io.cdap.cdap.app.guice.ProgramRunnerRuntimeModule Maven / Gradle / Ivy
/*
* Copyright © 2014-2019 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.app.guice;
import com.google.inject.AbstractModule;
import com.google.inject.Module;
import com.google.inject.Scopes;
import com.google.inject.util.Modules;
import io.cdap.cdap.app.runtime.ProgramRunner;
import io.cdap.cdap.app.runtime.ProgramStateWriter;
import io.cdap.cdap.common.runtime.RuntimeModule;
import io.cdap.cdap.internal.app.program.MessagingProgramStatePublisher;
import io.cdap.cdap.internal.app.program.MessagingProgramStateWriter;
import io.cdap.cdap.internal.app.program.ProgramStatePublisher;
/**
*
*/
public final class ProgramRunnerRuntimeModule extends RuntimeModule {
@Override
public Module getInMemoryModules() {
// No remote execution module in unit-test
return Modules.combine(new InMemoryProgramRunnerModule(),
new ProgramStateWriterModule());
}
@Override
public Module getStandaloneModules() {
return Modules.combine(new InMemoryProgramRunnerModule(),
new RemoteExecutionProgramRunnerModule(),
new ProgramStateWriterModule());
}
@Override
public Module getDistributedModules() {
return getDistributedModules(false);
}
/**
* Creates a guice module for distributed mode.
*
* @param publishProgramState if {@code true}, program state will be published from the {@link ProgramRunner} upon
* program state change. It only applies to {@link ProgramRunner} created for "native"
* cluster execution. It doesn't applies to remote execution.
*/
public Module getDistributedModules(boolean publishProgramState) {
return Modules.combine(new DistributedProgramRunnerModule(publishProgramState),
new RemoteExecutionProgramRunnerModule(),
new ProgramStateWriterModule());
}
/**
* Guice module for exposing the {@link ProgramStateWriter} and {@link ProgramStatePublisher}.
*/
public static final class ProgramStateWriterModule extends AbstractModule {
@Override
protected void configure() {
bind(ProgramStatePublisher.class).to(MessagingProgramStatePublisher.class).in(Scopes.SINGLETON);
bind(ProgramStateWriter.class).to(MessagingProgramStateWriter.class).in(Scopes.SINGLETON);
}
}
}