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package com.topologi.diffx.event.impl;

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import com.topologi.diffx.event.DiffXEvent;
import com.topologi.diffx.xml.esc.XMLEscape;
import com.topologi.diffx.xml.esc.XMLEscapeUTF8;

/**
 * A base class for DiffX events.
 * 
 * 

This class is purely provided for convenience and consistency, it is best, * althouhg not strictly required, that most DiffXEvent implementations * extend this class. * * @author Christophe Lauret * @version 3 February 2005 */ abstract class DiffXEventBase implements DiffXEvent { /** * For use by the events to escape XML chars. */ static final XMLEscape ESC = XMLEscapeUTF8.UTF8_ESCAPE; /** * */ int weight = 1; /** * @see java.lang.Object#hashCode() */ // public abstract int hashCode(); /** * Implementation must implement this method. * * @see DiffXEvent#equals(DiffXEvent) */ public abstract boolean equals(DiffXEvent e); /** * Invokes the {@link DiffXEvent#equals(DiffXEvent)} method if the specified * object if not null and is an instance of {@link DiffXEvent}. * * @param o The object to compare. * * @return true if the specified object is equal; * false otherwise. */ public final boolean equals(Object o) { if (o == null) return false; if (!(o instanceof DiffXEvent)) return false; return equals((DiffXEvent)o); } /** * @see com.topologi.diffx.xml.XMLFormattable#toXML() */ public String toXML() { return this.toXML(new StringBuffer()).toString(); } /** * @see DiffXEvent#getWeight() */ public int getWeight() { return this.weight; } /** * @see DiffXEvent#setWeight(int) */ public void setWeight(int weight) { this.weight = weight; } }





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