compositemethodresolver.java

来自「Java的面向对象数据库系统的源代码」· Java 代码 · 共 40 行

// You can redistribute this software and/or modify it under the terms of
// the Ozone Library License version 1 published by ozone-db.org.
//
// The original code and portions created by SMB are
// Copyright (C) 1997-@year@ by SMB GmbH. All rights reserved.
//
// $Id: CompositeMethodResolver.java,v 1.2 2003/11/07 21:34:22 per_nyfelt Exp $
package org.ozoneDB.tools.OPP.srcgen.resolve;

import org.ozoneDB.tools.OPP.srcgen.MethodResolver;
import org.ozoneDB.tools.OPP.srcgen.ResolverException;

import java.util.*;

/**
 * Merges the result from all composed resolvers.
 */
public class CompositeMethodResolver implements MethodResolver {
    private Set resolvers;

    public CompositeMethodResolver() {
        resolvers = new HashSet();
    }

    public void resolveMethods(String className, MethodResolver.UpdateMethodBag result) throws ResolverException {
        for (Iterator iter = resolvers.iterator(); iter.hasNext();) {
            final MethodResolver methodResolver = (MethodResolver) iter.next();
            methodResolver.resolveMethods(className, result);
        }
    }

    public void addResolver(MethodResolver resolver) {
        resolvers.add(resolver);
    }

    public void removeResolver(MethodResolver resolver) {
        resolvers.remove(resolver);
    }
}