--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/dancres/blitz/entry/ci/ArrayLocatorImpl.java	Sat Mar 21 11:00:06 2009 +0000
@@ -0,0 +1,52 @@
+package org.dancres.blitz.entry.ci;
+
+import java.io.IOException;
+
+import org.dancres.blitz.oid.OID;
+
+import org.dancres.blitz.entry.TupleLocator;
+
+/**
+   Used by CacheIndexer.
+ */
+public class ArrayLocatorImpl implements TupleLocator {
+    private Object[] theOIDs;
+    private int theIndex = 0;
+    private OID theCurrent;
+
+    public static TupleLocator EMPTY_LOCATOR =
+        new ArrayLocatorImpl(new OID[0]);
+
+    ArrayLocatorImpl(Object[] aListOfOIDs) {
+        theOIDs = aListOfOIDs;
+    }
+
+    /**
+       Invoke this to load the next matching Tuple.
+
+       @return <code>true</code> if there was a tuple, <code>false</code>
+       otherwise
+     */
+    public boolean fetchNext() throws IOException {
+        if (theIndex >= theOIDs.length)
+            return false;
+
+        theCurrent = (OID) theOIDs[theIndex++];
+        return true;
+    }
+
+    /**
+       @return the OID of the tuple just fetched with
+       <code>fetchNext</code>
+     */
+    public OID getOID() {
+        return theCurrent;
+    }
+
+    /**
+       When you've finished with the TupleLocator instance, call release.
+     */
+    public void release() throws IOException {
+        // System.out.println("Iterated: " + theIndex);
+    }
+}