injectableprovider.java

来自「resetful样式的ws样例,一种面向资源的webservices服务」· Java 代码 · 共 74 行

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package com.sun.jersey.spi.inject;

import com.sun.jersey.spi.service.ComponentContext;
import com.sun.jersey.spi.service.ComponentProvider;
import java.lang.annotation.Annotation;

/**
 * An injectable provider provides an injectable which in turn may be used
 * to obtain the instance to inject onto a field, bean setter method, parameter
 * of a constructor, or parameter of a method.
 * 
 * @param A the annotation type
 * @param C the context type. Types of the {@link java.lang.reflect.Type} and 
 *        {@link com.sun.jersey.api.model.Parameter} are the only types that
 *        are supported.
 * @author [e-mail]
 */
public interface InjectableProvider<A extends Annotation, C> {
    
    /**
     * Get the scope of the injectable provider.
     * 
     * @return the scope.
     */
    ComponentProvider.Scope getScope();
    
    /**
     * Get an injectable.
     * 
     * @param ic the injectable context
     * @param a the annotation instance
     * @param c the context instance
     * @return an Injectable instance, otherwise null if an instance cannot
     *         be created.
     */
    Injectable getInjectable(ComponentContext ic, A a, C c);
}