/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 at
 * 
 *   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 org.apache.sysml.runtime.instructions.cp;

import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
import org.apache.sysml.parser.Expression.DataType;
import org.apache.sysml.parser.Expression.ValueType;
import org.apache.sysml.runtime.instructions.Instruction;


public class CPOperand 
{
	
	private String _name;
	private ValueType _valueType;
	private DataType _dataType;
	private boolean _isLiteral;
	
	public CPOperand() {
		this("", ValueType.UNKNOWN, DataType.UNKNOWN);
	}

	public CPOperand(String str) {
		this("", ValueType.UNKNOWN, DataType.UNKNOWN);
		split(str);
	}
	
	public CPOperand(String name, ValueType vt, DataType dt ) {
		this(name, vt, dt, false);
	}
	
	public CPOperand(String name, ValueType vt, DataType dt, boolean literal ) {
		_name = name;
		_valueType = vt;
		_dataType = dt;
		_isLiteral = literal;
	}
	
	public String getName() {
		return _name;
	}
	
	public ValueType getValueType() {
		return _valueType;
	}
	
	public DataType getDataType() {
		return _dataType;
	}
	
	public boolean isLiteral() {
		return _isLiteral;
	}
	
	public void setName(String name) {
		_name = name;
	}
	
	public void setValueType(ValueType vt) {
		_valueType = vt;
	}
	
	public void setDataType(DataType dt) {
		_dataType = dt;
	}
	
	public void setLiteral(boolean literal) {
		_isLiteral = literal;
	}

	public void split(String str){
		String[] opr = str.split(Instruction.VALUETYPE_PREFIX);
		if ( opr.length == 4 ) {
			_name = opr[0];
			_dataType = DataType.valueOf(opr[1]);
			_valueType = ValueType.valueOf(opr[2]);
			_isLiteral = Boolean.parseBoolean(opr[3]);
		}
		else if ( opr.length == 3 ) {
			_name = opr[0];
			_dataType = DataType.valueOf(opr[1]);
			_valueType = ValueType.valueOf(opr[2]);
			_isLiteral = false;
		}
		else {
			_name = opr[0];
			_valueType = ValueType.valueOf(opr[1]);
		}
	}

	public void copy(CPOperand o){
		_name = o.getName();
		_valueType = o.getValueType();
		_dataType = o.getDataType();
	}

	@Override
	public String toString() {
		return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE);
	}

}