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Extracts CheckpointStatsTracker interface and introduces DefaultCheck…
…pointStatsTracker
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559 changes: 26 additions & 533 deletions
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flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointStatsTracker.java
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...time/src/main/java/org/apache/flink/runtime/checkpoint/DefaultCheckpointStatsTracker.java
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...runtime/src/main/java/org/apache/flink/runtime/checkpoint/NoOpCheckpointStatsTracker.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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. | ||
| */ | ||
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| package org.apache.flink.runtime.checkpoint; | ||
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| import org.apache.flink.runtime.executiongraph.ExecutionAttemptID; | ||
| import org.apache.flink.runtime.jobgraph.JobVertexID; | ||
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| import java.util.Collections; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
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| public enum NoOpCheckpointStatsTracker implements CheckpointStatsTracker { | ||
| INSTANCE; | ||
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| @Override | ||
| public void reportRestoredCheckpoint( | ||
| long checkpointID, | ||
| CheckpointProperties properties, | ||
| String externalPath, | ||
| long stateSize) {} | ||
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| @Override | ||
| public void reportCompletedCheckpoint(CompletedCheckpointStats completed) {} | ||
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| @Override | ||
| public PendingCheckpointStats getPendingCheckpointStats(long checkpointId) { | ||
| return createPendingCheckpoint( | ||
| checkpointId, | ||
| System.currentTimeMillis(), | ||
| CheckpointProperties.forCheckpoint( | ||
| CheckpointRetentionPolicy.NEVER_RETAIN_AFTER_TERMINATION), | ||
| Collections.emptyMap()); | ||
| } | ||
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| @Override | ||
| public void reportIncompleteStats( | ||
| long checkpointId, ExecutionAttemptID attemptId, CheckpointMetrics metrics) {} | ||
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| @Override | ||
| public void reportInitializationStarted( | ||
| Set<ExecutionAttemptID> toInitialize, long initializationStartTs) {} | ||
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| @Override | ||
| public void reportInitializationMetrics( | ||
| ExecutionAttemptID executionAttemptId, | ||
| SubTaskInitializationMetrics initializationMetrics) {} | ||
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| @Override | ||
| public PendingCheckpointStats reportPendingCheckpoint( | ||
| long checkpointId, | ||
| long triggerTimestamp, | ||
| CheckpointProperties props, | ||
| Map<JobVertexID, Integer> vertexToDop) { | ||
| return createPendingCheckpoint(checkpointId, triggerTimestamp, props, vertexToDop); | ||
| } | ||
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| private PendingCheckpointStats createPendingCheckpoint( | ||
| long checkpointId, | ||
| long triggerTimestamp, | ||
| CheckpointProperties props, | ||
| Map<JobVertexID, Integer> vertexToDop) { | ||
| return new PendingCheckpointStats(checkpointId, triggerTimestamp, props, vertexToDop); | ||
| } | ||
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| @Override | ||
| public void reportFailedCheckpoint(FailedCheckpointStats failed) {} | ||
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| @Override | ||
| public void reportFailedCheckpointsWithoutInProgress() {} | ||
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| @Override | ||
| public CheckpointStatsSnapshot createSnapshot() { | ||
| return CheckpointStatsSnapshot.empty(); | ||
| } | ||
| } |
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