IntValue.java

/**************************************************************************************
 * Copyright (C) 2008 EsperTech, Inc. All rights reserved.                            *
 * http://esper.codehaus.org                                                          *
 * http://www.espertech.com                                                           *
 * ---------------------------------------------------------------------------------- *
 * The software in this package is published under the terms of the GPL license       *
 * a copy of which has been included with this distribution in the license.txt file.  *
 **************************************************************************************/
package com.espertech.esper.type;

/**
 * Placeholder for an integer value in an event expression.
 */
public final class IntValue extends PrimitiveValueBase
{
    private Integer intValue;

    /**
     * Constructor.
     */
    public IntValue()
    {
    }

    /**
     * Constructor.
     * @param intValue is the value to set to
     */
    public IntValue(Integer intValue)
    {
        this.intValue = intValue;
    }

    public PrimitiveValueType getType()
    {
        return PrimitiveValueType.INTEGER;
    }

    /**
     * Parse the string array returning a int array.
     * @param values - string array
     * @return typed array
     */
    public static int[] parseString(String[] values)
    {
        int[] result = new int[values.length];
        for (int i = 0; i < result.length; i++)
        {
            result[i] = parseString(values[i]);
        }
        return result;
    }

    /**
     * Parse string value returning a int.
     * @param value to parse
     * @return parsed value
     */
    public static int parseString(String value)
    {
        return Integer.parseInt(value);
    }

    public final void parse(String value)
    {
        intValue = Integer.parseInt(value);
    }

    public final Object getValueObject()
    {
        return intValue;
    }

    public final void setInt(int x)
    {
        this.intValue = x;
    }

    public final String toString()
    {
        if (intValue == null)
        {
            return "null";
        }
        return intValue.toString();
    }
}