google-nomulus/java/google/registry/tools/ResaveEntitiesCommand.java
cgoldfeder 419a04bc26 Command to resave datastore entities by websafe key
While I am doing this, promote LoadAndResaveEntityCommand from
javascrap to the main tool since it's repeatedly been useful, and
rename it and update its documentation to better reflect the
difference between that command and the one I am adding.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=139460841
2016-11-28 11:23:29 -05:00

53 lines
1.9 KiB
Java

// Copyright 2016 The Nomulus Authors. All Rights Reserved.
//
// 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 google.registry.tools;
import static com.google.common.collect.Lists.partition;
import static google.registry.model.ofy.ObjectifyService.ofy;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.googlecode.objectify.Key;
import google.registry.model.ImmutableObject;
import java.util.List;
/**
* A command to load and resave an entity by websafe key.
*
* <p>This triggers @OnSave changes. If the entity was directly edited in the datastore viewer, this
* can be used to make sure that the commit logs reflect the new state.
*/
@Parameters(
separators = " =",
commandDescription = "Load and resave entities by websafe key")
public final class ResaveEntitiesCommand extends MutatingCommand {
/** The number of resaves to do in a single transaction. */
private static final int BATCH_SIZE = 10;
@Parameter(description = "Websafe keys", required = true)
List<String> mainParameters;
@Override
protected void init() throws Exception {
for (List<String> batch : partition(mainParameters, BATCH_SIZE)) {
for (String websafeKey : batch) {
ImmutableObject entity = ofy().load().key(Key.<ImmutableObject>create(websafeKey)).now();
stageEntityChange(entity, entity);
}
flushTransaction();
}
}
}