2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.openflowplugin.api.openflow.role;
10 import java.util.concurrent.Future;
11 import org.opendaylight.controller.md.sal.common.api.clustering.CandidateAlreadyRegisteredException;
12 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
13 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
16 * Created by kramesha on 9/12/15.
18 public interface RoleContext extends RoleChangeListener, RequestContextStack {
20 void setTxLockOwned(boolean txLockOwned);
23 * Initialization method is responsible for a registration of
24 * {@link org.opendaylight.controller.md.sal.common.api.clustering.Entity} and listen for notification from service.
25 * {@link Future} returned object is used primary
26 * for new connection initialization phase where we have to wait for actual Role.
27 * The {@link Future} has to be canceled if device is in disconnected state or when
28 * {@link org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService} returns
29 * {@link org.opendaylight.controller.md.sal.common.api.clustering.CandidateAlreadyRegisteredException}
31 void initialization() throws CandidateAlreadyRegisteredException;
34 * Transaction Candidate will provide safe way to correctly finish TxChainManager from
35 * last Node Master. It means only Master of TxEntity could hold TxChainFactory and
36 * active TransactionChain to write Data to Distributed DataStore.
38 void setupTxCandidate() throws CandidateAlreadyRegisteredException;
41 * UnregistrationTxCandidate from OwnershipService
43 void suspendTxCandidate();
48 DeviceContext getDeviceContext();
50 boolean isTxLockOwned();