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Diffstat (limited to 'trunk/qpid/java/management/client/src/main/java/org/apache/qpid/management/domain/model/QpidFeatureBuilder.java')
| -rw-r--r-- | trunk/qpid/java/management/client/src/main/java/org/apache/qpid/management/domain/model/QpidFeatureBuilder.java | 454 |
1 files changed, 0 insertions, 454 deletions
diff --git a/trunk/qpid/java/management/client/src/main/java/org/apache/qpid/management/domain/model/QpidFeatureBuilder.java b/trunk/qpid/java/management/client/src/main/java/org/apache/qpid/management/domain/model/QpidFeatureBuilder.java deleted file mode 100644 index d0862c15ca..0000000000 --- a/trunk/qpid/java/management/client/src/main/java/org/apache/qpid/management/domain/model/QpidFeatureBuilder.java +++ /dev/null @@ -1,454 +0,0 @@ -/* - * - * 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 java.util.ArrayList; -import java.util.LinkedList; -import java.util.List; -import java.util.Map; -import java.util.Map.Entry; - -import javax.management.MBeanAttributeInfo; -import javax.management.MBeanFeatureInfo; -import javax.management.MBeanOperationInfo; -import javax.management.MBeanParameterInfo; - -import org.apache.qpid.management.configuration.Configuration; -import org.apache.qpid.management.configuration.UnknownTypeCodeException; -import org.apache.qpid.management.domain.handler.impl.MethodOrEventDataTransferObject; -import org.apache.qpid.management.Names; - -/** - * A builder used to parse incoming schema message and therefore to build a feature (property, statistic, method, event) - * definition. - * In order to set up the correct state for this builder, clients must create an instance of this class - * The product of the builder will be a QpidFeature and a JMX Managemtn feature used for describing that feature in a - * JMX environment. So, for example, for building a property definition client code should be : - * - * <br>- QpidFeatureBuilder builder = QpidFeature.createPropertyBuilder(...); - * <br>- builder.build(); - * <br>- QpidProperty property = (QpidProperty) builder.getQpidFeature(); - * <br>- MBeanAttributeInfo managementAttributeInfo = (MBeanAttributeInfo)builder.getManagementFeature(); - * - * <br>N.B.: a builder instance is not supposed to be reused. One instance for one feature! - * - * @author Andrea Gazzarini - */ -class QpidFeatureBuilder -{ - - static enum Attribute { - name,type,access,index,optional,unit,min,max,maxlen,desc,dir,argCount; - }; - - private List<Attribute> _mandatoryAttributes = new ArrayList<Attribute>(); - - /** - * Builder state for this class. - * Each concrete implementor is a builder for a specific feature. - * using the appropriate factory method. - * - * @author Andrea Gazzarini - */ - interface State { - void build() throws UnableToBuildFeatureException; - } - - /** - * Builder used for building property definition. - */ - final State _propertyBuilder = new State() { - - /** - * Builds a property definition as well a management attribute feature. - */ - public void build () throws UnableToBuildFeatureException - { - QpidProperty property = new QpidProperty(); - try { - int optionalIndex = 0; - for (Entry<String, Object> propertyAttribute : _featureDefinition.entrySet()) - { - Attribute attribute = Attribute.valueOf(propertyAttribute.getKey()); - switch(attribute) - { - case name : - { - property.setName(String.valueOf(propertyAttribute.getValue())); - break; - } - case access : - { - int code = (Integer)propertyAttribute.getValue(); - property.setAccessMode(Configuration.getInstance().getAccessMode(code)); - break; - } - case unit : - { - property.setUnit(String.valueOf(propertyAttribute.getValue())); - break; - } - case min : - { - property.setMinValue((Integer)propertyAttribute.getValue()); - break; - } - case max : - { - property.setMaxValue((Integer)propertyAttribute.getValue()); - break; - } - case maxlen : - { - property.setMaxLength((Integer)propertyAttribute.getValue()); - break; - } - case desc : - { - property.setDescription(String.valueOf(propertyAttribute.getValue())); - break; - } - case type : - { - int code = (Integer) propertyAttribute.getValue(); - property.setType(Configuration.getInstance().getType(code)); - break; - } - case index : - { - break; - } - case optional : - { - int code = (Integer) propertyAttribute.getValue(); - if (code == 1) - { - property.markAsOptional(optionalIndex); - optionalIndex++; - } - break; - } - } - _mandatoryAttributes.remove(attribute); - } - } catch(Exception exception) - { - throw new UnableToBuildFeatureException(exception,property.getName()); - } - - if (!_mandatoryAttributes.isEmpty()) - { - throw new MissingFeatureAttributesException(_mandatoryAttributes); - } - - _managementFeatureInfo = new MBeanAttributeInfo( - property.getName(), - property.getJavaType().getName(), - property.getDescription(), - true, - property.getAccessMode()==AccessMode.RW, - false); - _qpidFeature = property; - } - }; - - final State _statisticBuilder = new State() - { - public void build () throws UnableToBuildFeatureException - { - QpidStatistic statistic = new QpidStatistic(); - try - { - for (Entry<String, Object> statisticAttribute : _featureDefinition.entrySet()) - { - Attribute attribute = Attribute.valueOf(statisticAttribute.getKey()); - switch(attribute) - { - case name : - { - statistic.setName(String.valueOf(statisticAttribute.getValue())); - break; - } - case unit : - { - statistic.setUnit(String.valueOf(statisticAttribute.getValue())); - break; - } - case desc : - { - statistic.setDescription(String.valueOf(statisticAttribute.getValue())); - break; - } - case type : - { - int code = (Integer) statisticAttribute.getValue(); - statistic.setType(Configuration.getInstance().getType(code)); - break; - } - } - _mandatoryAttributes.remove(attribute); - } - } catch(Exception exception) - { - throw new UnableToBuildFeatureException(exception,statistic.getName()); - } - - if (!_mandatoryAttributes.isEmpty()) - { - throw new MissingFeatureAttributesException(_mandatoryAttributes); - } - - _managementFeatureInfo = new MBeanAttributeInfo( - statistic.getName(), - statistic.getJavaType().getName(), - statistic.getDescription(), - true, - false, - false); - _qpidFeature = statistic; - } - }; - - /** - * Builder used for building a statistic definition. - */ - final State _argumentBuilder = new State() - { - /** - * Builds a property definition as well a management attribute feature. - */ - public void build () throws UnableToBuildFeatureException - { - QpidArgument argument = new QpidArgument(); - for (Entry<String, Object> argumentAttribute : _featureDefinition.entrySet()) - { - String key = argumentAttribute.getKey(); - if (Names.DEFAULT_PARAM_NAME.equals(key)) - { - argument.setDefaultValue(argumentAttribute.getValue()); - } else { - Attribute attribute = Attribute.valueOf(key); - switch (attribute) - { - case name : - { - argument.setName((String)argumentAttribute.getValue()); - break; - } - case desc : - { - argument.setDescription((String)argumentAttribute.getValue()); - break; - } - case type : - { - try - { - argument.setType(Configuration.getInstance().getType((Integer)argumentAttribute.getValue())); - break; - } catch(UnknownTypeCodeException exception) - { - throw new UnableToBuildFeatureException(exception,argument.getName()); - } - } - case dir : - { - argument.setDirection((String)argumentAttribute.getValue()); - break; - } - case unit : - { - argument.setUnit((String)argumentAttribute.getValue()); - break; - - } - } - } - } - - if (!_mandatoryAttributes.isEmpty()) - { - throw new MissingFeatureAttributesException(_mandatoryAttributes); - } - - _qpidFeature = argument; - _managementFeatureInfo = new MBeanParameterInfo( - argument.getName(), - argument.getJavaType().getName(), - argument.getDescription()); - } - }; - - final State _methodBuilder = new State() - { - public void build () throws UnableToBuildFeatureException - { - Map<String,Object> definition = _methodOrEventDefinition.getDefinition(); - String name = (String)definition.get(Attribute.name.name()); - if (name == null) - { - throw new MissingFeatureAttributesException(_mandatoryAttributes); - } - - QpidMethod method = new QpidMethod((String)definition.get(Attribute.name.name()),(String) definition.get(Attribute.desc.name())); - - List<Map<String,Object>> args = _methodOrEventDefinition.getArgumentsDefinitions(); - - List<MBeanParameterInfo> signature = new LinkedList<MBeanParameterInfo>(); - - for (Map<String,Object> argumentDefinition : args) - { - QpidFeatureBuilder builder = QpidFeatureBuilder.createArgumentBuilder(argumentDefinition); - builder.build(); - - QpidArgument argument = (QpidArgument) builder.getQpidFeature(); - method.addArgument(argument); - if (argument.isInput()) - { - signature.add((MBeanParameterInfo) builder.getManagementFeature()); - } - } - - _qpidFeature = method; - _managementFeatureInfo = new MBeanOperationInfo( - method.getName(), - method.getDescription(), - (MBeanParameterInfo[])signature.toArray(new MBeanParameterInfo[signature.size()]), - void.class.getName(), - MBeanOperationInfo.ACTION); - } - }; - - final State _eventBuilder = new State() - { - public void build () throws UnableToBuildFeatureException - { - } - }; - - private MBeanFeatureInfo _managementFeatureInfo; - private QpidFeature _qpidFeature; - private final Map <String, Object> _featureDefinition; - private final MethodOrEventDataTransferObject _methodOrEventDefinition; - private State _state; - - static QpidFeatureBuilder createPropertyBuilder(Map<String, Object> propertyDefinition) - { - QpidFeatureBuilder result = new QpidFeatureBuilder(propertyDefinition); - result._state = result._propertyBuilder; - result._mandatoryAttributes.add(Attribute.name); - result._mandatoryAttributes.add(Attribute.access); - result._mandatoryAttributes.add(Attribute.type); - result._mandatoryAttributes.add(Attribute.optional); - result._mandatoryAttributes.add(Attribute.index); - return result; - } - - static QpidFeatureBuilder createStatisticBuilder(Map<String, Object> statisticDefinition) - { - QpidFeatureBuilder result = new QpidFeatureBuilder(statisticDefinition); - result._state = result._statisticBuilder; - result._mandatoryAttributes.add(Attribute.name); - result._mandatoryAttributes.add(Attribute.type); - return result; - } - - static QpidFeatureBuilder createEventBuilder(Map<String, Object> eventDefinition) - { - QpidFeatureBuilder result = new QpidFeatureBuilder(eventDefinition); - result._state = result._eventBuilder; - return result; - } - - static QpidFeatureBuilder createMethodBuilder(MethodOrEventDataTransferObject methodDefinition) - { - QpidFeatureBuilder result = new QpidFeatureBuilder(methodDefinition); - result._state = result._methodBuilder; - result._mandatoryAttributes.add(Attribute.name); - return result; - } - - private static QpidFeatureBuilder createArgumentBuilder(Map<String, Object> argumentDefinition) - { - QpidFeatureBuilder result = new QpidFeatureBuilder(argumentDefinition); - result._state = result._argumentBuilder; - return result; - } - - - /** - * Builds new builder with the given data. - * This constructor is used for building properties, statistics and arguments. - * - * @param definition the feature definition data. - */ - private QpidFeatureBuilder(Map<String, Object> definition) - { - this._featureDefinition = definition; - this._methodOrEventDefinition = null; - } - - /** - * Builds new builder with the given data. - * This constructor is used for building properties, statistics and arguments. - * - * @param definition the feature definition data. - */ - private QpidFeatureBuilder(MethodOrEventDataTransferObject definition) - { - this._featureDefinition = null; - this._methodOrEventDefinition = definition; - } - - /** - * Returns the just built qpid feature. - * - * @return the qpid feature. - */ - QpidFeature getQpidFeature() - { - return _qpidFeature; - } - - /** - * Return the jmx metadata for the built feature. - * - * @return the jmx metadata for the built feature. - */ - MBeanFeatureInfo getManagementFeature() - { - return _managementFeatureInfo; - } - - void build() throws UnableToBuildFeatureException - { - try - { - _state.build(); - } catch(UnableToBuildFeatureException exception) - { - throw exception; - } catch(Exception exception) - { - throw new UnableToBuildFeatureException(exception,"Feature name is not available for debugging."); - } - } -} |