| // Copyright 2006, 2007, 2008, 2011 The Apache Software Foundation |
| // |
| // Licensed 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.tapestry5.ioc.internal; |
| |
| import java.lang.reflect.Method; |
| import java.util.Set; |
| |
| import org.apache.tapestry5.func.F; |
| import org.apache.tapestry5.func.Flow; |
| import org.apache.tapestry5.func.Mapper; |
| import org.apache.tapestry5.ioc.AnnotationProvider; |
| import org.apache.tapestry5.ioc.ObjectCreator; |
| import org.apache.tapestry5.ioc.ServiceBuilderResources; |
| import org.apache.tapestry5.ioc.def.ServiceDef; |
| import org.apache.tapestry5.ioc.def.ServiceDef3; |
| import org.apache.tapestry5.ioc.internal.services.AnnotationProviderChain; |
| import org.apache.tapestry5.ioc.internal.util.InternalUtils; |
| |
| public class ServiceDefImpl implements ServiceDef3 |
| { |
| private final Class serviceInterface; |
| |
| private final Class serviceImplementation; |
| |
| private final String serviceId; |
| |
| private final String scope; |
| |
| private final boolean eagerLoad; |
| |
| private final ObjectCreatorSource source; |
| |
| private final Set<Class> markers; |
| |
| private final boolean preventDecoration; |
| |
| /** |
| * @param serviceInterface |
| * interface implemented by the service (or the service implementation class, for |
| * non-proxied services) |
| * @param serviceImplementation |
| * service implementation class if exists |
| * @param serviceId |
| * unique id for the service |
| * @param markers |
| * set of marker annotation classes (will be retained not copied) |
| * @param scope |
| * scope of the service (i.e., {@link org.apache.tapestry5.ioc.ScopeConstants#DEFAULT}). |
| * @param eagerLoad |
| * if true, the service is realized at startup, rather than on-demand |
| * @param preventDecoration |
| * if true, the service may not be decorated |
| * @param source |
| * used to create the service implementation when needed |
| */ |
| ServiceDefImpl(Class serviceInterface, Class serviceImplementation, String serviceId, Set<Class> markers, |
| String scope, boolean eagerLoad, boolean preventDecoration, ObjectCreatorSource source) |
| { |
| this.serviceInterface = serviceInterface; |
| this.serviceImplementation = serviceImplementation; |
| this.serviceId = serviceId; |
| this.scope = scope; |
| this.eagerLoad = eagerLoad; |
| this.preventDecoration = preventDecoration; |
| this.source = source; |
| |
| this.markers = markers; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return source.getDescription(); |
| } |
| |
| @Override |
| public ObjectCreator createServiceCreator(ServiceBuilderResources resources) |
| { |
| return source.constructCreator(resources); |
| } |
| |
| @Override |
| public String getServiceId() |
| { |
| return serviceId; |
| } |
| |
| @Override |
| public Class getServiceInterface() |
| { |
| return serviceInterface; |
| } |
| |
| @Override |
| public Class getServiceImplementation() |
| { |
| return serviceImplementation; |
| } |
| |
| @Override |
| public String getServiceScope() |
| { |
| return scope; |
| } |
| |
| @Override |
| public boolean isEagerLoad() |
| { |
| return eagerLoad; |
| } |
| |
| @Override |
| public Set<Class> getMarkers() |
| { |
| return markers; |
| } |
| |
| @Override |
| public boolean isPreventDecoration() |
| { |
| return preventDecoration; |
| } |
| |
| private Flow<Class> searchPath() |
| { |
| return F.flow(serviceImplementation, serviceInterface).removeNulls(); |
| } |
| |
| @Override |
| public AnnotationProvider getClassAnnotationProvider() |
| { |
| return AnnotationProviderChain.create(searchPath().map(InternalUtils.CLASS_TO_AP_MAPPER).toList()); |
| } |
| |
| @Override |
| public AnnotationProvider getMethodAnnotationProvider(final String methodName, final Class... argumentTypes) |
| { |
| return AnnotationProviderChain.create(searchPath().map(new Mapper<Class, Method>() |
| { |
| @Override |
| public Method map(Class element) |
| { |
| return InternalUtils.findMethod(element, methodName, argumentTypes); |
| } |
| }).map(InternalUtils.METHOD_TO_AP_MAPPER).toList()); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((serviceId == null) ? 0 : serviceId.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) |
| { |
| if (this == obj) { return true; } |
| if (obj == null) { return false; } |
| if (!(obj instanceof ServiceDefImpl)) { return false; } |
| ServiceDef other = (ServiceDef) obj; |
| if (serviceId == null) |
| { |
| if (other.getServiceId() != null) { return false; } |
| } |
| else if (!serviceId.equals(other.getServiceId())) { return false; } |
| return true; |
| } |
| |
| } |