diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataset/Page.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataset/Page.java
new file mode 100644
index 0000000..7275dfd
--- /dev/null
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataset/Page.java
@@ -0,0 +1,33 @@
+/*
+ * 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.api.dataset;
+
+import java.nio.ByteBuffer;
+
+public class Page {
+    private final ByteBuffer buffer;
+
+    public Page(ByteBuffer buffer) {
+        this.buffer = buffer;
+    }
+
+    public ByteBuffer getBuffer() {
+        return buffer;
+    }
+
+    public ByteBuffer clear() {
+        return (ByteBuffer) buffer.clear();
+    }
+}
diff --git a/hyracks/hyracks-control/hyracks-control-nc/src/main/java/edu/uci/ics/hyracks/control/nc/dataset/ResultState.java b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/edu/uci/ics/hyracks/control/nc/dataset/ResultState.java
new file mode 100644
index 0000000..d2e86bc
--- /dev/null
+++ b/hyracks/hyracks-control/hyracks-control-nc/src/main/java/edu/uci/ics/hyracks/control/nc/dataset/ResultState.java
@@ -0,0 +1,170 @@
+/*
+ * 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.control.nc.dataset;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import edu.uci.ics.hyracks.api.dataflow.state.IStateObject;
+import edu.uci.ics.hyracks.api.dataset.Page;
+import edu.uci.ics.hyracks.api.io.FileReference;
+import edu.uci.ics.hyracks.api.io.IIOManager;
+import edu.uci.ics.hyracks.api.job.JobId;
+import edu.uci.ics.hyracks.api.partitions.ResultSetPartitionId;
+
+public class ResultState implements IStateObject {
+    private final ResultSetPartitionId resultSetPartitionId;
+
+    private final int frameSize;
+
+    private final IIOManager ioManager;
+
+    private final AtomicBoolean eos;
+
+    private final AtomicBoolean readEOS;
+
+    private final List<Page> localPageList;
+
+    private FileReference fileRef;
+
+    private long size;
+
+    private long persistentSize;
+
+    ResultState(ResultSetPartitionId resultSetPartitionId, IIOManager ioManager, int frameSize) {
+        this.resultSetPartitionId = resultSetPartitionId;
+        this.ioManager = ioManager;
+        this.frameSize = frameSize;
+        eos = new AtomicBoolean(false);
+        readEOS = new AtomicBoolean(false);
+        localPageList = new ArrayList<Page>();
+    }
+
+    public void init(FileReference fileRef) {
+        this.fileRef = fileRef;
+
+        size = 0;
+        persistentSize = 0;
+    }
+
+    public ResultSetPartitionId getResultSetPartitionId() {
+        return resultSetPartitionId;
+    }
+
+    public int getFrameSize() {
+        return frameSize;
+    }
+
+    public IIOManager getIOManager() {
+        return ioManager;
+    }
+
+    public synchronized void incrementSize(long delta) {
+        size += delta;
+    }
+
+    public synchronized long getSize() {
+        return size;
+    }
+
+    public synchronized void incrementPersistentSize(long delta) {
+        persistentSize += delta;
+    }
+
+    public synchronized long getPersistentSize() {
+        return persistentSize;
+    }
+
+    public void setEOS(boolean eos) {
+        this.eos.set(eos);
+    }
+
+    public boolean getEOS() {
+        return eos.get();
+    }
+
+    public boolean getReadEOS() {
+        return readEOS.get();
+    }
+
+    public synchronized void addPage(Page page) {
+        localPageList.add(page);
+    }
+
+    public synchronized Page removePage(int index) {
+        Page page = null;
+        if (!localPageList.isEmpty()) {
+            page = localPageList.remove(index);
+        }
+        return page;
+    }
+
+    public synchronized Page getPage(int index) {
+        Page page = null;
+        if (!localPageList.isEmpty()) {
+            page = localPageList.get(index);
+        }
+        return page;
+    }
+
+    public synchronized Page getLastPage() {
+        Page page = null;
+        if (!localPageList.isEmpty()) {
+            page = localPageList.get(localPageList.size() - 1);
+        }
+        return page;
+    }
+
+    public synchronized Page getFirstPage() {
+        Page page = null;
+        if (!localPageList.isEmpty()) {
+            page = localPageList.get(0);
+        }
+        return page;
+    }
+
+    public FileReference getFileReference() {
+        return fileRef;
+    }
+
+    @Override
+    public JobId getJobId() {
+        return resultSetPartitionId.getJobId();
+    }
+
+    @Override
+    public Object getId() {
+        return resultSetPartitionId;
+    }
+
+    @Override
+    public long getMemoryOccupancy() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void toBytes(DataOutput out) throws IOException {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void fromBytes(DataInput in) throws IOException {
+        throw new UnsupportedOperationException();
+    }
+}
\ No newline at end of file