/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.net.socket;
import java.util.List;
import java.util.Properties;
import org.teiid.client.security.LogonResult;
import org.teiid.net.HostInfo;
import org.teiid.net.TeiidURL;
/**
* Simple URL discovery strategy with a random load balancing policy
* TOOD: add black listing support
*/
public class UrlServerDiscovery implements ServerDiscovery {
private TeiidURL url;
public UrlServerDiscovery() {
}
public UrlServerDiscovery(TeiidURL url) {
this.url = url;
}
@Override
public List<HostInfo> getKnownHosts(LogonResult result,
SocketServerInstance instance) {
return url.getHostInfo();
}
@Override
public void init(TeiidURL url, Properties p) {
this.url = url;
}
@Override
public void connectionSuccessful(HostInfo info) {
}
@Override
public void markInstanceAsBad(HostInfo info) {
}
@Override
public void shutdown() {
}
@Override
public HostInfo selectNextInstance(List<HostInfo> hosts) {
return hosts.remove((int) (Math.random() * hosts.size()));
}
}