propdouble.java

来自「java开源的企业总线.xmlBlaster」· Java 代码 · 共 90 行

/*------------------------------------------------------------------------------
Name:      PropDouble.java
Project:   xmlBlaster.org
Copyright: xmlBlaster.org, see xmlBlaster-LICENSE file
------------------------------------------------------------------------------*/
package org.xmlBlaster.util.property;

import org.xmlBlaster.util.def.Constants;


/**
 * Base class for the various property data type implementations. 
 * @author [e-mail]
 */
public final class PropDouble extends PropEntry implements java.io.Serializable, Cloneable
{
   private double value;

   /**
    * Constructor for the default value
    */
   public PropDouble(double value) {
      super(null);
      this.value = value;
   }

   /**
    * Constructor for the default value
    */
   public PropDouble(String propName, double value) {
      super(propName);
      this.value = value;
   }

   /**
    * @return "double"
    */
   public final String getTypeString() {
      return "double";
   }

   /**
    * @return The value in String form
    */
   public final String getValueString() {
      return ""+this.value;
   }

   public void setValue(double value) {
      this.value = value;
      super.creationOrigin = CREATED_BY_SETTER;
   }

   /**
    * @param The new value as String type, will be converted to native type
    * @param creationOrigin e.g. PropEntry.CREATED_BY_JVMENV
    */
   public void setValue(String value, int creationOrigin) {
      if (value == null) return;
      setValue(Double.parseDouble(value), creationOrigin);
   }

   /**
    * @param creationOrigin e.g. PropEntry.CREATED_BY_JVMENV
    */
   public void setValue(double value, int creationOrigin) {
      this.value = value;
      super.creationOrigin = creationOrigin;
   }

   public double getValue() {
      return this.value;
   }

   /**
    * Returns a shallow clone, you can change savely all basic or immutable types
    * like boolean, String, int.
    * Currently RouteInfo is not cloned (so don't change it)
    */
   public Object clone() {
      return super.clone();
   }

   /** java org.xmlBlaster.util.property.PropDouble */
   public static void main(String[] args) {
      PropDouble lifeTime = new PropDouble("lifeTime", 123456.789);
      System.out.println(lifeTime.toXml());
   }
}