1 files changed, 56 insertions, 0 deletions
diff --git a/org.eclipse.cdt.codan.core/src/org/eclipse/cdt/codan/internal/core/cfg/AbstractSingleIncomingNode.java b/org.eclipse.cdt.codan.core/src/org/eclipse/cdt/codan/internal/core/cfg/AbstractSingleIncomingNode.java
new file mode 100644
index 0000000..9054f2a
--- /dev/null
+++ b/org.eclipse.cdt.codan.core/src/org/eclipse/cdt/codan/internal/core/cfg/AbstractSingleIncomingNode.java
@@ -0,0 +1,56 @@
+/*******************************************************************************
+ * Copyright (c) 2010 Alena Laskavaia and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Alena Laskavaia - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.codan.internal.core.cfg;
+
+import org.eclipse.cdt.codan.core.model.cfg.IBasicBlock;
+import org.eclipse.cdt.codan.core.model.cfg.ISingleIncoming;
+
+/**
+ * Abstract node with one incoming arc (node)
+ * 
+ */
+public abstract class AbstractSingleIncomingNode extends AbstractBasicBlock
+		implements ISingleIncoming {
+	private IBasicBlock prev;
+
+	/**
+	 * Default constructor
+	 */
+	public AbstractSingleIncomingNode() {
+		super();
+	}
+
+	public IBasicBlock[] getIncomingNodes() {
+		return new IBasicBlock[] { prev };
+	}
+
+	public int getIncomingSize() {
+		return 1;
+	}
+
+	public IBasicBlock getIncoming() {
+		return prev;
+	}
+
+	/**
+	 * Sets the incoming node
+	 * 
+	 * @param prev
+	 */
+	public void setIncoming(IBasicBlock prev) {
+		this.prev = prev;
+	}
+
+	@Override
+	public void addIncoming(IBasicBlock node) {
+		setIncoming(node);
+	}
+}