com.spotify.asyncdatastoreclient.Batch Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2015 Spotify AB
*
* 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 com.spotify.asyncdatastoreclient;
import com.google.api.client.util.Lists;
import com.google.datastore.v1.Mutation;
import java.util.List;
import java.util.stream.Collectors;
/**
* A batch mutation statement.
*
* Will batch a collection of mutation operations into a single operation.
*/
public class Batch {
private final List statements = Lists.newArrayList();
/**
* Adds a statement to this batch.
*
* @param statement the mutation statement to add.
* @return this batch statement.
*/
public Batch add(final MutationStatement statement) {
statements.add(statement);
return this;
}
public List getPb(final String namespace) {
return statements
.stream()
.map(m -> m.getPb(namespace))
.collect(Collectors.toList());
}
}
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