diff --git a/hyracks/hyracks-control-cc/.classpath b/hyracks/hyracks-control-cc/.classpath
index ebe2cde..fb2f7c1 100644
--- a/hyracks/hyracks-control-cc/.classpath
+++ b/hyracks/hyracks-control-cc/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" path="src/main/java"/>
-	<classpathentry kind="src" path="src/main/resources"/>
+	<classpathentry kind="src" output="target/classes" path="src/main/java"/>
+	<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
 	<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
 	<classpathentry kind="output" path="target/classes"/>
diff --git a/hyracks/hyracks-control-common/.classpath b/hyracks/hyracks-control-common/.classpath
index 88cebb7..1f3c1ff 100644
--- a/hyracks/hyracks-control-common/.classpath
+++ b/hyracks/hyracks-control-common/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" path="src/main/java"/>
+	<classpathentry kind="src" output="target/classes" path="src/main/java"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
 	<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
 	<classpathentry kind="output" path="target/classes"/>
diff --git a/hyracks/hyracks-control-nc/.classpath b/hyracks/hyracks-control-nc/.classpath
index d6e81da..1f3c1ff 100644
--- a/hyracks/hyracks-control-nc/.classpath
+++ b/hyracks/hyracks-control-nc/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" path="src/main/java"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="src" output="target/classes" path="src/main/java"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
 	<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
 	<classpathentry kind="output" path="target/classes"/>
 </classpath>
diff --git a/hyracks/hyracks-storage-common/src/main/java/edu/uci/ics/hyracks/storage/common/file/IFileMappingProvider.java b/hyracks/hyracks-storage-common/src/main/java/edu/uci/ics/hyracks/storage/common/file/IFileMappingProvider.java
new file mode 100644
index 0000000..74370c8
--- /dev/null
+++ b/hyracks/hyracks-storage-common/src/main/java/edu/uci/ics/hyracks/storage/common/file/IFileMappingProvider.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2009-2010 by The Regents of the University of California
+ * 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 from
+ * 
+ *     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 edu.uci.ics.hyracks.storage.common.file;
+
+import java.io.Serializable;
+
+public interface IFileMappingProvider extends Serializable {
+    /**
+     * Provide the mapping from a file name to an integer id.
+     * 
+     * @param name
+     *            - Name of the file
+     * @param create
+     *            - Indicate if a new mapping should be created if one does not exist
+     * @return The file id on a successful lookup, null if unsuccessful.
+     */
+    public Integer mapNameToFileId(String name, boolean create);
+}
\ No newline at end of file