/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ha.framework.interfaces;
import java.util.ArrayList;
import org.jboss.ha.framework.interfaces.FamilyClusterInfo;
/**
* Default implementation of FamilyClusterInfo
*
* @see org.jboss.ha.framework.interfaces.FamilyClusterInfo
* @see org.jboss.ha.framework.interfaces.ClusteringTargetsRepository
*
* @author <a href="mailto:sacha.labourey@cogito-info.ch">Sacha Labourey</a>.
* @version $Revision: 57188 $
*/
public class FamilyClusterInfoImpl implements FamilyClusterInfo
{
// Constants -----------------------------------------------------
// Attributes ----------------------------------------------------
public String familyName = null;
ArrayList targets = null;
long currentViewId = 0;
boolean isViewMembersInSyncWithViewId = false;
int cursor = FamilyClusterInfo.UNINITIALIZED_CURSOR;
Object arbitraryObject = null;
// Static --------------------------------------------------------
// Constructors --------------------------------------------------
private FamilyClusterInfoImpl (){ }
protected FamilyClusterInfoImpl (String familyName, ArrayList targets, long viewId)
{
this.familyName = familyName;
this.targets = (ArrayList) targets.clone();
this.currentViewId = viewId;
this.isViewMembersInSyncWithViewId = false;
}
// Public --------------------------------------------------------
// FamilyClusterInfo implementation ----------------------------------------------
public String getFamilyName () { return this.familyName; }
/**
* Returns an immutable subclass of ArrayList.
*/
public synchronized ArrayList getTargets ()
{
return new ImmutableArrayList(this.targets);
}
public long getCurrentViewId () { return this.currentViewId; }
public int getCursor () { return this.cursor; }
public int setCursor (int cursor) { return (this.cursor = cursor);}
public Object getObject () { return this.arbitraryObject; }
public Object setObject (Object whatever) { this.arbitraryObject = whatever; return this.arbitraryObject; }
public ArrayList removeDeadTarget(Object target)
{
synchronized (this)
{
ArrayList tmp = (ArrayList) targets.clone();
tmp.remove (target);
this.targets = tmp;
this.isViewMembersInSyncWithViewId = false;
return new ImmutableArrayList(this.targets);
}
}
public ArrayList updateClusterInfo (ArrayList targets, long viewId)
{
synchronized (this)
{
this.targets = (ArrayList) targets.clone();
this.currentViewId = viewId;
this.isViewMembersInSyncWithViewId = true;
return new ImmutableArrayList(this.targets);
}
}
public boolean currentMembershipInSyncWithViewId ()
{
return this.isViewMembersInSyncWithViewId;
}
public void resetView ()
{
synchronized (this)
{
this.currentViewId = -1;
this.isViewMembersInSyncWithViewId = false;
}
}
// Object overrides ---------------------------------------------------
public int hashCode()
{
return this.familyName.hashCode ();
}
public boolean equals (Object o)
{
if (o instanceof FamilyClusterInfoImpl)
{
FamilyClusterInfoImpl fr = (FamilyClusterInfoImpl)o;
return fr.familyName == this.familyName;
}
else
return false;
}
public String toString()
{
StringBuffer tmp = new StringBuffer(super.toString());
tmp.append("{familyName=");
tmp.append(familyName);
tmp.append(",targets=");
tmp.append(targets);
tmp.append(",currentViewId=");
tmp.append(currentViewId);
tmp.append(",isViewMembersInSyncWithViewId=");
tmp.append(isViewMembersInSyncWithViewId);
tmp.append(",cursor=");
tmp.append(cursor);
tmp.append(",arbitraryObject=");
tmp.append(arbitraryObject);
tmp.append("}");
return tmp.toString();
}
// Package protected ---------------------------------------------
// Protected -----------------------------------------------------
// Private -------------------------------------------------------
// Inner classes -------------------------------------------------
}
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