/**
 * Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite
 * contributors
 *
 * This file is part of EvoSuite.
 *
 * EvoSuite is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3.0 of the License, or
 * (at your option) any later version.
 *
 * EvoSuite is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
 */
package org.evosuite.graphs.ccfg;

import org.evosuite.graphs.cfg.BytecodeInstruction;
public class CCFGMethodCallNode extends CCFGNode {

	private BytecodeInstruction callInstruction;
	private CCFGMethodReturnNode returnNode;
	
	/**
	 * <p>Constructor for CCFGMethodCallNode.</p>
	 *
	 * @param callInstruction a {@link org.evosuite.graphs.cfg.BytecodeInstruction} object.
	 * @param returnNode a {@link org.evosuite.graphs.ccfg.CCFGMethodReturnNode} object.
	 */
	public CCFGMethodCallNode(BytecodeInstruction callInstruction, CCFGMethodReturnNode returnNode) {
		this.callInstruction = callInstruction;
		this.returnNode = returnNode;
	}
	
	/**
	 * <p>getMethod</p>
	 *
	 * @return a {@link java.lang.String} object.
	 */
	public String getMethod() {
		return callInstruction.getMethodName();
	}
	
	/**
	 * <p>getCalledMethod</p>
	 *
	 * @return a {@link java.lang.String} object.
	 */
	public String  getCalledMethod() {
		return callInstruction.getCalledMethod();
	}
	
	/**
	 * <p>Getter for the field <code>callInstruction</code>.</p>
	 *
	 * @return a {@link org.evosuite.graphs.cfg.BytecodeInstruction} object.
	 */
	public BytecodeInstruction getCallInstruction() {
		return callInstruction;
	}
	
	/**
	 * <p>Getter for the field <code>returnNode</code>.</p>
	 *
	 * @return a {@link org.evosuite.graphs.ccfg.CCFGMethodReturnNode} object.
	 */
	public CCFGMethodReturnNode getReturnNode() {
		return returnNode;
	}

	/** {@inheritDoc} */
	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result
				+ ((callInstruction == null) ? 0 : callInstruction.hashCode());
		result = prime * result
				+ ((returnNode == null) ? 0 : returnNode.hashCode());
		return result;
	}

	/** {@inheritDoc} */
	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		CCFGMethodCallNode other = (CCFGMethodCallNode) obj;
		if (callInstruction == null) {
			if (other.callInstruction != null)
				return false;
		} else if (!callInstruction.equals(other.callInstruction))
			return false;
		if (returnNode == null) {
			if (other.returnNode != null)
				return false;
		} else if (!returnNode.equals(other.returnNode))
			return false;
		return true;
	}

	/** {@inheritDoc} */
	@Override
	public String toString() {
		return "CALL from "+callInstruction.toString();
	}
}