| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.qpid.management.domain.model; |
| |
| import org.apache.qpid.management.Messages; |
| import org.apache.qpid.management.domain.model.type.Type; |
| import org.apache.qpid.transport.codec.Decoder; |
| import org.apache.qpid.transport.util.Logger; |
| |
| /** |
| * Layer supertype for qpid properties and statistics. |
| * |
| * @author Andrea Gazzarini |
| */ |
| class QpidAttribute extends QpidFeature |
| { |
| private final static Logger LOGGER = Logger.get(QpidAttribute.class); |
| |
| /** feature type */ |
| protected Type _type; |
| |
| /** feature unit */ |
| protected String _unit; |
| |
| /** |
| * Returns the units used for numeric values (i.e. seconds, bytes, etc.) |
| * |
| * @return the units used for numeric values (i.e. seconds, bytes, etc.) |
| */ |
| String getUnit () |
| { |
| return _unit; |
| } |
| |
| /** |
| * Sets the unit for this property. |
| * |
| * @param unit the unit of this property. |
| */ |
| void setUnit (String unit) |
| { |
| this._unit = unit; |
| } |
| |
| /** |
| * Returns the java type (class) of this feature. |
| * |
| * @return the java type (class) of this feature. |
| */ |
| Class<?> getJavaType () |
| { |
| return _type.getJavaType(); |
| } |
| |
| /** |
| * Sets the type of this feature. |
| * |
| * @param type the type of this feature. |
| */ |
| void setType (Type type) |
| { |
| this._type = type; |
| } |
| |
| /** |
| * Gets the value of this feature according to its type definition. |
| * |
| * @param decoder the decoder used to extract the value. |
| * @return the value of this feature according to its type definition |
| */ |
| Object decodeValue(Decoder decoder) |
| { |
| try { |
| return _type.decode(decoder); |
| } catch(RuntimeException exception) |
| { |
| LOGGER.error(exception,Messages.QMAN_100014_ATTRIBUTE_DECODING_FAILURE,this); |
| throw exception; |
| } |
| } |
| |
| @Override |
| public String toString () |
| { |
| return super.toString()+",type="+_type; |
| } |
| } |