com.google.inject.spi.ScopeBinding Maven / Gradle / Ivy
/*
* Copyright (C) 2008 Google Inc.
*
* 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 com.google.inject.spi;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.base.MoreObjects;
import com.google.inject.Binder;
import com.google.inject.Scope;
import com.google.inject.internal.Errors;
import java.lang.annotation.Annotation;
/**
* Registration of a scope annotation with the scope that implements it. Instances are created
* explicitly in a module using {@link com.google.inject.Binder#bindScope(Class, Scope) bindScope()}
* statements:
*
*
* Scope recordScope = new RecordScope();
* bindScope(RecordScoped.class, new RecordScope());
*
* @author [email protected] (Jesse Wilson)
* @since 2.0
*/
public final class ScopeBinding implements Element {
private final Object source;
private final Class annotationType;
private final Scope scope;
ScopeBinding(Object source, Class annotationType, Scope scope) {
this.source = checkNotNull(source, "source");
this.annotationType = checkNotNull(annotationType, "annotationType");
this.scope = checkNotNull(scope, "scope");
}
@Override
public Object getSource() {
return source;
}
public Class getAnnotationType() {
return annotationType;
}
public Scope getScope() {
return scope;
}
@Override
public T acceptVisitor(ElementVisitor visitor) {
return visitor.visit(this);
}
@Override
public void applyTo(Binder binder) {
binder.withSource(getSource()).bindScope(annotationType, scope);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(ScopeBinding.class)
.add("annotationType", annotationType)
.add("scope", scope)
.add("source", Errors.convert(source))
.toString();
}
}