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com.tangosol.coherence.rest.util.aggregator
Class AggregatorRegistry

java.lang.Object
com.tangosol.coherence.rest.util.aggregator.AggregatorRegistry

public class AggregatorRegistry

extends java.lang.Object

A registry for AggregatorFactory instances.

Author:

vp 2011.07.07

Field Summary

static java.lang.String

AGGREGATOR_REQUEST_REGEX Regex pattern that defines the aggregator request syntax.

Constructor Summary

AggregatorRegistry()
Construct an AggregatorRegistry.

AggregatorRegistry(java.util.Collection colConfig)
Construct an AggregatorRegistry that includes built-in aggregators in addition to the specified aggregators.

Method Summary

InvocableMap.EntryAggregator	getAggregator(java.lang.String sRequest) Returns a configured aggregator.
void	register(java.util.Collection colConfig) Register a collection of aggregators.
void	register(java.lang.String sName, AggregatorFactory factory) Register an aggregator factory with the given name.
void	register(java.lang.String sName, java.lang.Class clz) Register an aggregator or aggregator factory with the given name.

Field Detail

AGGREGATOR_REQUEST_REGEX

public static final java.lang.String AGGREGATOR_REQUEST_REGEX

Regex pattern that defines the aggregator request syntax.

See Also:

Constant Field Values

Constructor Detail

AggregatorRegistry

public AggregatorRegistry()

Construct an AggregatorRegistry.

By default the following built-in aggregators will be registered:

• big-decimal-average
• big-decimal-max
• big-decimal-min
• big-decimal-sum
• comparable-max
• comparable-min
• count
• distinct-values
• double-average
• double-max
• double-min
• double-sum
• long-max
• long-min
• long-sum

AggregatorRegistry

public AggregatorRegistry(java.util.Collection colConfig)

Construct an AggregatorRegistry that includes built-in aggregators in addition to the specified aggregators.

Parameters:

colConfig - aggregator configurations

Method Detail

getAggregator

public InvocableMap.EntryAggregator getAggregator(java.lang.String sRequest)

Returns a configured aggregator.

Parameters:

sRequest - the aggregator request

Returns:

aggregator

register

public void register(java.lang.String sName,
                     AggregatorFactory factory)

Register an aggregator factory with the given name.

Parameters:

sName - the aggregator name

factory - the aggregator factory

register

public void register(java.lang.String sName,
                     java.lang.Class clz)

Register an aggregator or aggregator factory with the given name.

A DefaultAggregatorFactory will be used if the clz parameter is a class that implements InvocableMap.EntryAggregator.

Parameters:

sName - the aggregator name

clz - the aggregator or aggregator factory class

register

public void register(java.util.Collection colConfig)

Register a collection of aggregators.

Parameters:

colConfig - the aggregator configurations

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