(flink) 05/08: [FLINK-35195][table] Introduce ContinuousRefreshHandler and serializer for continuous refresh mode

[ro...@apache.org]

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ron pushed a commit to branch master
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commit c99eb54ce8f362d970c173a2a579e8fc2cccc8ac
Author: fengli <ld...@163.com>
AuthorDate: Mon May 6 20:19:49 2024 +0800

    [FLINK-35195][table] Introduce ContinuousRefreshHandler and serializer for continuous refresh mode
---
 .../table/refresh/ContinuousRefreshHandler.java    | 50 ++++++++++++++++++++++
 .../ContinuousRefreshHandlerSerializer.java        | 44 +++++++++++++++++++
 2 files changed, 94 insertions(+)

diff --git a/flink-table/flink-table-common/src/main/java/org/apache/flink/table/refresh/ContinuousRefreshHandler.java b/flink-table/flink-table-common/src/main/java/org/apache/flink/table/refresh/ContinuousRefreshHandler.java
new file mode 100644
index 00000000000..60a92bed02e
--- /dev/null
+++ b/flink-table/flink-table-common/src/main/java/org/apache/flink/table/refresh/ContinuousRefreshHandler.java
@@ -0,0 +1,50 @@
+/*
+ * 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.table.refresh;
+
+import org.apache.flink.annotation.Internal;
+
+import java.io.Serializable;
+
+/** Embedded continuous refresh handler of Flink streaming job for materialized table. */
+@Internal
+public class ContinuousRefreshHandler implements RefreshHandler, Serializable {
+
+    // TODO: add clusterId for yarn and k8s resource manager
+    private final String executionTarget;
+    private final String jobId;
+
+    public ContinuousRefreshHandler(String executionTarget, String jobId) {
+        this.executionTarget = executionTarget;
+        this.jobId = jobId;
+    }
+
+    public String getExecutionTarget() {
+        return executionTarget;
+    }
+
+    public String getJobId() {
+        return jobId;
+    }
+
+    @Override
+    public String asSummaryString() {
+        return String.format("{\n executionTarget: %s,\n jobId: %s\n}", executionTarget, jobId);
+    }
+}
diff --git a/flink-table/flink-table-common/src/main/java/org/apache/flink/table/refresh/ContinuousRefreshHandlerSerializer.java b/flink-table/flink-table-common/src/main/java/org/apache/flink/table/refresh/ContinuousRefreshHandlerSerializer.java
new file mode 100644
index 00000000000..f62ccc99e09
--- /dev/null
+++ b/flink-table/flink-table-common/src/main/java/org/apache/flink/table/refresh/ContinuousRefreshHandlerSerializer.java
@@ -0,0 +1,44 @@
+/*
+ * 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.table.refresh;
+
+import org.apache.flink.annotation.Internal;
+import org.apache.flink.util.InstantiationUtil;
+
+import java.io.IOException;
+
+/** Serializer for {@link ContinuousRefreshHandler}. */
+@Internal
+public class ContinuousRefreshHandlerSerializer
+        implements RefreshHandlerSerializer<ContinuousRefreshHandler> {
+
+    public static final ContinuousRefreshHandlerSerializer INSTANCE =
+            new ContinuousRefreshHandlerSerializer();
+
+    @Override
+    public byte[] serialize(ContinuousRefreshHandler refreshHandler) throws IOException {
+        return InstantiationUtil.serializeObject(refreshHandler);
+    }
+
+    @Override
+    public ContinuousRefreshHandler deserialize(byte[] serializedBytes, ClassLoader cl)
+            throws IOException, ClassNotFoundException {
+        return InstantiationUtil.deserializeObject(serializedBytes, cl);
+    }
+}