[flink-statefun] 11/17: [FLINK-17533] Add UnboundedFeedbackLoggerFactory

[tz...@apache.org]

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tzulitai pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/flink-statefun.git

commit 3927424636ceecba12dca915ccf2a5130848db0b
Author: Igal Shilman <ig...@gmail.com>
AuthorDate: Tue May 5 21:19:22 2020 +0200

    [FLINK-17533] Add UnboundedFeedbackLoggerFactory
---
 .../logger/UnboundedFeedbackLoggerFactory.java     | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/statefun-flink/statefun-flink-core/src/main/java/org/apache/flink/statefun/flink/core/logger/UnboundedFeedbackLoggerFactory.java b/statefun-flink/statefun-flink-core/src/main/java/org/apache/flink/statefun/flink/core/logger/UnboundedFeedbackLoggerFactory.java
new file mode 100644
index 0000000..dd0052f
--- /dev/null
+++ b/statefun-flink/statefun-flink-core/src/main/java/org/apache/flink/statefun/flink/core/logger/UnboundedFeedbackLoggerFactory.java
@@ -0,0 +1,49 @@
+/*
+ * 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.statefun.flink.core.logger;
+
+import java.util.Objects;
+import java.util.function.Supplier;
+import java.util.function.ToIntFunction;
+import org.apache.flink.api.common.typeutils.TypeSerializer;
+import org.apache.flink.statefun.flink.core.di.Inject;
+import org.apache.flink.statefun.flink.core.di.Label;
+
+public final class UnboundedFeedbackLoggerFactory<T> {
+  private final Supplier<KeyGroupStream<T>> supplier;
+  private final ToIntFunction<T> keyGroupAssigner;
+  private final CheckpointedStreamOperations checkpointedStreamOperations;
+  private final TypeSerializer<T> serializer;
+
+  @Inject
+  public UnboundedFeedbackLoggerFactory(
+      @Label("key-group-supplier") Supplier<KeyGroupStream<T>> supplier,
+      @Label("key-group-assigner") ToIntFunction<T> keyGroupAssigner,
+      @Label("checkpoint-stream-ops") CheckpointedStreamOperations ops,
+      @Label("envelope-serializer") TypeSerializer<T> serializer) {
+    this.supplier = Objects.requireNonNull(supplier);
+    this.keyGroupAssigner = Objects.requireNonNull(keyGroupAssigner);
+    this.serializer = Objects.requireNonNull(serializer);
+    this.checkpointedStreamOperations = Objects.requireNonNull(ops);
+  }
+
+  public UnboundedFeedbackLogger<T> create() {
+    return new UnboundedFeedbackLogger<>(
+        supplier, keyGroupAssigner, checkpointedStreamOperations, serializer);
+  }
+}