diff --git a/src/org/ntlab/deltaExtractor/ObjectIdPair.java b/src/org/ntlab/deltaExtractor/ObjectIdPair.java
new file mode 100644
index 0000000..b9bc5ae
--- /dev/null
+++ b/src/org/ntlab/deltaExtractor/ObjectIdPair.java
@@ -0,0 +1,21 @@
+package org.ntlab.deltaExtractor;
+
+import java.util.AbstractMap.SimpleEntry;
+
+public class ObjectIdPair {
+	private SimpleEntry<String, String> objIdPair;
+	private boolean isSrcSideChanged;
+	
+	public ObjectIdPair(String fromObjId, String toObjId, boolean isSrcSideChanged) {
+		this.objIdPair = new SimpleEntry<>(fromObjId, toObjId);
+		this.isSrcSideChanged = isSrcSideChanged;
+	}
+
+	public SimpleEntry<String, String> getObjIdPair() {
+		return this.objIdPair;
+	}
+
+	public boolean getIsSrcSideChanged() {
+		return this.isSrcSideChanged;
+	}
+}
\ No newline at end of file