Package org.jdbi.v3.core.interceptor

Class JdbiInterceptionChainHolder<S,T>

java.lang.Object

org.jdbi.v3.core.interceptor.JdbiInterceptionChainHolder<S,T>

Type Parameters:

S - Type of the transformation source.

T - Type of the transformation target.

@Alpha
public final class JdbiInterceptionChainHolder<S,T>
extends Object

An interception chain holder to manage transformation operations.

Constructor Summary

Constructors

Constructor	Description
JdbiInterceptionChainHolder()	Creates a new chain holder.
JdbiInterceptionChainHolder(Function<S,T> defaultTransformer)	Creates a new chain holder with a default interceptor.
JdbiInterceptionChainHolder(JdbiInterceptionChainHolder<S,T> that)

Method Summary

Modifier and Type	Method	Description
void	addFirst(JdbiInterceptor<S,T> interceptor)	Registers a new interceptor at the beginning of the chain.
void	addLast(JdbiInterceptor<S,T> interceptor)	Registers a new interceptor at the end of the chain.
T	process(S source)	Processes a source object and returns a target object.

Methods inherited from class java.lang.Object

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

Constructor Details

JdbiInterceptionChainHolder

public JdbiInterceptionChainHolder(Function<S,T> defaultTransformer)

Creates a new chain holder with a default interceptor.

Parameters:

defaultTransformer - A default interceptor that is used when no other registered interceptor processes a source object. Must not be null.

JdbiInterceptionChainHolder

public JdbiInterceptionChainHolder()

Creates a new chain holder. Throws UnsupportedOperationException if no registered interceptor processes a source object.

JdbiInterceptionChainHolder

public JdbiInterceptionChainHolder(JdbiInterceptionChainHolder<S,T> that)

Method Details

process

@Nonnull
public T process(@Nullable
 S source)

Processes a source object and returns a target object.

Parameters:

source - A source object.

Returns:

A target object processed by one of the registered JdbiInterceptor instances.

addFirst

public void addFirst(JdbiInterceptor<S,T> interceptor)

Registers a new interceptor at the beginning of the chain. Any subsequent call to process(Object) will use this interceptor before all other already registered interceptors.

Parameters:

interceptor - An object implementing JdbiInterceptor.

addLast

public void addLast(JdbiInterceptor<S,T> interceptor)

Registers a new interceptor at the end of the chain. Any subsequent call to process(Object) will use this interceptor after all other already registered interceptors.

Parameters:

interceptor - An object implementing JdbiInterceptor.