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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.messagebus.network.rpc;
import com.yahoo.messagebus.network.ServiceAddress;
import com.yahoo.jrt.Spec;
/**
* Implements the {@link ServiceAddress} interface for the RPC network.
*
* @author <a href="mailto:havardpe@yahoo-inc.com">Haavard Pettersen</a>
*/
public class RPCServiceAddress implements ServiceAddress {
private final String serviceName;
private final String sessionName;
private final Spec connectionSpec;
private RPCTarget target;
/**
* Constructs a service address from the given specifications. The last component of the service is stored as the
* session name.
*
* @param serviceName The full service name of the address.
* @param connectionSpec The connection specification.
*/
public RPCServiceAddress(String serviceName, Spec connectionSpec) {
this.serviceName = serviceName;
int pos = serviceName.lastIndexOf('/');
sessionName = (pos > 0 && pos < serviceName.length() - 1)
? serviceName.substring(pos + 1)
: null;
this.connectionSpec = connectionSpec;
}
public RPCServiceAddress(String serviceName, String connectionSpec) {
this(serviceName, new Spec(connectionSpec));
}
public RPCServiceAddress(RPCServiceAddress blueprint) {
serviceName = blueprint.serviceName;
sessionName = blueprint.sessionName;
connectionSpec = blueprint.connectionSpec;
target = null;
}
@Override
public boolean equals(Object obj) {
if (obj == null || !(obj instanceof RPCServiceAddress)) {
return false;
}
RPCServiceAddress rhs = (RPCServiceAddress)obj;
if (!serviceName.equals(rhs.serviceName)) {
return false;
}
if (!connectionSpec.host().equals(rhs.connectionSpec.host())) {
return false;
}
if (connectionSpec.port() != rhs.connectionSpec.port()) {
return false;
}
if (!sessionName.equals(rhs.sessionName)) {
return false;
}
return true;
}
@Override
public int hashCode() {
return serviceName.hashCode() + connectionSpec.hashCode() + sessionName.hashCode();
}
/**
* Returns whether or not this service address is malformed.
*
* @return True if malformed.
*/
public boolean isMalformed() {
return sessionName == null || connectionSpec.malformed();
}
/**
* Returns the name of the remove service.
*
* @return The service name.
*/
public String getServiceName() {
return serviceName;
}
/**
* Returns the name of the remote session.
*
* @return The session name.
*/
public String getSessionName() {
return sessionName;
}
/**
* Returns the connection spec for the remote service.
*
* @return The connection spec.
*/
public Spec getConnectionSpec() {
return connectionSpec;
}
/**
* Sets the RPC target to be used when communicating with the remote service.
*
* @param target The target to set.
*/
public void setTarget(RPCTarget target) {
this.target = target;
}
/**
* Returns the RPC target to be used when communicating with the remove service.
*
* @return The target to use.
*/
public RPCTarget getTarget() {
return target;
}
}
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