Package org.jdbi.v3.core.argument

Class OptionalArgumentFactory

java.lang.Object

org.jdbi.v3.core.argument.DelegatingArgumentFactory

org.jdbi.v3.core.argument.OptionalArgumentFactory

All Implemented Interfaces:

ArgumentFactory, ArgumentFactory.Preparable

class OptionalArgumentFactory
extends DelegatingArgumentFactory

Nested Class Summary

Nested classes/interfaces inherited from interface org.jdbi.v3.core.argument.ArgumentFactory

ArgumentFactory.Preparable

Constructor Summary

Constructors

Constructor	Description
OptionalArgumentFactory()

Method Summary

Modifier and Type	Method	Description
java.util.Optional<Argument>	build(java.lang.reflect.Type expectedType, java.lang.Object value, ConfigRegistry config)	Returns an Argument for the given value if the factory supports it; empty otherwise.
private static java.lang.reflect.Type	findOptionalType(java.lang.reflect.Type wrapperType, java.lang.Object nestedValue)
java.util.Optional<java.util.function.Function<java.lang.Object,Argument>>	prepare(java.lang.reflect.Type type, ConfigRegistry config)

Methods inherited from class org.jdbi.v3.core.argument.DelegatingArgumentFactory

prePreparedTypes, register

Methods inherited from class java.lang.Object

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

Constructor Detail

OptionalArgumentFactory

OptionalArgumentFactory()

Method Detail

build

public java.util.Optional<Argument> build(java.lang.reflect.Type expectedType,
                                          java.lang.Object value,
                                          ConfigRegistry config)

Description copied from interface: ArgumentFactory

Returns an Argument for the given value if the factory supports it; empty otherwise.

Specified by:

build in interface ArgumentFactory

Specified by:

build in interface ArgumentFactory.Preparable

Overrides:

build in class DelegatingArgumentFactory

Parameters:

expectedType - the known type of value. Depending on the situation this may be a full generic signature e.g. ParameterizedType, a Class, or Object.class if no type information is known.

value - the value to convert into an Argument

config - the config registry, for composition

Returns:

an argument for the given value if this factory supports it, or Optional.empty() otherwise.

See Also:

StatementContext.findArgumentFor(Type, Object), Arguments.findFor(Type, Object)

prepare

public java.util.Optional<java.util.function.Function<java.lang.Object,Argument>> prepare(java.lang.reflect.Type type,
                                                                                                ConfigRegistry config)

Specified by:

prepare in interface ArgumentFactory.Preparable

Overrides:

prepare in class DelegatingArgumentFactory

findOptionalType

private static java.lang.reflect.Type findOptionalType(java.lang.reflect.Type wrapperType,
                                                       java.lang.Object nestedValue)