TEntity - The type of entity.public abstract class LabelCallback<TEntity> extends Delegate
| Modifier and Type | Class and Description |
|---|---|
static interface |
LabelCallback.Function<TEntity>
A functional interface for the containing delegate type.
|
| Constructor and Description |
|---|
LabelCallback()
Creates a new instance of this delegate.
|
LabelCallback(Class<?> targetClass,
String methodName,
Class<?>... methodParameterClasses)
Initializes a delegate that will invoke a static method on a class.
|
LabelCallback(Object targetObject,
String methodName,
Class<?>... methodParameterClasses)
Initializes a delegate that will invoke an instance method on a class instance.
|
| Modifier and Type | Method and Description |
|---|---|
abstract String |
invoke(Transaction transaction,
TEntity entity)
Returns a label for the specified entity.
|
static <TEntity> LabelCallback<TEntity> |
of(LabelCallback.Function<TEntity> f)
Create a delegate for the given interface.
|
static <TEntity> LabelCallback<TEntity> |
of(LabelCallback.Function<TEntity> f,
Class<?> targetClass,
String methodName,
Class<?>... methodParameterClasses)
Create a delegate for the given interface.
|
static <TEntity> LabelCallback<TEntity> |
of(LabelCallback.Function<TEntity> f,
Object targetObject,
String methodName,
Class<?>... methodParameterClasses)
Create a delegate for the given interface.
|
public LabelCallback()
public LabelCallback(@Nonnull Object targetObject, @Nonnull String methodName, @Nonnull Class<?>... methodParameterClasses)
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.public LabelCallback(@Nonnull Class<?> targetClass, @Nonnull String methodName, @Nonnull Class<?>... methodParameterClasses)
targetClass - The class that defines the method.methodName - The name of the static method.methodParameterClasses - The type of the parameters of the static method.public abstract String invoke(Transaction transaction, TEntity entity)
transaction - The transaction to use.entity - The entity for which to retrieve a label.@Nonnull public static <TEntity> LabelCallback<TEntity> of(@Nonnull LabelCallback.Function<TEntity> f)
f - The function which will be invoked.@Nonnull public static <TEntity> LabelCallback<TEntity> of(@Nonnull LabelCallback.Function<TEntity> f, @Nonnull Object targetObject, @Nonnull String methodName, @Nonnull Class<?>... methodParameterClasses)
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.@Nonnull public static <TEntity> LabelCallback<TEntity> of(@Nonnull LabelCallback.Function<TEntity> f, @Nonnull Class<?> targetClass, @Nonnull String methodName, @Nonnull Class<?>... methodParameterClasses)
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.