/**
* Copyright 2011 LiveRamp
*
* 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.
*/
package com.liveramp.hank.test.coordinator;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import com.liveramp.hank.coordinator.AbstractRingGroup;
import com.liveramp.hank.coordinator.DomainGroup;
import com.liveramp.hank.coordinator.PartitionServerAddress;
import com.liveramp.hank.coordinator.Ring;
import com.liveramp.hank.coordinator.RingGroup;
import com.liveramp.hank.coordinator.RingGroupDataLocationChangeListener;
import com.liveramp.hank.generated.ClientMetadata;
import com.liveramp.hank.ring_group_conductor.RingGroupConductorMode;
import com.liveramp.hank.zookeeper.WatchedNodeListener;
public class MockRingGroup extends AbstractRingGroup implements RingGroup {
private final DomainGroup dcg;
private final Set<Ring> ringConfigs;
private RingGroupConductorMode ringGroupConductorMode = null;
private List<WatchedNodeListener<RingGroupConductorMode>> ringGroupConductorModeListeners
= new ArrayList<WatchedNodeListener<RingGroupConductorMode>>();
private List<RingGroupDataLocationChangeListener> ringGroupDataLocationChangeListeners
= new ArrayList<RingGroupDataLocationChangeListener>();
private final List<ClientMetadata> clients = new ArrayList<ClientMetadata>();
public MockRingGroup(DomainGroup dcg,
String name,
Set<Ring> ringConfigs) {
super(name);
this.dcg = dcg;
this.ringConfigs = ringConfigs;
}
@Override
public DomainGroup getDomainGroup() {
return dcg;
}
@Override
public Ring getRing(int ringNumber) {
return null;
}
@Override
public Ring getRingForHost(PartitionServerAddress hostAddress) {
return null;
}
@Override
public Set<Ring> getRings() {
return ringConfigs;
}
@Override
public boolean claimRingGroupConductor(RingGroupConductorMode mode) {
ringGroupConductorMode = mode;
notifyRingGroupConductorModeListeners();
return true;
}
@Override
public void releaseRingGroupConductor() {
ringGroupConductorMode = null;
notifyRingGroupConductorModeListeners();
}
@Override
public RingGroupConductorMode getRingGroupConductorMode() throws IOException {
return ringGroupConductorMode;
}
@Override
public void setRingGroupConductorMode(RingGroupConductorMode mode) throws IOException {
ringGroupConductorMode = mode;
notifyRingGroupConductorModeListeners();
}
private void notifyRingGroupConductorModeListeners() {
for (WatchedNodeListener<RingGroupConductorMode> listener : ringGroupConductorModeListeners) {
listener.onWatchedNodeChange(ringGroupConductorMode);
}
}
@Override
public void addDataLocationChangeListener(RingGroupDataLocationChangeListener listener) {
ringGroupDataLocationChangeListeners.add(listener);
}
@Override
public void removeDataLocationChangeListener(RingGroupDataLocationChangeListener listener) {
ringGroupDataLocationChangeListeners.remove(listener);
}
@Override
public Ring addRing(int ringNum) throws IOException {
return null;
}
@Override
public boolean removeRing(int ringNum) throws IOException {
return false;
}
@Override
public void addRingGroupConductorModeListener(WatchedNodeListener<RingGroupConductorMode> listener) {
ringGroupConductorModeListeners.add(listener);
}
@Override
public void removeRingGroupConductorModeListener(WatchedNodeListener<RingGroupConductorMode> listener) {
ringGroupConductorModeListeners.remove(listener);
}
@Override
public void registerClient(ClientMetadata client) throws IOException {
clients.add(client);
}
@Override
public List<ClientMetadata> getClients() {
return clients;
}
@Override
public boolean isRingGroupConductorOnline() throws IOException {
return ringGroupConductorMode != null;
}
}