| /* |
| * 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.batchee.jsefa; |
| |
| import net.sf.jsefa.Serializer; |
| import org.apache.batchee.doc.api.Documentation; |
| import org.apache.batchee.extras.transaction.TransactionalWriter; |
| |
| import javax.batch.api.BatchProperty; |
| import javax.batch.api.chunk.ItemWriter; |
| import javax.batch.operations.BatchRuntimeException; |
| import javax.inject.Inject; |
| import java.io.File; |
| import java.io.Serializable; |
| import java.util.List; |
| |
| public abstract class JSefaWriter implements ItemWriter { |
| @Inject |
| @BatchProperty |
| @Documentation("object types to use") |
| protected String objectTypes; |
| |
| @Inject |
| @BatchProperty |
| @Documentation("validation mode (AUTO, CALLBACK, NONE)") |
| protected String validationMode; |
| |
| @Inject |
| @BatchProperty |
| @Documentation("object accessor provider implementation") |
| protected String objectAccessorProvider; |
| |
| @Inject |
| @BatchProperty |
| @Documentation("validation provider implementation") |
| protected String validationProvider; |
| |
| @Inject |
| @BatchProperty |
| @Documentation("simple type provider implementation") |
| protected String simpleTypeProvider; |
| |
| @Inject |
| @BatchProperty |
| @Documentation("type mapping registry to use") |
| protected String typeMappingRegistry; |
| |
| @Inject |
| @BatchProperty |
| @Documentation("file to write") |
| protected String file; |
| |
| @Inject |
| @BatchProperty |
| @Documentation("output file encoding") |
| protected String encoding; |
| |
| protected Serializer serializer; |
| protected TransactionalWriter transactionalWriter; |
| |
| @Override |
| public void open(final Serializable checkpoint) throws Exception { |
| final File f = new File(file); |
| if (!f.getParentFile().exists() && !f.getParentFile().mkdirs()) { |
| throw new BatchRuntimeException(f.getParentFile().getAbsolutePath()); |
| } |
| |
| serializer = createSerializer(); |
| transactionalWriter = new TransactionalWriter(f, encoding, checkpoint); |
| serializer.open(transactionalWriter); |
| } |
| |
| protected abstract Serializer createSerializer() throws Exception; |
| |
| @Override |
| public void close() throws Exception { |
| if (serializer != null) { |
| serializer.close(true); |
| } |
| } |
| |
| @Override |
| public void writeItems(final List<Object> items) throws Exception { |
| for (final Object item : items) { |
| serializer.write(item); |
| } |
| transactionalWriter.flush(); |
| } |
| |
| @Override |
| public Serializable checkpointInfo() throws Exception { |
| return transactionalWriter.position(); |
| } |
| } |