/*
 * 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.inject.Binder;
import com.google.inject.Scope;
import java.lang.annotation.Annotation;

Registration of a scope annotation with the scope that implements it. Instances are created explicitly in a module using bindScope() statements:
    Scope recordScope = new RecordScope();
    bindScope(RecordScoped.class, new RecordScope());
Author:jessewilson@google.com (Jesse Wilson)
Since:2.0
/** * 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: * * <pre> * Scope recordScope = new RecordScope(); * bindScope(RecordScoped.class, new RecordScope());</pre> * * @author jessewilson@google.com (Jesse Wilson) * @since 2.0 */
public final class ScopeBinding implements Element { private final Object source; private final Class<? extends Annotation> annotationType; private final Scope scope; ScopeBinding(Object source, Class<? extends Annotation> 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<? extends Annotation> getAnnotationType() { return annotationType; } public Scope getScope() { return scope; } @Override public <T> T acceptVisitor(ElementVisitor<T> visitor) { return visitor.visit(this); } @Override public void applyTo(Binder binder) { binder.withSource(getSource()).bindScope(annotationType, scope); } }