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/*
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* Copyright 1997-2007 Sun Microsystems, Inc. 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. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package com.sun.jmx.snmp;
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import java.io.Serializable;
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/**
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* Is an abstract representation of an SNMP Value.
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* All classes provided for dealing with SNMP types should derive from this
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* class.
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*
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* <p><b>This API is a Sun Microsystems internal API and is subject
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* to change without notice.</b></p>
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*/
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public abstract class SnmpValue implements Cloneable, Serializable, SnmpDataTypeEnums {
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/**
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* Returns a <CODE>String</CODE> form containing ASN.1 tagging information.
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* @return The <CODE>String</CODE> form.
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*/
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public String toAsn1String() {
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return "[" + getTypeName() + "] " + toString();
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}
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/**
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* Returns the value encoded as an OID.
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* The method is particularly useful when dealing with indexed table made of
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* several SNMP variables.
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* @return The value encoded as an OID.
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*/
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public abstract SnmpOid toOid() ;
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/**
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* Returns a textual description of the object.
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* @return ASN.1 textual description.
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*/
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public abstract String getTypeName() ;
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/**
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* Same as clone, but you cannot perform cloning using this object because
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* clone is protected. This method should call <CODE>clone()</CODE>.
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* @return The <CODE>SnmpValue</CODE> clone.
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*/
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public abstract SnmpValue duplicate() ;
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/**
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* This method returns <CODE>false</CODE> by default and is redefined
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* in the {@link com.sun.jmx.snmp.SnmpNull} class.
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*/
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public boolean isNoSuchObjectValue() {
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return false;
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}
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/**
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* This method returns <CODE>false</CODE> by default and is redefined
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* in the {@link com.sun.jmx.snmp.SnmpNull} class.
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*/
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public boolean isNoSuchInstanceValue() {
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return false;
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}
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/**
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* This method returns <CODE>false</CODE> by default and is redefined
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* in the {@link com.sun.jmx.snmp.SnmpNull} class.
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*/
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public boolean isEndOfMibViewValue() {
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return false;
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}
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}
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