/*
* 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 io.airlift.discovery.client.testing;
import com.google.inject.Binder;
import com.google.inject.Key;
import com.google.inject.Module;
import com.google.inject.Provides;
import com.google.inject.Scopes;
import com.google.inject.multibindings.Multibinder;
import io.airlift.discovery.client.Announcer;
import io.airlift.discovery.client.DiscoveryAnnouncementClient;
import io.airlift.discovery.client.DiscoveryLookupClient;
import io.airlift.discovery.client.MergingServiceSelectorFactory;
import io.airlift.discovery.client.ServiceAnnouncement;
import io.airlift.discovery.client.ServiceSelector;
import io.airlift.discovery.client.ServiceSelectorFactory;
import io.airlift.discovery.client.ServiceSelectorManager;
import io.airlift.node.NodeInfo;
import javax.inject.Singleton;
public class TestingDiscoveryModule
implements Module
{
@Override
public void configure(Binder binder)
{
// bind discovery client and dependencies
binder.bind(InMemoryDiscoveryClient.class).in(Scopes.SINGLETON);
binder.bind(DiscoveryAnnouncementClient.class).to(Key.get(InMemoryDiscoveryClient.class)).in(Scopes.SINGLETON);
binder.bind(DiscoveryLookupClient.class).to(Key.get(InMemoryDiscoveryClient.class)).in(Scopes.SINGLETON);
// bind announcer
binder.bind(Announcer.class).in(Scopes.SINGLETON);
// Must create a multibinder for service announcements or construction will fail if no
// service announcements are bound, which is legal for processes that don't have public services
Multibinder.newSetBinder(binder, ServiceAnnouncement.class);
binder.bind(SimpleServiceSelectorFactory.class).in(Scopes.SINGLETON);
binder.bind(ServiceSelectorFactory.class).to(MergingServiceSelectorFactory.class).in(Scopes.SINGLETON);
// bind selector manager with initial empty multibinder
Multibinder.newSetBinder(binder, ServiceSelector.class);
binder.bind(ServiceSelectorManager.class).in(Scopes.SINGLETON);
}
@Provides
@Singleton
public MergingServiceSelectorFactory createMergingServiceSelectorFactory(
SimpleServiceSelectorFactory factory,
Announcer announcer,
NodeInfo nodeInfo)
{
return new MergingServiceSelectorFactory(factory, announcer, nodeInfo);
}
}