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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/management/MBeanParameterInfo.java | |
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Diffstat (limited to 'libjava/classpath/javax/management/MBeanParameterInfo.java')
-rw-r--r-- | libjava/classpath/javax/management/MBeanParameterInfo.java | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/libjava/classpath/javax/management/MBeanParameterInfo.java b/libjava/classpath/javax/management/MBeanParameterInfo.java new file mode 100644 index 000000000..9307de46d --- /dev/null +++ b/libjava/classpath/javax/management/MBeanParameterInfo.java @@ -0,0 +1,176 @@ +/* MBeanParameterInfo.java -- Information about an operation's parameters. + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package javax.management; + +/** + * Describes the parameters of a constructor or operation associated + * with a management bean. The information in this class is immutable + * as standard. Of course, subclasses may change this, but this + * behaviour is not recommended. + * + * @author Andrew John Hughes (gnu_andrew@member.fsf.org) + * @since 1.5 + */ +public class MBeanParameterInfo + extends MBeanFeatureInfo + implements Cloneable +{ + + /** + * Compatible with JDK 1.5 + */ + private static final long serialVersionUID = 7432616882776782338L; + + /** + * The type of the parameter, represented by the class name. + */ + private String type; + + /** + * Constructs a new {@link MBeanParameterInfo} using the specified + * name, description and type. + * + * @param name the name of the attribute. + * @param type the type of the attribute, in the form of its class name. + * @param desc a description of the attribute. + */ + public MBeanParameterInfo(String name, String type, String desc) + { + super(name, desc); + this.type = type; + } + + /** + * Returns a clone of this instance. The clone is created + * using just the method provided by {@link java.lang.Object}. + * Thus, the clone is just a shallow clone as returned by + * that method, and does not contain any deeper cloning based + * on the subject of this class. + * + * @return a clone of this instance. + * @see java.lang.Cloneable + */ + public Object clone() + { + try + { + return super.clone(); + } + catch (CloneNotSupportedException e) + { + /* This shouldn't happen; we implement Cloneable */ + throw new IllegalStateException("clone() called on " + + "non-cloneable object."); + } + } + + /** + * Compares this feature with the supplied object. This returns + * true iff the object is an instance of {@link MBeanParameterInfo}, + * {@link Object#equals()} returns true for a comparison of both the + * name and description of this parameter with that of the specified + * object (performed by the superclass), and the type of the two + * instances is equal. + * + * @param obj the object to compare. + * @return true if the object is a {@link MBeanParameterInfo} + * instance, + * <code>name.equals(object.getName())</code>, + * <code>description.equals(object.getDescription())</code>, + * and <code>type.equals(object.getType())</code>. + */ + public boolean equals(Object obj) + { + if (!(obj instanceof MBeanParameterInfo)) + return false; + if (!(super.equals(obj))) + return false; + MBeanParameterInfo o = (MBeanParameterInfo) obj; + return type.equals(o.getType()); + } + + /** + * Returns the type of this attribute, in the form of its class name. + * + * @return the type of this attribute. + */ + public String getType() + { + return type; + } + + /** + * Returns the hashcode of the parameter information as the sum of + * the hashcode of the superclass and the hashcode of the type. + * + * @return the hashcode of the parameter information. + */ + public int hashCode() + { + return super.hashCode() + type.hashCode(); + } + + /** + * <p> + * Returns a textual representation of this instance. This + * is constructed using the class name + * (<code>javax.management.MBeanParameterInfo</code>) along + * with the name, description and type of the parameter. + * </p> + * <p> + * As instances of this class are immutable, the return value + * is computed just once for each instance and reused + * throughout its life. + * </p> + * + * @return a @link{java.lang.String} instance representing + * the instance in textual form. + */ + public String toString() + { + if (string == null) + { + super.toString(); + string = string.substring(0, string.length() - 1) + + ",type=" + type + + "]"; + } + return string; + } + +} |