Package org.apache.shardingsphere.data.pipeline.core.check.consistency.algorithm

Class AbstractStreamingDataConsistencyCalculateAlgorithm

java.lang.Object

org.apache.shardingsphere.data.pipeline.core.check.consistency.algorithm.AbstractStreamingDataConsistencyCalculateAlgorithm

All Implemented Interfaces:

DataConsistencyCalculateAlgorithm, ShardingSphereAlgorithm, org.apache.shardingsphere.spi.aware.SPIMetadataAware, org.apache.shardingsphere.spi.lifecycle.SPIPostProcessor, org.apache.shardingsphere.spi.type.typed.TypedSPI

Direct Known Subclasses:

DataMatchDataConsistencyCalculateAlgorithm

public abstract class AbstractStreamingDataConsistencyCalculateAlgorithm
extends Object
implements DataConsistencyCalculateAlgorithm

Streaming data consistency calculate algorithm.

Constructor Summary

Constructors

Constructor	Description
AbstractStreamingDataConsistencyCalculateAlgorithm()

Method Summary

Modifier and Type	Method	Description
final Iterable<Object>	calculate(DataConsistencyCalculateParameter parameter)
protected abstract Optional<Object>	calculateChunk(DataConsistencyCalculateParameter parameter)	Calculate chunked records at one time.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithm

getProps

Methods inherited from interface org.apache.shardingsphere.spi.aware.SPIMetadataAware

getDescription, getSupportedDatabaseTypes

Methods inherited from interface org.apache.shardingsphere.spi.lifecycle.SPIPostProcessor

init

Methods inherited from interface org.apache.shardingsphere.spi.type.typed.TypedSPI

getType, getTypeAliases

Constructor Details

AbstractStreamingDataConsistencyCalculateAlgorithm

public AbstractStreamingDataConsistencyCalculateAlgorithm()

Method Details

calculate

public final Iterable<Object> calculate(DataConsistencyCalculateParameter parameter)

Specified by:

calculate in interface DataConsistencyCalculateAlgorithm

calculateChunk

protected abstract Optional<Object> calculateChunk(DataConsistencyCalculateParameter parameter)

Calculate chunked records at one time.

Parameters:

parameter - data consistency calculate parameter

Returns:

optional calculated result, empty means there's no more result