io.cdap.cdap.internal.bootstrap.BootstrapConfig Maven / Gradle / Ivy
/*
* Copyright © 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.bootstrap;
import com.google.common.collect.ImmutableList;
import com.google.gson.JsonObject;
import java.util.Collections;
import java.util.List;
/**
* Specified operations to perform to bootstrap a CDAP instance.
*/
public class BootstrapConfig {
public static final BootstrapConfig EMPTY = new BootstrapConfig(Collections.emptyList());
public static final BootstrapConfig DEFAULT = new BootstrapConfig(ImmutableList.of(
new BootstrapStep("Create Native Profile", BootstrapStep.Type.CREATE_NATIVE_PROFILE,
BootstrapStep.RunCondition.ONCE, new JsonObject()),
new BootstrapStep("Create Default Namespace", BootstrapStep.Type.CREATE_DEFAULT_NAMESPACE,
BootstrapStep.RunCondition.ONCE, new JsonObject()),
new BootstrapStep("Load System Artifacts", BootstrapStep.Type.LOAD_SYSTEM_ARTIFACTS,
BootstrapStep.RunCondition.ALWAYS, new JsonObject())));
private final List steps;
public BootstrapConfig(List steps) {
this.steps = steps;
}
public List getSteps() {
// can be null when deserialized through gson
return steps == null ? Collections.emptyList() : Collections.unmodifiableList(steps);
}
/**
* Check that this is a valid config, throwing an exception if not.
*
* @throws IllegalArgumentException if the config is invalid
*/
public void validate() {
for (BootstrapStep step : steps) {
step.validate();
}
}
}