org.apache.flink.formats.protobuf.PbDecodingFormat Maven / Gradle / Ivy
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* distributed with this work for additional information
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* 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
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* Unless required by applicable law or agreed to in writing, software
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package org.apache.flink.formats.protobuf;
import org.apache.flink.api.common.serialization.DeserializationSchema;
import org.apache.flink.api.common.typeinfo.TypeInformation;
import org.apache.flink.formats.protobuf.deserialize.PbRowDataDeserializationSchema;
import org.apache.flink.table.connector.ChangelogMode;
import org.apache.flink.table.connector.format.DecodingFormat;
import org.apache.flink.table.connector.source.DynamicTableSource;
import org.apache.flink.table.data.RowData;
import org.apache.flink.table.types.DataType;
import org.apache.flink.table.types.logical.RowType;
public class PbDecodingFormat implements DecodingFormat> {
private String messageClassName;
private boolean ignoreParseErrors;
private boolean readDefaultValues;
public PbDecodingFormat(
String messageClassName, boolean ignoreParseErrors, boolean readDefaultValues) {
this.messageClassName = messageClassName;
this.ignoreParseErrors = ignoreParseErrors;
this.readDefaultValues = readDefaultValues;
}
@Override
public DeserializationSchema createRuntimeDecoder(
DynamicTableSource.Context context, DataType producedDataType) {
final RowType rowType = (RowType) producedDataType.getLogicalType();
final TypeInformation rowDataTypeInfo =
context.createTypeInformation(producedDataType);
return new PbRowDataDeserializationSchema(
rowType,
rowDataTypeInfo,
this.messageClassName,
this.ignoreParseErrors,
this.readDefaultValues);
}
@Override
public ChangelogMode getChangelogMode() {
return ChangelogMode.insertOnly();
}
}