aoqi@0: /*
aoqi@0: * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0: *
aoqi@0: * This code is free software; you can redistribute it and/or modify it
aoqi@0: * under the terms of the GNU General Public License version 2 only, as
aoqi@0: * published by the Free Software Foundation. Oracle designates this
aoqi@0: * particular file as subject to the "Classpath" exception as provided
aoqi@0: * by Oracle in the LICENSE file that accompanied this code.
aoqi@0: *
aoqi@0: * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0: * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0: * accompanied this code).
aoqi@0: *
aoqi@0: * You should have received a copy of the GNU General Public License version
aoqi@0: * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0: *
aoqi@0: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0: * or visit www.oracle.com if you need additional information or have any
aoqi@0: * questions.
aoqi@0: */
aoqi@0:
aoqi@0: package com.sun.xml.internal.xsom;
aoqi@0:
aoqi@0: import com.sun.xml.internal.xsom.visitor.XSTermFunction;
aoqi@0: import com.sun.xml.internal.xsom.visitor.XSTermVisitor;
aoqi@0: import com.sun.xml.internal.xsom.visitor.XSTermFunctionWithParam;
aoqi@0:
aoqi@0: /**
aoqi@0: * A component that can be referenced from {@link XSParticle}
aoqi@0: *
aoqi@0: * This interface provides a set of type check functions (isXXX
),
aoqi@0: * which are essentially:
aoqi@0: *
aoqi@0: *
aoqi@0: * boolean isXXX() { aoqi@0: * return this instanceof XXX; aoqi@0: * } aoqi@0: *aoqi@0: * aoqi@0: * and a set of cast functions (asXXX
), which are aoqi@0: * essentially: aoqi@0: * aoqi@0: *aoqi@0: * XXX asXXX() { aoqi@0: * if(isXXX()) return (XXX)this; aoqi@0: * else return null; aoqi@0: * } aoqi@0: *aoqi@0: */ aoqi@0: public interface XSTerm extends XSComponent aoqi@0: { aoqi@0: void visit( XSTermVisitor visitor ); aoqi@0:T apply( XSTermFunction function ); aoqi@0: T apply( XSTermFunctionWithParam function, P param ); aoqi@0: aoqi@0: // cast functions aoqi@0: boolean isWildcard(); aoqi@0: boolean isModelGroupDecl(); aoqi@0: boolean isModelGroup(); aoqi@0: boolean isElementDecl(); aoqi@0: aoqi@0: XSWildcard asWildcard(); aoqi@0: XSModelGroupDecl asModelGroupDecl(); aoqi@0: XSModelGroup asModelGroup(); aoqi@0: XSElementDecl asElementDecl(); aoqi@0: }