io.cdap.cdap.internal.app.workflow.WorkflowNodeCreator Maven / Gradle / Ivy
/*
* Copyright © 2015-2016 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.internal.app.workflow;
import com.google.common.base.Preconditions;
import io.cdap.cdap.api.customaction.CustomAction;
import io.cdap.cdap.api.customaction.CustomActionSpecification;
import io.cdap.cdap.api.feature.FeatureFlagsProvider;
import io.cdap.cdap.api.schedule.SchedulableProgramType;
import io.cdap.cdap.api.workflow.ScheduleProgramInfo;
import io.cdap.cdap.api.workflow.WorkflowActionNode;
import io.cdap.cdap.api.workflow.WorkflowNode;
import io.cdap.cdap.common.id.Id;
import io.cdap.cdap.internal.app.customaction.DefaultCustomActionConfigurer;
import io.cdap.cdap.internal.app.deploy.pipeline.AppDeploymentRuntimeInfo;
import io.cdap.cdap.internal.app.runtime.artifact.PluginFinder;
import io.cdap.cdap.internal.app.runtime.plugin.PluginInstantiator;
import javax.annotation.Nullable;
/**
* Helper to create {@link WorkflowNode}
*/
final class WorkflowNodeCreator {
private WorkflowNodeCreator() {}
static WorkflowNode createWorkflowActionNode(String programName, SchedulableProgramType programType) {
switch (programType) {
case MAPREDUCE:
Preconditions.checkNotNull(programName, "MapReduce name is null.");
Preconditions.checkArgument(!programName.isEmpty(), "MapReduce name is empty.");
break;
case SPARK:
Preconditions.checkNotNull(programName, "Spark name is null.");
Preconditions.checkArgument(!programName.isEmpty(), "Spark name is empty.");
break;
case CUSTOM_ACTION:
//no-op
break;
default:
break;
}
return new WorkflowActionNode(programName, new ScheduleProgramInfo(programType, programName));
}
static WorkflowNode createWorkflowCustomActionNode(CustomAction action, Id.Namespace deployNamespace,
Id.Artifact artifactId, PluginFinder pluginFinder,
PluginInstantiator pluginInstantiator,
@Nullable AppDeploymentRuntimeInfo runtimeInfo,
FeatureFlagsProvider featureFlagsProvider) {
Preconditions.checkArgument(action != null, "CustomAction is null.");
CustomActionSpecification spec = DefaultCustomActionConfigurer.configureAction(action, deployNamespace, artifactId,
pluginFinder,
pluginInstantiator, runtimeInfo,
featureFlagsProvider);
return new WorkflowActionNode(spec.getName(), spec);
}
}