/*
* Copyright 2016 the original author or 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
*
* http://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 org.springframework.cloud.stream.binding;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
/**
* A {@link Bindable} component that wraps a generic output binding target. Useful for
* binding targets outside the {@link org.springframework.cloud.stream.annotation.Input}
* and {@link org.springframework.cloud.stream.annotation.Output} annotated interfaces.
*
* @author Ilayaperumal Gopinathan
* @author Marius Bogoevici
*/
public class SingleBindingTargetBindable<T> extends BindableAdapter {
private final String name;
private final T bindingTarget;
public SingleBindingTargetBindable(String name, T bindingTarget) {
this.name = name;
this.bindingTarget = bindingTarget;
}
@Override
public void bindOutputs(BindingService bindingService) {
bindingService.bindProducer(bindingTarget, name);
}
@Override
public void unbindOutputs(BindingService bindingService) {
bindingService.unbindProducers(name);
}
@Override
public Set<String> getOutputs() {
return Collections.unmodifiableSet(new HashSet<>(Arrays.asList(name)));
}
}