1 files changed, 58 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/Key.java b/sca-java-1.x/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/Key.java
new file mode 100644
index 0000000000..4622b2a8fb
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+++ b/sca-java-1.x/tags/java-stable-20060304/das/rdb/src/main/java/org/apache/tuscany/das/rdb/Key.java
@@ -0,0 +1,58 @@
+/**
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.apache.tuscany.das.rdb;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A key instance is used to describe a Table key definition.  This is used
+ * primarily for compound keys since simple keys are described with a name.
+ * 
+ * 
+ */public class Key {
+	
+	private List columnNames = new ArrayList();
+
+	/**
+	 * Contructor for a single column key
+	 * @param columnName The single column fo rthe key
+	 */
+	public Key(String columnName) {
+		super();
+		this.columnNames.add(columnName);
+	}
+	
+	/**
+	 * Constructor for a compound key
+	 * @param columns The array of column names that compose the key
+	 */
+	public Key(String[] columns) {
+		for (int i=0;i<columns.length; i++) {
+			this.columnNames.add(columns[i]);
+		}
+	}
+
+	/**
+	 * Returns a List of column names that compose the key
+	 * @return a list of column names
+	 */
+	public List getColumNames() {
+		return this.columnNames;
+	}
+	
+}