/*
* Copyright (c) 2010, Stanislav Muhametsin.
* Copyright (c) 2012, Paul Merlin.
*
* 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.qi4j.index.sql.assembly;
import java.io.IOException;
import org.qi4j.api.common.Visibility;
import org.qi4j.bootstrap.Assembler;
import org.qi4j.bootstrap.AssemblyException;
import org.qi4j.bootstrap.ModuleAssembly;
import org.qi4j.index.reindexer.ReindexerConfiguration;
import org.qi4j.index.reindexer.ReindexerService;
import org.qi4j.index.sql.support.common.ReindexingStrategy;
import org.qi4j.library.sql.common.SQLConfiguration;
import org.sql.generation.api.vendor.SQLVendor;
import org.sql.generation.api.vendor.SQLVendorProvider;
public abstract class AbstractSQLIndexQueryAssembler<T extends AbstractSQLIndexQueryAssembler>
implements Assembler
{
public static final String DEFAULT_IDENTITY = "indexing-sql";
private String identity = DEFAULT_IDENTITY;
private Visibility visibility = Visibility.module;
private ModuleAssembly configModule;
private Visibility configVisibility = Visibility.module;
private Class<? extends ReindexingStrategy> reindexingStrategy = ReindexingStrategy.NeverNeed.class;
public T identifiedBy( String identity )
{
this.identity = identity;
return ( T ) this;
}
public T visibleIn( Visibility visibility )
{
this.visibility = visibility;
return ( T ) this;
}
public T withConfig( ModuleAssembly configModule )
{
this.configModule = configModule;
return ( T ) this;
}
public T withConfigVisibility( Visibility configVisibility )
{
this.configVisibility = configVisibility;
return ( T ) this;
}
public T withReindexingStrategy( Class<? extends ReindexingStrategy> reindexingStrategy )
{
this.reindexingStrategy = reindexingStrategy;
return ( T ) this;
}
protected SQLVendor getSQLVendor()
throws IOException
{
return SQLVendorProvider.createVendor( SQLVendor.class );
}
protected abstract Class<?> getIndexQueryServiceType();
@Override
public final void assemble( ModuleAssembly module )
throws AssemblyException
{
if ( configModule == null ) {
configModule = module;
}
try {
SQLVendor sqlVendor = getSQLVendor();
if ( sqlVendor == null ) {
throw new AssemblyException( "SQL Vendor could not be determined." );
}
module.services( getIndexQueryServiceType() )
.identifiedBy( identity )
.setMetaInfo( sqlVendor )
.visibleIn( visibility )
.instantiateOnStartup();
} catch ( IOException ex ) {
throw new AssemblyException( "SQL Vendor could not be created", ex );
}
module.services( ReindexerService.class ).
visibleIn( Visibility.module );
module.services( ReindexingStrategy.class ).
withMixins( reindexingStrategy ).
visibleIn( Visibility.module );
configModule.entities( SQLConfiguration.class,
ReindexerConfiguration.class ).
visibleIn( configVisibility );
}
}