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FLINK-2551 Fix Several Bugs in Input/Output Formats #1497

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FLINK-2551 Fix Several Bugs in Input/Output Formats #1497

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14 changes: 13 additions & 1 deletion ...ng-java/src/main/java/org/apache/flink/streaming/api/functions/sink/FileSinkFunction.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,9 +20,12 @@
import java.io.IOException;
import java.util.ArrayList;

import org.apache.flink.api.common.ExecutionConfig;
import org.apache.flink.api.common.functions.RuntimeContext;
import org.apache.flink.api.common.io.CleanupWhenUnsuccessful;
import org.apache.flink.api.common.io.OutputFormat;
import org.apache.flink.api.common.typeinfo.TypeInformation;
import org.apache.flink.api.java.typeutils.InputTypeConfigurable;
import org.apache.flink.configuration.Configuration;

import org.slf4j.Logger;
Expand All @@ -37,7 +40,8 @@
* @param <IN>
* Input type
*/
public abstract class FileSinkFunction<IN> extends RichSinkFunction<IN> {
public abstract class FileSinkFunction<IN> extends RichSinkFunction<IN> implements
InputTypeConfigurable {

private static final long serialVersionUID = 1L;

Expand All @@ -62,6 +66,14 @@ public void open(Configuration parameters) throws Exception {
format.open(indexInSubtaskGroup, currentNumberOfSubtasks);
}

@Override
public void setInputType(TypeInformation<?> type, ExecutionConfig executionConfig) {
if (format instanceof InputTypeConfigurable) {
InputTypeConfigurable itc = (InputTypeConfigurable) format;
itc.setInputType(type, executionConfig);
}
}

@Override
public void invoke(IN record) throws Exception {
tupleList.add(record);
Expand Down