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