agi.foundation

(agi.foundation.tracking-2024r1.jar)

Class TransactionalSelectCallback<TResult>

java.lang.Object

agi.foundation.compatibility.Delegate

agi.foundation.TransactionalSelectCallback<TResult>

Type Parameters:

TResult - The return type of the callback.

public abstract class TransactionalSelectCallback<TResult>
extends Delegate

This defines the delegate TransactionalSelectCallback, which is used whenever transactionally invoking a callback that needs to have a return value. This delegate contains only one argument, which is the transaction, and returns a variable of type TResult.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	TransactionalSelectCallback.Function<TResult> A functional interface for the containing delegate type.

Constructor Summary

Constructors

Constructor and Description
TransactionalSelectCallback() Creates a new instance of this delegate.
TransactionalSelectCallback(Class<?> targetClass, String methodName, Class<?>... methodParameterClasses) Initializes a delegate that will invoke a static method on a class.
TransactionalSelectCallback(Object targetObject, String methodName, Class<?>... methodParameterClasses) Initializes a delegate that will invoke an instance method on a class instance.

Method Summary

Modifier and Type	Method and Description
abstract TResult	invoke(Transaction arg) This defines the delegate TransactionalSelectCallback, which is used whenever transactionally invoking a callback that needs to have a return value.
static <TResult> TransactionalSelectCallback<TResult>	of(TransactionalSelectCallback.Function<TResult> f) Create a delegate for the given interface.
static <TResult> TransactionalSelectCallback<TResult>	of(TransactionalSelectCallback.Function<TResult> f, Class<?> targetClass, String methodName, Class<?>... methodParameterClasses) Create a delegate for the given interface.
static <TResult> TransactionalSelectCallback<TResult>	of(TransactionalSelectCallback.Function<TResult> f, Object targetObject, String methodName, Class<?>... methodParameterClasses) Create a delegate for the given interface.

Methods inherited from class agi.foundation.compatibility.Delegate

dynamicInvoke, equals, getMethod, getTarget, hashCode

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionalSelectCallback

public TransactionalSelectCallback()

Creates a new instance of this delegate.

TransactionalSelectCallback

public TransactionalSelectCallback(@Nonnull
                                   Object targetObject,
                                   @Nonnull
                                   String methodName,
                                   @Nonnull
                                   Class<?>... methodParameterClasses)

Initializes a delegate that will invoke an instance method on a class instance.

Parameters:

targetObject - The class instance on which the delegate will invoke the method.

methodName - The name of the instance method.

methodParameterClasses - The type of the parameters of the instance method.

TransactionalSelectCallback

public TransactionalSelectCallback(@Nonnull
                                   Class<?> targetClass,
                                   @Nonnull
                                   String methodName,
                                   @Nonnull
                                   Class<?>... methodParameterClasses)

Initializes a delegate that will invoke a static method on a class.

Parameters:

targetClass - The class that defines the method.

methodName - The name of the static method.

methodParameterClasses - The type of the parameters of the static method.

Method Detail

invoke

public abstract TResult invoke(Transaction arg)

This defines the delegate TransactionalSelectCallback, which is used whenever transactionally invoking a callback that needs to have a return value. This delegate contains only one argument, which is the transaction, and returns a variable of type TResult.

Parameters:

arg - The transaction in which the callback is executed.

Returns:

The return value of the callback.

of

@Nonnull
public static <TResult> TransactionalSelectCallback<TResult> of(@Nonnull
                                                                          TransactionalSelectCallback.Function<TResult> f)

Create a delegate for the given interface. This can be used to create a delegate from a lambda expression.

Parameters:

f - The function which will be invoked.

Returns:

A new delegate that will invoke the given function.

of

@Nonnull
public static <TResult> TransactionalSelectCallback<TResult> of(@Nonnull
                                                                          TransactionalSelectCallback.Function<TResult> f,
                                                                          @Nonnull
                                                                          Object targetObject,
                                                                          @Nonnull
                                                                          String methodName,
                                                                          @Nonnull
                                                                          Class<?>... methodParameterClasses)

Create a delegate for the given interface. This can be used to create a delegate from a method reference to an instance method.

Parameters:

f - The function which will be invoked.

targetObject - The class instance on which the delegate will invoke the method.

methodName - The name of the instance method.

methodParameterClasses - The type of the parameters of the instance method.

Returns:

A new delegate that will invoke the given function.

of

@Nonnull
public static <TResult> TransactionalSelectCallback<TResult> of(@Nonnull
                                                                          TransactionalSelectCallback.Function<TResult> f,
                                                                          @Nonnull
                                                                          Class<?> targetClass,
                                                                          @Nonnull
                                                                          String methodName,
                                                                          @Nonnull
                                                                          Class<?>... methodParameterClasses)

Create a delegate for the given interface. This can be used to create a delegate from a method reference to a static method.

Parameters:

f - The function which will be invoked.

targetClass - The class that defines the method.

methodName - The name of the static method.

methodParameterClasses - The type of the parameters of the static method.

Returns:

A new delegate that will invoke the given function.