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io.cdap.cdap.internal.app.workflow.condition.DefaultConditionConfigurer Maven / Gradle / Ivy
/*
* Copyright © 2017-2018 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.condition;
import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
import io.cdap.cdap.api.feature.FeatureFlagsProvider;
import io.cdap.cdap.api.workflow.Condition;
import io.cdap.cdap.api.workflow.ConditionConfigurer;
import io.cdap.cdap.api.workflow.ConditionSpecification;
import io.cdap.cdap.common.id.Id;
import io.cdap.cdap.internal.app.AbstractConfigurer;
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 io.cdap.cdap.internal.lang.Reflections;
import io.cdap.cdap.internal.specification.DataSetFieldExtractor;
import io.cdap.cdap.internal.specification.PropertyFieldExtractor;
import io.cdap.cdap.internal.workflow.condition.DefaultConditionSpecification;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javax.annotation.Nullable;
/**
* Default implementation of the {@link ConditionConfigurer}
*/
public class DefaultConditionConfigurer extends AbstractConfigurer implements ConditionConfigurer {
private final Condition condition;
private String name;
private String description;
private Map properties;
private DefaultConditionConfigurer(Condition condition, Id.Namespace deployNamespace, Id.Artifact artifactId,
PluginFinder pluginFinder, PluginInstantiator pluginInstantiator,
@Nullable AppDeploymentRuntimeInfo runtimeInfo,
FeatureFlagsProvider featureFlagsProvider) {
super(deployNamespace, artifactId, pluginFinder, pluginInstantiator, runtimeInfo, featureFlagsProvider);
this.condition = condition;
this.name = condition.getClass().getSimpleName();
this.description = "";
this.properties = new HashMap<>();
}
@Override
public void setName(String name) {
Preconditions.checkArgument(!Strings.isNullOrEmpty(name), "Name of the Condition cannot be null or empty");
this.name = name;
}
@Override
public void setDescription(String description) {
Preconditions.checkNotNull(description, "Description of the Condition cannot be null");
this.description = description;
}
@Override
public void setProperties(Map properties) {
Preconditions.checkNotNull(properties, "Properties of the Condition cannot be null");
this.properties = new HashMap<>(properties);
}
private DefaultConditionSpecification createSpecification() {
Set datasets = new HashSet<>();
Reflections.visit(condition, condition.getClass(), new PropertyFieldExtractor(properties),
new DataSetFieldExtractor(datasets));
return new DefaultConditionSpecification(condition.getClass().getName(), name, description, properties, datasets);
}
public static ConditionSpecification configureCondition(Condition condition, Id.Namespace deployNamespace,
Id.Artifact artifactId, PluginFinder pluginFinder,
PluginInstantiator pluginInstantiator,
@Nullable AppDeploymentRuntimeInfo runtimeInfo,
FeatureFlagsProvider featureFlagsProvider) {
DefaultConditionConfigurer configurer = new DefaultConditionConfigurer(condition, deployNamespace, artifactId,
pluginFinder, pluginInstantiator,
runtimeInfo, featureFlagsProvider);
condition.configure(configurer);
return configurer.createSpecification();
}
}