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bc3bdc7347
This CL upgraded google/errorprone plug-in to 2.3.3 and resolved some warnings detected from the plug-in. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=238047862
64 lines
2.5 KiB
Java
64 lines
2.5 KiB
Java
// Copyright 2018 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.beam;
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import com.google.common.base.Joiner;
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import com.google.common.collect.ImmutableList;
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import com.google.common.io.Resources;
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import google.registry.util.ResourceUtils;
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import org.apache.avro.generic.GenericRecord;
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import org.apache.beam.sdk.io.gcp.bigquery.SchemaAndRecord;
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/** Static utilities for {@code Beam} pipelines. */
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public class BeamUtils {
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/** Extracts a string representation of a field in a {@link GenericRecord}. */
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public static String extractField(GenericRecord record, String fieldName) {
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return String.valueOf(record.get(fieldName));
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}
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/**
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* Checks that no expected fields in the record are missing.
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*
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* <p>Note that this simply makes sure the field is not null; it may still generate a parse error
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* when interpreting the string representation of an object.
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*
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* @throws IllegalStateException if the record returns null for any field in {@code fieldNames}
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*/
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public static void checkFieldsNotNull(
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ImmutableList<String> fieldNames, SchemaAndRecord schemaAndRecord) {
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GenericRecord record = schemaAndRecord.getRecord();
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ImmutableList<String> nullFields =
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fieldNames
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.stream()
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.filter(fieldName -> record.get(fieldName) == null)
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.collect(ImmutableList.toImmutableList());
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String missingFieldList = Joiner.on(", ").join(nullFields);
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if (!nullFields.isEmpty()) {
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throw new IllegalStateException(
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String.format(
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"Read unexpected null value for field(s) %s for record %s",
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missingFieldList, record));
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}
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}
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/**
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* Returns the {@link String} contents for a file in the {@code sql/} directory relative to a
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* class.
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*/
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public static String getQueryFromFile(Class<?> clazz, String filename) {
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return ResourceUtils.readResourceUtf8(Resources.getResource(clazz, "sql/" + filename));
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}
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}
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