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60 lines
2.3 KiB
Java
60 lines
2.3 KiB
Java
// Copyright 2017 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.model.ofy;
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import com.googlecode.objectify.Key;
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import com.googlecode.objectify.Objectify;
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import google.registry.model.BackupGroupRoot;
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import java.util.Arrays;
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import java.util.Map;
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import org.joda.time.DateTime;
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/**
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* Exception when trying to write to Datastore with a timestamp that is inconsistent with a partial
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* ordering on transactions that touch the same entities.
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*/
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class TimestampInversionException extends RuntimeException {
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static String getFileAndLine(StackTraceElement callsite) {
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return callsite.getFileName() + ":" + callsite.getLineNumber();
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}
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TimestampInversionException(
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DateTime transactionTime, Map<Key<BackupGroupRoot>, DateTime> problematicRoots) {
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this(transactionTime, "entities rooted under:\n" + problematicRoots);
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}
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TimestampInversionException(DateTime transactionTime, DateTime updateTimestamp) {
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this(transactionTime, String.format("update timestamp (%s)", updateTimestamp));
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}
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private TimestampInversionException(DateTime transactionTime, String problem) {
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super(
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String.format(
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"Timestamp inversion between transaction time (%s) and %s\n%s",
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transactionTime,
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problem,
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getFileAndLine(
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Arrays.stream(new Exception().getStackTrace())
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.filter(
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element ->
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!element
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.getClassName()
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.startsWith(Objectify.class.getPackage().getName())
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&& !element.getClassName().startsWith(Ofy.class.getName()))
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.findFirst()
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.get())));
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}
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}
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