1 files changed, 123 insertions, 0 deletions
diff --git a/das-java/trunk/rdb/src/main/java/org/apache/tuscany/das/rdb/graphbuilder/impl/TableData.java b/das-java/trunk/rdb/src/main/java/org/apache/tuscany/das/rdb/graphbuilder/impl/TableData.java
new file mode 100644
index 0000000000..a99f7ff12f
--- /dev/null
+++ b/das-java/trunk/rdb/src/main/java/org/apache/tuscany/das/rdb/graphbuilder/impl/TableData.java
@@ -0,0 +1,123 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.graphbuilder.impl;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.log4j.Logger;
+
+public final class TableData {
+    private static final Logger logger = Logger.getLogger(TableData.class);
+
+    private Map columnData;
+
+    private List primaryKey;;
+
+    private final String name;
+    
+    private int index = 0;
+
+    private boolean hasValidPrimaryKey = true;
+
+    private boolean hasNullPrimaryKey = false;
+    
+    public TableData(String tableName) {
+        if (this.logger.isDebugEnabled()) {
+            this.logger.debug("Creating TableData for table " + tableName);
+        }
+
+        this.name = tableName;
+        this.columnData = new HashMap();
+        this.primaryKey = new ArrayList();
+    }
+    
+    public TableData(String tableName, int index) {
+    	this(tableName);
+    	this.index = index;
+    }
+    
+    public void clear() {
+    	columnData.clear();
+    	primaryKey.clear();
+    	hasValidPrimaryKey = true;
+    	hasNullPrimaryKey = false;
+    }
+
+    public void addData(String columnName, boolean isPrimaryKeyColumn, Object data) {
+        if (this.logger.isDebugEnabled()) {
+            this.logger.debug("Adding column " + columnName + " with value " + data);
+        }
+
+        if(data != null)
+        	columnData.put(columnName, data);
+        if (isPrimaryKeyColumn) {
+            if (data == null) {
+                if (this.logger.isDebugEnabled()) {
+                    this.logger.debug("Column " + columnName + " is a primary key column and is null");
+                }
+            	hasNullPrimaryKey = true;
+                //hasValidPrimaryKey = false; - if uncommented and JIRA-1464, RecursiveTests.testReadEngineParts() will fail
+            } else {
+            	primaryKey.add(data);
+            }
+        }
+    }
+
+    public Object getColumnData(String columnName) {
+        return columnData.get(columnName);
+    }
+
+    public String getTableName() {
+        return this.name;
+    }
+    
+    public int getIndex() {
+    	return index;
+    }
+
+    /**
+     * @return
+     */
+    public List getPrimaryKeyValues() {
+    	// the primary key is kept in the table registry
+    	// so return a copy to prevent deletion
+    	List primaryKeyCopy = new ArrayList(primaryKey.size());
+    	primaryKeyCopy.addAll(primaryKey);
+        return primaryKeyCopy;
+    }
+
+    public boolean hasValidPrimaryKey() {
+        return hasValidPrimaryKey;
+    }
+    
+    public void setValidPrimaryKey(boolean hasValidPK){
+    	this.hasValidPrimaryKey = hasValidPK;
+    }
+    
+    public boolean isTableEmpty(){
+    	return columnData.keySet().isEmpty();
+    }
+    
+    public boolean hasNullPrimaryKey(){
+    	return this.hasNullPrimaryKey;
+    }    
+}