org.apache.flink.cdc.runtime.operators.transform

类 ProjectionColumnProcessor

java.lang.Object

org.apache.flink.cdc.runtime.operators.transform.ProjectionColumnProcessor

public class ProjectionColumnProcessor
extends Object

The processor of the projection column. It processes the data column and the user-defined computed columns.

构造器概要

构造器

构造器和说明
ProjectionColumnProcessor(PostTransformChangeInfo tableInfo, ProjectionColumn projectionColumn, String timezone, List<UserDefinedFunctionDescriptor> udfDescriptors, List<Object> udfFunctionInstances, org.apache.flink.cdc.common.source.SupportedMetadataColumn[] supportedMetadataColumns)

方法概要

限定符和类型	方法和说明
Object	evaluate(org.apache.flink.cdc.common.data.binary.BinaryRecordData record, long epochTime, String opType, Map<String,String> meta)
ProjectionColumn	getProjectionColumn()
static ProjectionColumnProcessor	of(PostTransformChangeInfo tableInfo, ProjectionColumn projectionColumn, String timezone, List<UserDefinedFunctionDescriptor> udfDescriptors, List<Object> udfFunctionInstances, org.apache.flink.cdc.common.source.SupportedMetadataColumn[] supportedMetadataColumns)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ProjectionColumnProcessor

public ProjectionColumnProcessor(PostTransformChangeInfo tableInfo,
                                 ProjectionColumn projectionColumn,
                                 String timezone,
                                 List<UserDefinedFunctionDescriptor> udfDescriptors,
                                 List<Object> udfFunctionInstances,
                                 org.apache.flink.cdc.common.source.SupportedMetadataColumn[] supportedMetadataColumns)

方法详细资料

of

public static ProjectionColumnProcessor of(PostTransformChangeInfo tableInfo,
                                           ProjectionColumn projectionColumn,
                                           String timezone,
                                           List<UserDefinedFunctionDescriptor> udfDescriptors,
                                           List<Object> udfFunctionInstances,
                                           org.apache.flink.cdc.common.source.SupportedMetadataColumn[] supportedMetadataColumns)

getProjectionColumn

public ProjectionColumn getProjectionColumn()

evaluate

public Object evaluate(org.apache.flink.cdc.common.data.binary.BinaryRecordData record,
                       long epochTime,
                       String opType,
                       Map<String,String> meta)