org.apache.shardingsphere.sharding.algorithm.sharding.range

Class AbstractRangeShardingAlgorithm

java.lang.Object

org.apache.shardingsphere.sharding.algorithm.sharding.range.AbstractRangeShardingAlgorithm

All Implemented Interfaces:

org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithm, org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmPostProcessor, org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmPropertiesAware, org.apache.shardingsphere.infra.spi.typed.TypedSPI, ShardingAutoTableAlgorithm, StandardShardingAlgorithm<Long>, ShardingAlgorithm

Direct Known Subclasses:

BoundaryBasedRangeShardingAlgorithm, VolumeBasedRangeShardingAlgorithm

public abstract class AbstractRangeShardingAlgorithm
extends Object
implements StandardShardingAlgorithm<Long>, ShardingAutoTableAlgorithm

Abstract range sharding algorithm.

Constructor Summary

Constructors

Constructor and Description
AbstractRangeShardingAlgorithm()

Method Summary

Modifier and Type	Method and Description
protected abstract Map<Integer,com.google.common.collect.Range<Long>>	calculatePartitionRange(Properties props)
String	doSharding(Collection<String> availableTargetNames, PreciseShardingValue<Long> shardingValue)
Collection<String>	doSharding(Collection<String> availableTargetNames, RangeShardingValue<Long> shardingValue)
int	getAutoTablesAmount()
void	init()

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.spi.typed.TypedSPI

getProps, getType, setProps

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

getAllPropertyKeys

Constructor Detail

AbstractRangeShardingAlgorithm

public AbstractRangeShardingAlgorithm()

Method Detail

init

public final void init()

Specified by:

init in interface org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmPostProcessor

calculatePartitionRange

protected abstract Map<Integer,com.google.common.collect.Range<Long>> calculatePartitionRange(Properties props)

doSharding

public final String doSharding(Collection<String> availableTargetNames,
                               PreciseShardingValue<Long> shardingValue)

Specified by:

doSharding in interface StandardShardingAlgorithm<Long>

doSharding

public final Collection<String> doSharding(Collection<String> availableTargetNames,
                                           RangeShardingValue<Long> shardingValue)

Specified by:

doSharding in interface StandardShardingAlgorithm<Long>

getAutoTablesAmount

public final int getAutoTablesAmount()

Specified by:

getAutoTablesAmount in interface ShardingAutoTableAlgorithm