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package javax.naming.spi;

import javax.naming.Context;
import javax.naming.Name;
import javax.naming.NamingException;


This interface represents an "intermediate context" for name resolution.


The Resolver interface contains methods that are implemented by contexts
that do not support subtypes of Context, but which can act as
intermediate contexts for resolution purposes.

 A Name parameter passed to any method is owned by the caller. The service provider will not modify the object or keep a reference to it. A ResolveResult object returned by any method is owned by the caller. The caller may subsequently modify it; the service provider may not. 
Author:Rosanna Lee, Scott Seligman
Since:1.3
/**
  * This interface represents an "intermediate context" for name resolution.
  *<p>
  * The Resolver interface contains methods that are implemented by contexts
  * that do not support subtypes of Context, but which can act as
  * intermediate contexts for resolution purposes.
  *<p>
  * A {@code Name} parameter passed to any method is owned
  * by the caller.  The service provider will not modify the object
  * or keep a reference to it.
  * A {@code ResolveResult} object returned by any
  * method is owned by the caller.  The caller may subsequently modify it;
  * the service provider may not.
  *
  * @author Rosanna Lee
  * @author Scott Seligman
  * @since 1.3
  */

public interface Resolver {

    
Partially resolves a name.  Stops at the first
context that is an instance of a given subtype of
Context.

Params:
  • name – 
         the name to resolve
  • contextType – 
         the type of object to resolve.  This should
         be a subtype of Context.
Throws:
See Also:
Returns: the object that was found, along with the unresolved
         suffix of name.  Cannot be null.
/**
     * Partially resolves a name.  Stops at the first
     * context that is an instance of a given subtype of
     * <code>Context</code>.
     *
     * @param name
     *          the name to resolve
     * @param contextType
     *          the type of object to resolve.  This should
     *          be a subtype of <code>Context</code>.
     * @return  the object that was found, along with the unresolved
     *          suffix of <code>name</code>.  Cannot be null.
     *
     * @throws  javax.naming.NotContextException
     *          if no context of the appropriate type is found
     * @throws  NamingException if a naming exception was encountered
     *
     * @see #resolveToClass(String, Class)
     */
    public ResolveResult resolveToClass(Name name,
                                        Class<? extends Context> contextType)
            throws NamingException;

    
Partially resolves a name. See resolveToClass(Name, Class<? extends Context>) for details. 
Params:
  • name – 
         the name to resolve
  • contextType – 
         the type of object to resolve.  This should
         be a subtype of Context.
Throws:
Returns: the object that was found, along with the unresolved
         suffix of name.  Cannot be null.
/**
     * Partially resolves a name.
     * See {@link #resolveToClass(Name, Class)} for details.
     *
     * @param name
     *          the name to resolve
     * @param contextType
     *          the type of object to resolve.  This should
     *          be a subtype of <code>Context</code>.
     * @return  the object that was found, along with the unresolved
     *          suffix of <code>name</code>.  Cannot be null.
     *
     * @throws  javax.naming.NotContextException
     *          if no context of the appropriate type is found
     * @throws  NamingException if a naming exception was encountered
     */
    public ResolveResult resolveToClass(String name,
                                        Class<? extends Context> contextType)
            throws NamingException;
};