[Mulgara-svn] r1434 - branches/xa11/src/jar/resolver-store/java/org/mulgara/store/statement/xa11

[pag at mulgara.org]

Author: pag
Date: 2009-01-13 18:49:33 -0800 (Tue, 13 Jan 2009)
New Revision: 1434

Added:
   branches/xa11/src/jar/resolver-store/java/org/mulgara/store/statement/xa11/LiteralGraphTuples.java
Log:
A 1 column LiteralTuples that is also a StoreTuples

Added: branches/xa11/src/jar/resolver-store/java/org/mulgara/store/statement/xa11/LiteralGraphTuples.java
===================================================================
--- branches/xa11/src/jar/resolver-store/java/org/mulgara/store/statement/xa11/LiteralGraphTuples.java	                        (rev 0)
+++ branches/xa11/src/jar/resolver-store/java/org/mulgara/store/statement/xa11/LiteralGraphTuples.java	2009-01-14 02:49:33 UTC (rev 1434)
@@ -0,0 +1,61 @@
+/*
+ * The contents of this file are subject to the Open Software License
+ * Version 3.0 (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.opensource.org/licenses/osl-3.0.txt
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ */
+
+package org.mulgara.store.statement.xa11;
+
+import org.mulgara.query.TuplesException;
+import org.mulgara.store.statement.StatementStore;
+import org.mulgara.store.tuples.LiteralTuples;
+import org.mulgara.store.tuples.StoreTuples;
+
+/**
+ * A Tuples for representing a specified Graph.
+ *
+ * @created Jan 14, 2009
+ * @author Paul Gearon
+ * @copyright &copy; 2008 <a href="http://www.topazproject.org/">The Topaz Project</a>
+ * @licence <a href="{@docRoot}/../../LICENCE.txt">Open Software License v3.0</a>
+ */
+public class LiteralGraphTuples extends LiteralTuples implements StoreTuples {
+
+  static final String[] META_NAMES = new String[] { StatementStore.VARIABLES[StatementStore.VARIABLES.length - 1].getName() };
+
+  /**
+   * Creates a new literal tuples containing graphs.
+   * @param sorted
+   */
+  public LiteralGraphTuples(boolean sorted) {
+    super(META_NAMES, sorted);
+  }
+
+  /**
+   * Creates a new literal tuples containing graphs.
+   * @param sorted
+   */
+  public LiteralGraphTuples(long graph) {
+    super(META_NAMES, true);
+    try {
+      appendTuple(new long[] { graph });
+    } catch (TuplesException te) {
+      // should not happen
+      throw new AssertionError("Unable to add an element to an array");
+    }
+  }
+
+  /**
+   * @see org.mulgara.store.tuples.StoreTuples#getColumnOrder()
+   */
+  public int[] getColumnOrder() {
+    return new int[] { 0 };
+  }
+
+}