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package org.glassfish.jersey.internal.inject;
import java.lang.annotation.Annotation;
import java.util.LinkedHashSet;
import java.util.Optional;
import java.util.OptionalInt;
import java.util.Set;
/**
* Injection binding description used to describe the aliases to main {@link Binding}.
*
* @author Petr Bouda (petr.bouda at oracle.com)
*/
public class AliasBinding {
private final String contract;
private final Set<Annotation> qualifiers = new LinkedHashSet<>();
@SuppressWarnings("OptionalUsedAsFieldOrParameterType")
private Optional<String> scope = Optional.empty();
@SuppressWarnings("OptionalUsedAsFieldOrParameterType")
private OptionalInt rank = OptionalInt.empty();
/**
* Creates a new alias.
*
* @param contract contract of the alias.
*/
/* package */ AliasBinding(String contract) {
this.contract = contract;
}
/**
* Gets binding's contract.
*
* @return binding's contract.
*/
public String getContract() {
return contract;
}
/**
* Gets binding's optional scope.
*
* @return binding's scope, if set explicitly.
*/
public Optional<String> getScope() {
return scope;
}
/**
* Sets the binding's scope.
*
* @param scope binding's scope.
* @return current instance.
*/
public AliasBinding in(String scope) {
this.scope = Optional.of(scope);
return this;
}
/**
* Gets binding's optional rank.
*
* @return binding's rank, if set explicitly.
*/
public OptionalInt getRank() {
return rank;
}
/**
* Sets the binding's rank.
*
* @param rank binding's rank.
* @return current instance.
*/
public AliasBinding ranked(int rank) {
this.rank = OptionalInt.of(rank);
return this;
}
/**
* Gets binding's qualifiers.
*
* @return binding's qualifiers
*/
public Set<Annotation> getQualifiers() {
return qualifiers;
}
/**
* Adds a new binding's qualifier.
*
* @param annotation binding's qualifier.
* @return current instance.
*/
public AliasBinding qualifiedBy(Annotation annotation) {
if (annotation != null) {
qualifiers.add(annotation);
}
return this;
}
}