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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2000-2009. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*/
package com.ericsson.otp.erlang;
/**
* <p>
* Provides a callback mechanism for receiving status change information about
* other nodes in the system. Register an instance of this class (or a subclass)
* with your {@link OtpNode OtpNode} when you wish to be notified about such
* status changes and other similar events.
* </p>
*
* <p>
* This class provides default handers that ignore all events. Applications are
* expected to extend this class in order to act on events that are deemed
* interesting.
* </p>
*
* <p>
* <b> Note that this class is likely to change in the near future </b>
* </p>
*/
public class OtpNodeStatus {
public OtpNodeStatus() {
}
/**
* Notify about remote node status changes.
*
* @param node
* the node whose status change is being indicated by this call.
*
* @param up
* true if the node has come up, false if it has gone down.
*
* @param info
* additional info that may be available, for example an
* exception that was raised causing the event in question (may
* be null).
*
*/
public void remoteStatus(final String node, final boolean up,
final Object info) {
}
/**
* Notify about local node exceptions.
*
* @param node
* the node whose status change is being indicated by this call.
*
* @param up
* true if the node has come up, false if it has gone down.
*
* @param info
* additional info that may be available, for example an
* exception that was raised causing the event in question (may
* be null).
*/
public void localStatus(final String node, final boolean up,
final Object info) {
}
/**
* Notify about failed connection attempts.
*
* @param node
* The name of the remote node
*
* @param incoming
* The direction of the connection attempt, i.e. true for
* incoming, false for outgoing.
*
* @param info
* additional info that may be available, for example an
* exception that was raised causing the event in question (may
* be null).
*/
public void connAttempt(final String node, final boolean incoming,
final Object info) {
}
}
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