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ConditionalDeleteExample.java
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ConditionalDeleteExample.java
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/*
* Copyright 2022 Google LLC
*
* 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.example.bigtable.deletes;
// [START bigtable_delete_check_and_mutate]
import com.google.cloud.bigtable.data.v2.BigtableDataClient;
import com.google.cloud.bigtable.data.v2.models.ConditionalRowMutation;
import com.google.cloud.bigtable.data.v2.models.Filters;
import com.google.cloud.bigtable.data.v2.models.Mutation;
import com.google.cloud.bigtable.data.v2.models.TableId;
import java.io.IOException;
public class ConditionalDeleteExample {
public void conditionalDelete(String projectId, String instanceId, String tableId)
throws IOException {
try (BigtableDataClient dataClient = BigtableDataClient.create(projectId, instanceId)) {
Filters.Filter condition = Filters.FILTERS.value().exactMatch("PQ2A.190405.004");
Mutation mutation = Mutation.create().deleteCells("stats_summary", "os_build");
dataClient.checkAndMutateRow(
ConditionalRowMutation.create(TableId.of(tableId), "phone#4c410523#20190502")
.condition(condition)
.then(mutation));
}
}
}
// [END bigtable_delete_check_and_mutate]