/**
 *
 *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
 *
 *  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 org.apache.tuscany.das.rdb.impl;

import org.apache.tuscany.das.rdb.Converter;
import org.apache.tuscany.das.rdb.Parameter;

import commonj.sdo.Type;

public class ParameterImpl implements Parameter {

	private int index;
	private Type type;
	private String name;
	private Object value;
	private int direction = IN;
	private Converter converter;
	
	public ParameterImpl() {
		super();
	}

	public ParameterImpl(String name) {
		this.name = name;
	}

	public ParameterImpl(int index) {
		this.index = index;
	}

	public void setType(Type type) {
		this.type = type;
	}

	public void setIndex(int index) {
		if ( index == 0 ) 
			throw new RuntimeException("Index of zero not allowed");
		this.index = index;
	}

	public void setName(String name) {
		this.name = name;
	}

	public void setValue(Object value) {
		this.value = value;
	}

	public void setDirection(int direction) {
		this.direction = direction;
	}

	public Type getType() {
		return this.type;
	}

	public int getIndex() {
		return this.index;
	}

	public String getName() {
		return this.name;
	}

	public Object getValue() {
		if ( getConverter() != null ) {
			return getConverter().getColumnValue(this.value);
		} else {
			return this.value;
		}
	}

	public int getDirection() {
		return this.direction;
	}

	public void setConverter(Converter converter) {
		this.converter = converter;		
	}

	public Converter getConverter() {
		return this.converter;
	}


	public String toString() {
		StringBuffer buffer = new StringBuffer();
		buffer.append("Index: " + getIndex());
		buffer.append("\nName: " + getName());
		buffer.append("\nValue: " + getValue());
		return buffer.toString();
	}
}