/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file 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 under
* the License.
*/
package org.apache.geode.internal.admin.remote;
import org.apache.geode.CancelException;
import org.apache.geode.DataSerializer;
import org.apache.geode.cache.Cache;
import org.apache.geode.cache.CacheFactory;
import org.apache.geode.cache.Region;
import org.apache.geode.distributed.internal.DistributionConfig;
import org.apache.geode.distributed.internal.DistributionManager;
import org.apache.geode.distributed.internal.membership.InternalDistributedMember;
import org.apache.geode.internal.admin.GemFireVM;
import org.apache.geode.internal.cache.GemFireCacheImpl;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
// import org.apache.geode.internal.*;
/**
* Responds to {@link RootRegionResponse}.
*/
public final class RootRegionResponse extends AdminResponse {
// instance variables
// private boolean hasRoot = false;
private String[] regions;
private String[] userAttrs;
/**
* Returns a <code>RootRegionResponse</code> that will be returned to the specified recipient. The
* message will contains a copy of the local manager's system config.
*/
public static RootRegionResponse create(DistributionManager dm,
InternalDistributedMember recipient) {
RootRegionResponse m = new RootRegionResponse();
try {
Cache cache = CacheFactory.getInstance(dm.getSystem());
final Collection roots;
if (!Boolean.getBoolean(DistributionConfig.GEMFIRE_PREFIX + "PRDebug")) {
roots = cache.rootRegions();
} else {
roots = ((GemFireCacheImpl) cache).rootRegions(true);
}
List regionNames = new ArrayList();
List userAttributes = new ArrayList();
for (Iterator iter = roots.iterator(); iter.hasNext();) {
Region r = (Region) iter.next();
regionNames.add(r.getName());
userAttributes.add(CacheDisplay.getCachedObjectDisplay(r.getUserAttribute(),
GemFireVM.LIGHTWEIGHT_CACHE_VALUE));
}
String[] temp = new String[0];
m.regions = (String[]) regionNames.toArray(temp);
m.userAttrs = (String[]) userAttributes.toArray(temp);;
} catch (CancelException cce) {
/* no cache yet */ }
m.setRecipient(recipient);
return m;
}
// instance methods
public Region[] getRegions(RemoteGemFireVM vm) {
if (regions.length > 0) {
Region[] roots = new Region[regions.length];
for (int i = 0; i < regions.length; i++) {
roots[i] = new AdminRegion(regions[i], vm, userAttrs[i]);
}
return roots;
} else {
return new Region[0];
}
}
public int getDSFID() {
return ROOT_REGION_RESPONSE;
}
@Override
public void toData(DataOutput out) throws IOException {
super.toData(out);
DataSerializer.writeObject(regions, out);
DataSerializer.writeObject(userAttrs, out);
}
@Override
public void fromData(DataInput in) throws IOException, ClassNotFoundException {
super.fromData(in);
regions = (String[]) DataSerializer.readObject(in);
userAttrs = (String[]) DataSerializer.readObject(in);
}
@Override
public String toString() {
return "RootRegionResponse from " + this.getRecipient();
}
}