Package org.jdbi.v3.core.collector

Class OptionalCollectorFactory

java.lang.Object

org.jdbi.v3.core.collector.OptionalCollectorFactory

All Implemented Interfaces:

CollectorFactory

class OptionalCollectorFactory
extends Object
implements CollectorFactory

Constructor Summary

Constructors

Constructor	Description
OptionalCollectorFactory()

Method Summary

Modifier and Type	Method	Description
boolean	accepts(Type containerType)	Accept a Type as a collector.
Collector<?,?,?>	build(Type containerType)	Creates a collector for a given container type.
Optional<Type>	elementType(Type containerType)	Returns the element type for a given container type.

Methods inherited from class java.lang.Object

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

Constructor Details

OptionalCollectorFactory

OptionalCollectorFactory()

Method Details

accepts

public boolean accepts(Type containerType)

Description copied from interface: CollectorFactory

Accept a Type as a collector.

Specified by:

accepts in interface CollectorFactory

Parameters:

containerType - the container type.

Returns:

whether this factory can produce a collector for the given container type.

elementType

public Optional<Type> elementType(Type containerType)

Description copied from interface: CollectorFactory

Returns the element type for a given container type.

Specified by:

elementType in interface CollectorFactory

Parameters:

containerType - the container type.

Returns:

the container element type if it can be discovered through reflection; empty otherwise.

See Also:

• StatementContext.findElementTypeFor(Type)

build

public Collector<?,?,?> build(Type containerType)

Description copied from interface: CollectorFactory

Creates a collector for a given container type.

Specified by:

build in interface CollectorFactory

Parameters:

containerType - the container type.

Returns:

a Collector for the given container type.

See Also:

• StatementContext.findCollectorFor(Type)
• JdbiCollectors.findFor(Type)