86 lines
3.2 KiB
Java
86 lines
3.2 KiB
Java
/*
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* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.reflect.generics.repository;
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import sun.reflect.generics.factory.GenericsFactory;
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import sun.reflect.generics.tree.Tree;
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import sun.reflect.generics.visitor.Reifier;
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/**
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* Abstract superclass for representing the generic type information for
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* a reflective entity.
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* The code is not dependent on a particular reflective implementation.
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* It is designed to be used unchanged by at least core reflection and JDI.
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*/
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public abstract class AbstractRepository<T extends Tree> {
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// A factory used to produce reflective objects. Provided when the
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//repository is created. Will vary across implementations.
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private final GenericsFactory factory;
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private final T tree; // the AST for the generic type info
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//accessors
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private GenericsFactory getFactory() { return factory;}
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/**
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* Accessor for <tt>tree</tt>.
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* @return the cached AST this repository holds
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*/
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protected T getTree(){ return tree;}
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/**
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* Returns a <tt>Reifier</tt> used to convert parts of the
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* AST into reflective objects.
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* @return a <tt>Reifier</tt> used to convert parts of the
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* AST into reflective objects
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*/
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protected Reifier getReifier(){return Reifier.make(getFactory());}
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/**
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* Constructor. Should only be used by subclasses. Concrete subclasses
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* should make their constructors private and provide public factory
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* methods.
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* @param rawSig - the generic signature of the reflective object
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* that this repository is servicing
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* @param f - a factory that will provide instances of reflective
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* objects when this repository converts its AST
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*/
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protected AbstractRepository(String rawSig, GenericsFactory f) {
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tree = parse(rawSig);
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factory = f;
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}
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/**
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* Returns the AST for the genric type info of this entity.
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* @param s - a string representing the generic signature of this
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* entity
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* @return the AST for the generic type info of this entity.
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*/
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protected abstract T parse(String s);
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}
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