/*
* Copyright (C) 2015 Red Hat, Inc. and/or its affiliates.
*
* 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.jboss.errai.ioc.rebind.ioc.graph.api;
import java.lang.annotation.Annotation;
import java.util.Spliterators;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
import javax.inject.Named;
/**
* A single object for holding all the qualifier annotations of an injectable or
* an injection point.
*
* @see QualifierFactory
* @author Max Barkley <mbarkley@redhat.com>
*/
public interface Qualifier extends Iterable<Annotation> {
/**
* @param other Another qualifier to compare this to.
* @return True if this qualifier is satsified by {@code other}.
*/
boolean isSatisfiedBy(Qualifier other);
boolean isDefaultQualifier();
/**
* @return A unique string that can be used as part of a Java identifier.
*/
String getIdentifierSafeString();
/**
* @return The value of {@link Named} if it is present.
*/
String getName();
default Stream<Annotation> stream() {
return StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator(), 0), false);
}
}