/*
 * Copyright 2017-2020 original authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.micronaut.core.bind;

import io.micronaut.core.annotation.AnnotationMetadata;
import io.micronaut.core.type.Argument;
import io.micronaut.core.type.Executable;

import java.util.Collections;
import java.util.List;

A bound Executable is an executable who argument values have been pre-bound to values using a ArgumentBinderRegistry. Unlike a normal Executable zero arguments are expected and an exception will be thrown if the underlying target Executable cannot be invoked with the current state
Type parameters:
  • <T> –
  • <R> –
/** * A bound {@link Executable} is an executable who argument values have been pre-bound to * values using a {@link ArgumentBinderRegistry}. * * Unlike a normal {@link Executable} zero arguments are expected and an exception will * be thrown if the underlying target {@link Executable} cannot be invoked with the current state * * @param <T> * @param <R> */
public interface BoundExecutable<T, R> extends Executable<T, R> {
Returns:The target executable
/** * @return The target executable */
Executable<T, R> getTarget();
Invoke the bound Executable.
Params:
  • instance – The target instance
Returns:The result
/** * Invoke the bound {@link Executable}. * * @param instance The target instance * @return The result */
R invoke(T instance);
That arguments that will be used to invoke the method.
Returns:The arguments
/** * That arguments that will be used to invoke the method. * * @return The arguments */
Object[] getBoundArguments();
If the executable can only be partially bound then this method will return the arguments that have not been bound.
Returns:The unbound arguments
/** * If the executable can only be partially bound then this method will return the arguments that have not been bound. * * @return The unbound arguments */
default List<Argument<?>> getUnboundArguments() { return Collections.emptyList(); } @Override default R invoke(T instance, Object... arguments) { return getTarget().invoke(instance, arguments); } @Override default Argument[] getArguments() { return getTarget().getArguments(); } @Override default AnnotationMetadata getAnnotationMetadata() { return getTarget().getAnnotationMetadata(); } }