name, int jdbcTypeId,\r
+            boolean nullability,int maxLength) {\r
+        return new SystemColumnImpl(name, DataTypeDescriptor\r
+                .getBuiltInDataTypeDescriptor(jdbcTypeId, nullability, maxLength));\r
+    }\r
+    \r
+    /**\r
+     * Create a system column for an identifer with consistent type of\r
+     * VARCHAR(128)\r
+     * \r
+     * @param name\r
+     *            Name of the column.\r
+     * @param nullability\r
+     *            Nullability of the column.\r
+     * @return Object representing the column.\r
+     */\r
+    static SystemColumn getIdentifierColumn(String name, boolean nullability) {\r
+        return new SystemColumnImpl(name, DataTypeDescriptor\r
+                .getBuiltInDataTypeDescriptor(Types.VARCHAR, nullability, 128));\r
+    }\r
+\r
+    /**\r
+     * Create a system column for a character representation of a UUID with\r
+     * consistent type of CHAR(36)\r
+     * \r
+     * @param name\r
+     *            Name of the column.\r
+     * @param nullability\r
+     *            Nullability of the column.\r
+     * @return Object representing the column.\r
+     */\r
+    static SystemColumn getUUIDColumn(String name, boolean nullability) {\r
+        return new SystemColumnImpl(name, DataTypeDescriptor\r
+                .getBuiltInDataTypeDescriptor(Types.CHAR, nullability, 36));\r
+    }\r
+\r
+    /**\r
+     * Create a system column for a character representation of an indicator\r
+     * column with consistent type of CHAR(1) NOT NULL\r
+     * \r
+     * @param name\r
+     *            Name of the column.\r
+     * @return Object representing the column.\r
+     */\r
+    static SystemColumn getIndicatorColumn(String name) {\r
+        return new SystemColumnImpl(name, DataTypeDescriptor\r
+                .getBuiltInDataTypeDescriptor(Types.CHAR, false, 1));\r
+    }\r
+\r
+    /**\r
+     * Create a system column for a java column.\r
+     * \r
+     * @param name\r
+     *            Name of the column.\r
+     * @param javaClassName\r
+     * @param nullability\r
+     *            Nullability of the column.\r
+     * @return Object representing the column.\r
+     */\r
+    static SystemColumn getJavaColumn(String name, String javaClassName,\r
+            boolean nullability) {\r
+\r
+        TypeId typeId = TypeId.getUserDefinedTypeId(javaClassName, false);\r
+\r
+        DataTypeDescriptor dtd = new DataTypeDescriptor(typeId, nullability);\r
+        return new SystemColumnImpl(name, dtd);\r
+    }\r
+\r
+    /**\r
+     * Create a SystemColumnImpl representing the given name and type.\r
+     */\r
+    private SystemColumnImpl(String name, DataTypeDescriptor type) {\r
+        this.name = name;\r
+        this.type = type;\r
+    }\r
+\r
+       /**\r
+        * Gets the name of this column.\r
+        *\r
+        * @return      The column name.\r
+        */\r
+       public String   getName()\r
+       {\r
+               return  name;\r
+       }\r
+\r
+    /**\r
+     * Return the type of this column.\r
+     */\r
+    public DataTypeDescriptor getType() {\r
+        return type;\r
+    }\r
+}\r
+\r