/**
 * (C) Copyright IBM Corp. 2010, 2015
 *
 * 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 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 com.ibm.bi.dml.runtime.instructions.cp;

import com.ibm.bi.dml.lops.Lop;
import com.ibm.bi.dml.parser.Expression.*;
import com.ibm.bi.dml.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 set_name(String name) {
		_name = name;
	}
	
	public void setValueType(ValueType vt) {
		_valueType = vt;
	}
	
	public void setDataType(DataType dt) {
		_dataType = dt;
	}
	
	public void set_literal(boolean literal) {
		_isLiteral = literal;
	}
	
	public void split_by_value_type_prefix ( String str ) {
		String[] opr = str.split(Lop.VALUETYPE_PREFIX);
		_name = opr[0];
		_valueType = ValueType.valueOf(opr[1]);
	}

	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();
	}
}