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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
BuilderFacet.java | 75% | 71.4% | 60% | 70.4% |
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// Copyright 2004 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package org.apache.hivemind.service.impl;
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import org.apache.hivemind.impl.BaseLocatable;
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import org.apache.hivemind.internal.Module;
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import org.apache.hivemind.util.PropertyUtils;
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/**
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* Represents one facet of constructing a service implementation instance.
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* A facet is either a property to be set on the constructed instance,
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* or a parameter to the instance class' constructor. Facets are nested
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* properties within {@link org.apache.hivemind.service.impl.BuilderParameter},
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* and are used by {@link org.apache.hivemind.service.impl.BuilderFactory}.
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*
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* @author Howard Lewis Ship
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*/
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public abstract class BuilderFacet extends BaseLocatable |
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{ |
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private String _propertyName;
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/**
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* Implemented in subclasses to provide a specific value for the facet
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* (for use as a constructor parameter, or as a value to set a property to).
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*
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* @param point the service extension point for which BuilderFactory is constructing
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* a core service implementation instance.
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* @param invokingModule the Module which invoked the BuilderFactory
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* @param targetType the desired property type (extracted from the property type
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* of the property to be updated, when a property is known)
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*/
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public abstract Object getFacetValue(String serviceId, Module invokingModule, Class targetType);
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public String getPropertyName()
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{ |
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return _propertyName;
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} |
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public void setPropertyName(String string) |
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{ |
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_propertyName = string; |
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} |
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public void autowire(Object target, String serviceId, Module invokingModule) |
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{ |
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if (_propertyName != null) |
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return;
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String defaultPropertyName = getDefaultPropertyName(); |
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if (defaultPropertyName == null) |
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return;
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Class facetType = getFacetType(); |
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if (facetType == null) |
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return;
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if (PropertyUtils.isWritable(target, defaultPropertyName)
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&& PropertyUtils.getPropertyType(target, defaultPropertyName).isAssignableFrom( |
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facetType)) |
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PropertyUtils.write( |
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target, |
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defaultPropertyName, |
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getFacetValue(serviceId, invokingModule, facetType)); |
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} |
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/**
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* Returns null. Subclasses can provide the default name for a property used
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* by {@link #autowire(Object)}.
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*/
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protected String getDefaultPropertyName()
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{ |
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return null; |
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} |
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/**
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* Returns the type of property assigned by this facet, if known. Returns null
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* otherwise. This implementation returns null. Used by
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* {@link #autowire(Object, String, Module)}.
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*/
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protected Class getFacetType()
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{ |
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return null; |
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} |
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} |
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