jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/tools/internal/xjc/model/Multiplicity.java@f4ace6971570 (annotated)

src/share/jaxws_classes/com/sun/tools/internal/xjc/model/Multiplicity.java@f4ace6971570 (annotated)

src/share/jaxws_classes/com/sun/tools/internal/xjc/model/Multiplicity.java

Thu, 24 May 2018 16:44:14 +0800

author: aoqi
date: Thu, 24 May 2018 16:44:14 +0800
changeset 1288: f4ace6971570
parent 0: 373ffda63c9a
permissions: -rw-r--r--

Merge

 /*
  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.tools.internal.xjc.model;
 import java.math.BigInteger;
 /**
  * represents a possible number of occurence.
  *
  * Usually, denoted by a pair of integers like (1,1) or (5,10).
  * A special value "unbounded" is allowed as the upper bound.
  *
  * <p>
  * For example, (0,unbounded) corresponds to the '*' occurence of DTD.
  * (0,1) corresponds to the '?' occurence of DTD.
  *
  * @author
  *    <a href="mailto:kohsuke.kawaguchi@sun.com">Kohsuke KAWAGUCHI</a>
  */
 public final class Multiplicity {
     public final BigInteger min;
     public final BigInteger max;    // null is used to represent "unbounded".
     public static Multiplicity create(BigInteger min, BigInteger max ) {
         if (BigInteger.ZERO.equals(min) && max==null) return STAR;
         if (BigInteger.ONE.equals(min) && max==null) return PLUS;
         if (max!=null) {
             if(BigInteger.ZERO.equals(min) && BigInteger.ZERO.equals(max))    return ZERO;
             if(BigInteger.ZERO.equals(min) && BigInteger.ONE.equals(max))    return OPTIONAL;
             if(BigInteger.ONE.equals(min) && BigInteger.ONE.equals(max))    return ONE;
         }
         return new Multiplicity(min, max);
     }
     public static Multiplicity create(int min, Integer max ) {
         return Multiplicity.create(BigInteger.valueOf(min), BigInteger.valueOf(max.intValue()));
     }
     private Multiplicity(BigInteger min, BigInteger max) {
         this.min = min;
         this.max = max;
     }
     private Multiplicity(int min, int max) {
         this(BigInteger.valueOf(min), BigInteger.valueOf(max));
     }
     private Multiplicity(int min, Integer max) {
         this(BigInteger.valueOf(min), (max == null) ? null : BigInteger.valueOf(max));
     }
     @Override
     public boolean equals(Object o) {
         if (!(o instanceof Multiplicity)) return false;
         Multiplicity that = (Multiplicity) o;
         if (!this.min.equals(that.min)) return false;
         if (this.max != null ? !this.max.equals(that.max) : that.max != null) return false;
         return true;
     }
     @Override
     public int hashCode() {
         return min.add(max).intValue();
     }
     /** returns true if the multiplicity is (1,1). */
     public boolean isUnique() {
         if(max==null)    return false;
         return BigInteger.ONE.equals(min) && BigInteger.ONE.equals(max);
     }
     /** returns true if the multiplicity is (0,1) */
     public boolean isOptional() {
         if(max==null) return false;
         return BigInteger.ZERO.equals(min) && BigInteger.ONE.equals(max);
     }
     /** returns true if the multiplicity is (0,1) or (1,1). */
     public boolean isAtMostOnce() {
         if(max==null)    return false;
         return max.compareTo(BigInteger.ONE)<=0;
     }
     /** returns true if the multiplicity is (0,0). */
     public boolean isZero() {
         if(max==null)    return false;
         return BigInteger.ZERO.equals(max);
     }
     /**
      * Returns true if the multiplicity represented by this object
      * completely includes the multiplicity represented by the
      * other object. For example, we say [1,3] includes [1,2] but
      * [2,4] doesn't include [1,3].
      */
     public boolean includes( Multiplicity rhs ) {
         if (rhs.min.compareTo(min) == -1)   return false;
         if (max==null) return true;
         if (rhs.max==null) return false;
         return rhs.max.compareTo(max) <= 0;
     }
     /**
      * Returns the string representation of the 'max' property.
      * Either a number or a token "unbounded".
      */
     public String getMaxString() {
         if(max==null)       return "unbounded";
         else                return max.toString();
     }
     /** gets the string representation.
      * mainly debug purpose.
      */
     @Override
     public String toString() {
         return "("+min+','+getMaxString()+')';
     }
     /** the constant representing the (0,0) multiplicity. */
     public static final Multiplicity ZERO = new Multiplicity(0,0);
     /** the constant representing the (1,1) multiplicity. */
     public static final Multiplicity ONE = new Multiplicity(1,1);
     /** the constant representing the (0,1) multiplicity. */
     public static final Multiplicity OPTIONAL = new Multiplicity(0,1);
     /** the constant representing the (0,unbounded) multiplicity. */
     public static final Multiplicity STAR = new Multiplicity(0,null);
     /** the constant representing the (1,unbounded) multiplicity. */
     public static final Multiplicity PLUS = new Multiplicity(1,null);
 // arithmetic methods
     public static Multiplicity choice( Multiplicity lhs, Multiplicity rhs ) {
         return create(
             lhs.min.min(rhs.min),
             (lhs.max==null || rhs.max==null) ? null : lhs.max.max(rhs.max) );
     }
     public static Multiplicity group( Multiplicity lhs, Multiplicity rhs ) {
         return create(
             lhs.min.add(rhs.min),
             (lhs.max==null || rhs.max==null) ? null : lhs.max.add(rhs.max) );
     }
     public static Multiplicity multiply( Multiplicity lhs, Multiplicity rhs ) {
         BigInteger min = lhs.min.multiply(rhs.min);
         BigInteger max;
         if (isZero(lhs.max) || isZero(rhs.max))
             max = BigInteger.ZERO;
         else
         if (lhs.max==null || rhs.max==null)
             max = null;
         else
             max = lhs.max.multiply(rhs.max);
         return create(min,max);
     }
     private static boolean isZero(BigInteger i) {
         return (i != null && BigInteger.ZERO.equals(i));
     }
     public static Multiplicity oneOrMore( Multiplicity c ) {
         if(c.max==null)  return c; // (x,*) => (x,*)
         if(BigInteger.ZERO.equals(c.max)) return c; // (0,0) => (0,0)
         else        return create( c.min, null );    // (x,y) => (x,*)
     }
     public Multiplicity makeOptional() {
         if (BigInteger.ZERO.equals(min)) return this;
         return create(BigInteger.ZERO, max);
     }
     public Multiplicity makeRepeated() {
         if (max==null || BigInteger.ZERO.equals(max))  return this;   // (0,0)* = (0,0)  and (n,unbounded)* = (n,unbounded)
         return create(min,null);
     }
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/tools/internal/xjc/model/Multiplicity.java@f4ace6971570 (annotated)

src/share/jaxws_classes/com/sun/tools/internal/xjc/model/Multiplicity.java