package org.infinispan.remoting.transport.jgroups;
import org.infinispan.commons.marshall.AdvancedExternalizer;
import org.infinispan.marshall.core.Ids;
import org.infinispan.remoting.transport.TopologyAwareAddress;
import org.jgroups.util.ExtendedUUID;
import org.jgroups.util.Util;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Collections;
import java.util.Set;
/**
* An encapsulation of a JGroups Address
*
* @author Bela Ban
* @since 5.0
*/
public final class JGroupsTopologyAwareAddress extends JGroupsAddress implements TopologyAwareAddress {
protected static final byte[] SITE_ID = Util.stringToBytes("site-id");
protected static final byte[] RACK_ID = Util.stringToBytes("rack-id");
protected static final byte[] MACHINE_ID = Util.stringToBytes("machine-id");
private final ExtendedUUID topologyAddress;
public JGroupsTopologyAwareAddress(ExtendedUUID address) {
super(address);
topologyAddress = address;
}
@Override
public String getSiteId() {
return Util.bytesToString(topologyAddress.get(SITE_ID));
}
@Override
public String getRackId() {
return Util.bytesToString(topologyAddress.get(RACK_ID));
}
@Override
public String getMachineId() {
return Util.bytesToString(topologyAddress.get(MACHINE_ID));
}
@Override
public boolean isSameSite(TopologyAwareAddress addr) {
return getSiteId() == null ? addr.getSiteId() == null : getSiteId().equals(addr.getSiteId());
}
@Override
public boolean isSameRack(TopologyAwareAddress addr) {
if (!isSameSite(addr))
return false;
return getRackId() == null ? addr.getRackId() == null : getRackId().equals(addr.getRackId());
}
@Override
public boolean isSameMachine(TopologyAwareAddress addr) {
if (!isSameRack(addr))
return false;
return getMachineId() == null ? addr.getMachineId() == null : getMachineId().equals(addr.getMachineId());
}
public static final class Externalizer implements AdvancedExternalizer<JGroupsTopologyAwareAddress> {
@Override
public void writeObject(ObjectOutput output, JGroupsTopologyAwareAddress address) throws IOException {
try {
org.jgroups.util.Util.writeAddress(address.address, output);
} catch (Exception e) {
throw new IOException(e);
}
}
@Override
public JGroupsTopologyAwareAddress readObject(ObjectInput unmarshaller) throws IOException, ClassNotFoundException {
try {
ExtendedUUID jgroupsAddress = (ExtendedUUID) org.jgroups.util.Util.readAddress(unmarshaller);
return new JGroupsTopologyAwareAddress(jgroupsAddress);
} catch (Exception e) {
throw new IOException(e);
}
}
@Override
public Set<Class<? extends JGroupsTopologyAwareAddress>> getTypeClasses() {
return Collections.<Class<? extends JGroupsTopologyAwareAddress>>singleton(JGroupsTopologyAwareAddress.class);
}
@Override
public Integer getId() {
return Ids.JGROUPS_TOPOLOGY_AWARE_ADDRESS;
}
}
}