Github user uce commented on a diff in the pull request:
https://github.com/apache/flink/pull/1153#discussion_r41535719
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/StandaloneCompletedCheckpointStore.java
---
@@ -0,0 +1,105 @@
+/*
+ * 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.
+ */
+
+package org.apache.flink.runtime.checkpoint;
+
+import org.apache.flink.runtime.jobmanager.RecoveryMode;
+
+import java.util.ArrayDeque;
+import java.util.ArrayList;
+import java.util.List;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * {@link CompletedCheckpointStore} for JobManagers running in {@link
RecoveryMode#STANDALONE}.
+ */
+class StandaloneCompletedCheckpointStore implements
CompletedCheckpointStore {
+
+ /** The maximum number of checkpoints to retain (at least 1). */
+ private final int maxNumberOfCheckpointsToRetain;
+
+ /** User class loader for discarding {@link CompletedCheckpoint}
instances. */
+ private final ClassLoader userClassLoader;
+
+ /** The completed checkpoints. */
+ private final ArrayDeque<CompletedCheckpoint> checkpoints;
+
+ /**
+ * Creates {@link StandaloneCompletedCheckpointStore}.
+ *
+ * @param maxNumberOfCheckpointsToRetain The maximum number of
checkpoints to retain (at
+ * least 1). Adding more
checkpoints than this results
+ * in older checkpoints being
discarded.
+ * @param userClassLoader The user class loader used to
discard checkpoints
+ */
+ public StandaloneCompletedCheckpointStore(
+ int maxNumberOfCheckpointsToRetain,
+ ClassLoader userClassLoader) {
+
+ checkArgument(maxNumberOfCheckpointsToRetain >= 1, "Must retain
at least one checkpoint.");
+
+ this.maxNumberOfCheckpointsToRetain =
maxNumberOfCheckpointsToRetain;
+ this.userClassLoader = checkNotNull(userClassLoader, "User
class loader");
+
+ this.checkpoints = new
ArrayDeque<>(maxNumberOfCheckpointsToRetain + 1);
+ }
+
+ @Override
+ public void recover() throws Exception {
+ // Nothing to do
+ }
+
+ @Override
+ public int getNextCheckpointID() {
--- End diff --
Removed.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
