ListCacheKey.java |
/* * JBoss, the OpenSource J2EE webOS * * Distributable under LGPL license. * See terms of license at gnu.org. */ package org.jboss.ejb; import java.io.ObjectOutput; import java.io.ObjectInput; import java.io.IOException; /** * ListCacheKey extends {@link CacheKey} and holds info about the List that the entity belongs to, * it is used with CMP 2.0 for reading ahead. * * @author <a href="mailto:on@ibis.odessa.ua">Oleg Nitz</a> * @version $Revision: 1.4 $ */ public final class ListCacheKey extends CacheKey { // Constants ----------------------------------------------------- // Attributes ---------------------------------------------------- /** * The list id. */ private long listId; /** * The index of this entity in the list. */ private int index; // Static -------------------------------------------------------- // Public -------------------------------------------------------- public ListCacheKey() { // For externalization only } /** * @param listId The list id. * @param index The index of this entity in the list. */ public ListCacheKey(Object id, long listId, int index) { super(id); this.listId = listId; this.index = index; } public long getListId() { return listId; } public int getIndex() { return index; } // Z implementation ---------------------------------------------- // Package protected --------------------------------------------- // Protected ----------------------------------------------------- // Private ------------------------------------------------------- public void writeExternal(ObjectOutput out) throws IOException { super.writeExternal(out); out.writeLong(listId); out.writeInt(index); } public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { super.readExternal(in); listId = in.readLong(); index = in.readInt(); } // Inner classes ------------------------------------------------- }
ListCacheKey.java |