io.cdap.cdap.metadata.MetadataServiceModule Maven / Gradle / Ivy
/*
* Copyright © 2015-2019 Cask Data, 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.cdap.cdap.metadata;
import com.google.inject.Key;
import com.google.inject.PrivateModule;
import com.google.inject.TypeLiteral;
import com.google.inject.multibindings.Multibinder;
import com.google.inject.name.Names;
import io.cdap.cdap.common.conf.Constants;
import io.cdap.cdap.gateway.handlers.CommonHandlers;
import io.cdap.http.HttpHandler;
import java.util.Set;
/**
* Guice module for metadata service.
*/
public class MetadataServiceModule extends PrivateModule {
@Override
protected void configure() {
Multibinder handlerBinder = Multibinder.newSetBinder(
binder(), HttpHandler.class, Names.named(Constants.Metadata.HANDLERS_NAME));
CommonHandlers.add(handlerBinder);
handlerBinder.addBinding().to(MetadataHttpHandler.class);
handlerBinder.addBinding().to(LineageHTTPHandler.class);
expose(Key.get(new TypeLiteral>() { }, Names.named(Constants.Metadata.HANDLERS_NAME)));
bind(MetadataAdmin.class).to(DefaultMetadataAdmin.class);
expose(MetadataAdmin.class);
}
}