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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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package org.apache.sling.discovery.impl.topology;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import junitx.util.PrivateAccessor;
import org.apache.sling.discovery.ClusterView;
import org.apache.sling.discovery.InstanceDescription;
import org.apache.sling.discovery.TopologyView;
import org.apache.sling.discovery.impl.common.DefaultClusterViewImpl;
import org.apache.sling.discovery.impl.common.DefaultInstanceDescriptionImpl;
import org.apache.sling.discovery.impl.setup.Instance;
public class TopologyTestHelper {
public static TopologyViewImpl createTopologyView(String clusterViewId,
String slingId) {
TopologyViewImpl t = new TopologyViewImpl();
DefaultClusterViewImpl c = new DefaultClusterViewImpl(clusterViewId);
DefaultInstanceDescriptionImpl i = new DefaultInstanceDescriptionImpl(
c, true, false, slingId, new HashMap<String, String>());
Collection<InstanceDescription> instances = new LinkedList<InstanceDescription>();
instances.add(i);
t.addInstances(instances);
return t;
}
public static TopologyViewImpl cloneTopologyView(TopologyViewImpl original) {
TopologyViewImpl t = new TopologyViewImpl();
Iterator<ClusterView> it = original.getClusterViews().iterator();
while (it.hasNext()) {
DefaultClusterViewImpl c = (DefaultClusterViewImpl) it.next();
t.addInstances(clone(c).getInstances());
}
return t;
}
public static DefaultClusterViewImpl clone(DefaultClusterViewImpl original) {
DefaultClusterViewImpl c = new DefaultClusterViewImpl(original.getId());
Iterator<InstanceDescription> it = original.getInstances().iterator();
while (it.hasNext()) {
DefaultInstanceDescriptionImpl id = (DefaultInstanceDescriptionImpl) it
.next();
c.addInstanceDescription(cloneWOClusterView(id));
}
return c;
}
public static DefaultInstanceDescriptionImpl cloneWOClusterView(
DefaultInstanceDescriptionImpl original) {
DefaultInstanceDescriptionImpl id = new DefaultInstanceDescriptionImpl(
null, original.isLeader(), original.isLocal(),
original.getSlingId(), new HashMap<String, String>(
original.getProperties()));
return id;
}
public static DefaultInstanceDescriptionImpl createAndAddInstanceDescription(
TopologyViewImpl newView, ClusterView clusterView) {
DefaultInstanceDescriptionImpl i = createInstanceDescription(clusterView);
return addInstanceDescription(newView, i);
}
public static DefaultInstanceDescriptionImpl addInstanceDescription(
TopologyViewImpl newView, DefaultInstanceDescriptionImpl i) {
Collection<InstanceDescription> instances = new LinkedList<InstanceDescription>();
instances.add(i);
newView.addInstances(instances);
return i;
}
public static DefaultInstanceDescriptionImpl createInstanceDescription(
ClusterView clusterView) {
return createInstanceDescription(UUID.randomUUID().toString(), false, clusterView);
}
public static DefaultInstanceDescriptionImpl createInstanceDescription(
String instanceId, boolean isLocal, ClusterView clusterView) {
if (!(clusterView instanceof DefaultClusterViewImpl)) {
throw new IllegalArgumentException(
"Must pass a clusterView of type "
+ DefaultClusterViewImpl.class);
}
DefaultInstanceDescriptionImpl i = new DefaultInstanceDescriptionImpl(
(DefaultClusterViewImpl) clusterView, false, isLocal, instanceId, new HashMap<String, String>());
return i;
}
@SuppressWarnings("unchecked")
public static Map<String, String> getWriteableProperties(
InstanceDescription instanceDescription)
throws NoSuchFieldException {
return (Map<String, String>) PrivateAccessor.getField(
instanceDescription, "properties");
}
public static void assertTopologyConsistsOf(TopologyView topology, String... slingIds) {
assertNotNull(topology);
assertEquals(slingIds.length, topology.getInstances().size());
for(int i=0; i<slingIds.length; i++) {
final String aSlingId = slingIds[i];
final Set<?> instances = topology.getInstances();
boolean found = false;
for (Iterator<?> it = instances.iterator(); it.hasNext();) {
InstanceDescription anInstance = (InstanceDescription) it.next();
if (anInstance.getSlingId().equals(aSlingId)) {
found = true;
break;
}
}
assertTrue(found);
}
}
public static Instance createInstance(Collection<Instance> instances, String debugName) throws Exception {
final Instance instance = Instance.newStandaloneInstance(debugName, true);
instances.add(instance);
return instance;
}
}