| /* |
| * Copyright 2006 Niclas Hedhman. |
| * |
| * 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.zest.library.logging.log.service; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import org.apache.zest.api.Qi4j; |
| import org.apache.zest.api.composite.Composite; |
| import org.apache.zest.api.entity.EntityBuilder; |
| import org.apache.zest.api.entity.EntityComposite; |
| import org.apache.zest.api.injection.scope.Structure; |
| import org.apache.zest.api.service.ServiceComposite; |
| import org.apache.zest.api.unitofwork.ConcurrentEntityModificationException; |
| import org.apache.zest.api.unitofwork.UnitOfWork; |
| import org.apache.zest.api.unitofwork.UnitOfWorkCompletionException; |
| import org.apache.zest.api.unitofwork.UnitOfWorkFactory; |
| import org.apache.zest.library.logging.log.LogType; |
| import org.apache.zest.library.logging.log.records.CompositeLogRecord; |
| import org.apache.zest.library.logging.log.records.EntityLogRecord; |
| import org.apache.zest.library.logging.log.records.LogRecord; |
| import org.apache.zest.library.logging.log.records.ServiceLogRecord; |
| |
| import static org.apache.zest.functional.Iterables.first; |
| |
| public abstract class LoggingServiceMixin |
| implements LoggingService |
| { |
| @Structure private UnitOfWorkFactory uowf; |
| |
| public void log( LogType type, Composite composite, String category, String message ) |
| { |
| UnitOfWork uow = uowf.newUnitOfWork(); |
| try |
| { |
| List<Serializable> paramsList = new ArrayList<Serializable>(); |
| createLogRecord( uow, type, composite, category, message, paramsList ); |
| uow.complete(); |
| } |
| catch( ConcurrentEntityModificationException e ) |
| { |
| // ignore for now. Perhaps discard() and try again. |
| } |
| catch( UnitOfWorkCompletionException e ) |
| { |
| // ignore for now. Perhaps discard() and try again. |
| } |
| } |
| |
| public void log( LogType type, Composite composite, String category, String message, Serializable param1 ) |
| { |
| UnitOfWork uow = uowf.newUnitOfWork(); |
| try |
| { |
| List<Serializable> paramsList = new ArrayList<Serializable>(); |
| paramsList.add( param1 ); |
| createLogRecord( uow, type, composite, category, message, paramsList ); |
| uow.complete(); |
| } |
| catch( ConcurrentEntityModificationException e ) |
| { |
| // ignore for now. Perhaps discard() and try again. |
| } |
| catch( UnitOfWorkCompletionException e ) |
| { |
| // ignore for now. Perhaps discard() and try again. |
| } |
| } |
| |
| public void log( LogType type, Composite composite, String category, String message, Serializable param1, Serializable param2 ) |
| { |
| UnitOfWork uow = uowf.newUnitOfWork(); |
| try |
| { |
| List<Serializable> paramsList = new ArrayList<Serializable>(); |
| paramsList.add( param1 ); |
| paramsList.add( param2 ); |
| createLogRecord( uow, type, composite, category, message, paramsList ); |
| uow.complete(); |
| } |
| catch( ConcurrentEntityModificationException e ) |
| { |
| // ignore for now. Perhaps discard() and try again. |
| } |
| catch( UnitOfWorkCompletionException e ) |
| { |
| // ignore for now. Perhaps discard() and try again. |
| } |
| } |
| |
| @Override |
| public void log( LogType type, Composite composite, String category, String message, Serializable... params ) |
| { |
| UnitOfWork uow = uowf.newUnitOfWork(); |
| try |
| { |
| List<Serializable> paramsList = new ArrayList<Serializable>( Arrays.asList( params ) ); |
| createLogRecord( uow, type, composite, category, message, paramsList ); |
| uow.complete(); |
| } |
| catch( ConcurrentEntityModificationException e ) |
| { |
| // ignore for now. Perhaps discard() and try again. |
| } |
| catch( UnitOfWorkCompletionException e ) |
| { |
| // ignore for now. Perhaps discard() and try again. |
| } |
| } |
| |
| private void createLogRecord( UnitOfWork uow, LogType type, Composite composite, String category, String message, List<Serializable> params ) |
| { |
| if( composite instanceof ServiceComposite ) |
| { |
| EntityBuilder<ServiceLogRecord> builder = uow.newEntityBuilder( ServiceLogRecord.class ); |
| ServiceLogRecord state = builder.instance(); |
| setStandardStuff( type, composite, category, message, state, params ); |
| state.source().set( ( (ServiceComposite) composite ).identity().get() ); |
| ServiceLogRecord slr = builder.newInstance(); |
| } |
| else if( composite instanceof EntityComposite ) |
| { |
| EntityBuilder<EntityLogRecord> builder = uow.newEntityBuilder( EntityLogRecord.class ); |
| EntityLogRecord state = builder.instance(); |
| setStandardStuff( type, composite, category, message, state, params ); |
| state.source().set( (EntityComposite) composite ); |
| EntityLogRecord elr = builder.newInstance(); |
| } |
| else |
| { |
| EntityBuilder<CompositeLogRecord> builder = uow.newEntityBuilder( CompositeLogRecord.class ); |
| CompositeLogRecord state = builder.instance(); |
| setStandardStuff( type, composite, category, message, state, params ); |
| state.source().set( composite ); |
| CompositeLogRecord clr = builder.newInstance(); |
| } |
| } |
| |
| private void setStandardStuff( LogType type, Composite composite, String category, String message, |
| LogRecord state, List<Serializable> params ) |
| { |
| state.logtype().set( type ); |
| state.time().set( System.currentTimeMillis() ); |
| state.category().set( category ); |
| state.message().set( message ); |
| state.compositeTypeName().set( getCompositeName( composite ) ); |
| state.threadName().set( Thread.currentThread().getName() ); |
| state.parameters().set( params ); |
| } |
| |
| private String getCompositeName( Composite composite ) |
| { |
| return first( Qi4j.FUNCTION_DESCRIPTOR_FOR.map( composite ).types()).getName(); |
| } |
| } |