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new 60363bded [flink] lake tiering support flink 1.18 (#1742)
60363bded is described below
commit 60363bdedacbc5bcb49046fde3ce103e7e3ca30e
Author: Junbo Wang <[email protected]>
AuthorDate: Wed Sep 24 09:23:55 2025 +0800
[flink] lake tiering support flink 1.18 (#1742)
---
.../api/functions/sink/v2/DiscardingSink.java | 58 ++++++++++++++++++++++
fluss-test-coverage/pom.xml | 3 +-
2 files changed, 60 insertions(+), 1 deletion(-)
diff --git
a/fluss-flink/fluss-flink-1.18/src/main/java/org/apache/flink/streaming/api/functions/sink/v2/DiscardingSink.java
b/fluss-flink/fluss-flink-1.18/src/main/java/org/apache/flink/streaming/api/functions/sink/v2/DiscardingSink.java
new file mode 100644
index 000000000..44ee583fe
--- /dev/null
+++
b/fluss-flink/fluss-flink-1.18/src/main/java/org/apache/flink/streaming/api/functions/sink/v2/DiscardingSink.java
@@ -0,0 +1,58 @@
+/*
+ * 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.streaming.api.functions.sink.v2;
+
+import org.apache.flink.annotation.PublicEvolving;
+import org.apache.flink.api.common.SupportsConcurrentExecutionAttempts;
+import org.apache.flink.api.connector.sink2.Sink;
+import org.apache.flink.api.connector.sink2.SinkWriter;
+
+import java.io.IOException;
+
+/**
+ * A special sink that ignores all elements.
+ *
+ * @param <IN> The type of elements received by the sink.
+ */
+@PublicEvolving
+public class DiscardingSink<IN> implements Sink<IN>,
SupportsConcurrentExecutionAttempts {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ public SinkWriter<IN> createWriter(InitContext context) throws IOException
{
+ return new DiscardingElementWriter();
+ }
+
+ private class DiscardingElementWriter implements SinkWriter<IN> {
+
+ @Override
+ public void write(IN element, Context context) throws IOException,
InterruptedException {
+ // discard it.
+ }
+
+ @Override
+ public void flush(boolean endOfInput) throws IOException,
InterruptedException {
+ // this writer has no pending data.
+ }
+
+ @Override
+ public void close() throws Exception {
+ // do nothing.
+ }
+ }
+}
diff --git a/fluss-test-coverage/pom.xml b/fluss-test-coverage/pom.xml
index df13bb696..7c3a658f0 100644
--- a/fluss-test-coverage/pom.xml
+++ b/fluss-test-coverage/pom.xml
@@ -354,6 +354,8 @@
org.apache.fluss.flink.metrics.*
</exclude>
<!-- end exclude for flink-connector
-->
+ <!-- exclude flink 1.18 compatibility
class for sink -->
+
<exclude>org.apache.flink.streaming.api.functions.sink.v2.*</exclude>
<exclude>org.apache.fluss.fs.hdfs.HadoopFsPlugin
</exclude>
<exclude>org.apache.fluss.fs.hdfs.HadoopSecurityTokenReceiver</exclude>
@@ -388,7 +390,6 @@
<exclude>org.apache.fluss.lake.iceberg.*</exclude>
<exclude>org.apache.fluss.row.encode.iceberg.*</exclude>
<exclude>org.apache.fluss.bucketing.IcebergBucketingFunction</exclude>
-
<exclude>org.apache.iceberg.transforms.TransformUtils</exclude>
<!-- start exclude for flink tiering
service -->
<exclude>org.apache.fluss.flink.tiering.source.TieringSourceOptions</exclude>
<exclude>org.apache.fluss.flink.tiering.source.TieringSource.Builder</exclude>
