com.proofpoint.discovery.ReplicatedDynamicStore Maven / Gradle / Ivy
/*
* Copyright 2010 Proofpoint, Inc.
*
* 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.proofpoint.discovery;
import com.google.common.collect.ImmutableSet;
import com.proofpoint.discovery.store.DistributedStore;
import com.proofpoint.discovery.store.Entry;
import com.proofpoint.json.JsonCodec;
import com.proofpoint.units.Duration;
import javax.inject.Inject;
import java.util.List;
import java.util.Set;
import static com.google.common.base.Predicates.and;
import static com.google.common.collect.ImmutableList.copyOf;
import static com.google.common.collect.Iterables.filter;
import static com.google.common.collect.Iterables.transform;
import static com.proofpoint.discovery.DynamicServiceAnnouncement.toServiceWith;
import static com.proofpoint.discovery.Service.matchesPool;
import static com.proofpoint.discovery.Service.matchesType;
public class ReplicatedDynamicStore
implements DynamicStore
{
private final JsonCodec> codec = JsonCodec.listJsonCodec(Service.class);
private final DistributedStore store;
private final Duration maxAge;
@Inject
public ReplicatedDynamicStore(@ForDynamicStore DistributedStore store, DiscoveryConfig config)
{
this.store = store;
this.maxAge = config.getMaxAge();
}
@Override
public boolean put(Id nodeId, DynamicAnnouncement announcement)
{
List services = copyOf(transform(announcement.getServiceAnnouncements(), toServiceWith(nodeId, announcement.getLocation(), announcement.getPool())));
byte[] key = nodeId.getBytes();
byte[] value = codec.toJsonBytes(services);
store.put(key, value, maxAge);
return true; // TODO
}
@Override
public boolean delete(Id nodeId)
{
store.delete(nodeId.getBytes());
return true; // TODO
}
@Override
public Set getAll()
{
ImmutableSet.Builder builder = ImmutableSet.builder();
for (Entry entry : store.getAll()) {
builder.addAll(codec.fromJson(entry.getValue()));
}
return builder.build();
}
@Override
public Set get(String type)
{
return ImmutableSet.copyOf(filter(getAll(), matchesType(type)));
}
@Override
public Set get(String type, String pool)
{
return ImmutableSet.copyOf(filter(getAll(), and(matchesType(type), matchesPool(pool))));
}
}