/*
* Copyright © 2014 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 co.cask.cdap.metrics.guice;
import co.cask.cdap.common.metrics.MetricsCollectionService;
import co.cask.cdap.common.metrics.MetricsScope;
import co.cask.cdap.common.runtime.RuntimeModule;
import co.cask.cdap.metrics.collect.AggregatedMetricsCollectionService;
import co.cask.cdap.metrics.collect.LocalMetricsCollectionService;
import co.cask.cdap.metrics.collect.MapReduceCounterCollectionService;
import co.cask.cdap.metrics.data.DefaultMetricsTableFactory;
import co.cask.cdap.metrics.data.MetricsTableFactory;
import co.cask.cdap.metrics.transport.MetricsRecord;
import com.google.inject.AbstractModule;
import com.google.inject.Module;
import com.google.inject.PrivateModule;
import com.google.inject.Scopes;
import org.apache.hadoop.mapreduce.TaskAttemptContext;
import java.util.Iterator;
/**
*
*/
public final class MetricsClientRuntimeModule extends RuntimeModule {
@Override
public Module getInMemoryModules() {
return new PrivateModule() {
@Override
protected void configure() {
install(new MetricsProcessorModule());
bind(MetricsTableFactory.class).to(DefaultMetricsTableFactory.class).in(Scopes.SINGLETON);
bind(MetricsCollectionService.class).to(LocalMetricsCollectionService.class).in(Scopes.SINGLETON);
expose(MetricsCollectionService.class);
}
};
}
@Override
public Module getStandaloneModules() {
return new PrivateModule() {
@Override
protected void configure() {
install(new MetricsProcessorModule());
bind(MetricsTableFactory.class).to(DefaultMetricsTableFactory.class).in(Scopes.SINGLETON);
bind(MetricsCollectionService.class).to(LocalMetricsCollectionService.class).in(Scopes.SINGLETON);
expose(MetricsCollectionService.class);
}
};
}
@Override
public Module getDistributedModules() {
return new DistributedMetricsClientModule();
}
public Module getMapReduceModules(final TaskAttemptContext taskContext) {
return new PrivateModule() {
@Override
protected void configure() {
bind(TaskAttemptContext.class).toInstance(taskContext);
bind(MetricsCollectionService.class).to(MapReduceCounterCollectionService.class).in(Scopes.SINGLETON);
expose(MetricsCollectionService.class);
}
};
}
/**
* Returns a module that bind MetricsCollectionService to a noop one.
*/
public Module getNoopModules() {
return new AbstractModule() {
@Override
protected void configure() {
bind(MetricsCollectionService.class).toInstance(new AggregatedMetricsCollectionService() {
@Override
protected void publish(MetricsScope scope, Iterator<MetricsRecord> metrics) throws Exception {
// No-op
}
});
}
};
}
}