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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cayenne.crypto.batch;
import org.apache.cayenne.access.translator.DbAttributeBinding;
import org.apache.cayenne.access.translator.batch.BatchTranslator;
import org.apache.cayenne.access.translator.batch.BatchTranslatorFactory;
import org.apache.cayenne.crypto.transformer.BindingsTransformer;
import org.apache.cayenne.crypto.transformer.TransformerFactory;
import org.apache.cayenne.dba.DbAdapter;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.query.BatchQuery;
import org.apache.cayenne.query.BatchQueryRow;
/**
* @since 4.0
*/
public class CryptoBatchTranslatorFactoryDecorator implements BatchTranslatorFactory {
private TransformerFactory cryptoFactory;
private BatchTranslatorFactory delegate;
public CryptoBatchTranslatorFactoryDecorator(@Inject BatchTranslatorFactory delegate,
@Inject TransformerFactory cryptoFactory) {
this.cryptoFactory = cryptoFactory;
this.delegate = delegate;
}
@Override
public BatchTranslator translator(BatchQuery query, final DbAdapter adapter, String trimFunction) {
final BatchTranslator delegateTranslator = delegate.translator(query, adapter, trimFunction);
return new BatchTranslator() {
private boolean encryptorCompiled;
private BindingsTransformer encryptor;
private void ensureEncryptorCompiled() {
if (!encryptorCompiled) {
encryptor = cryptoFactory.encryptor(getBindings(), adapter.getExtendedTypes());
encryptorCompiled = true;
}
}
@Override
public String getSql() {
return delegateTranslator.getSql();
}
@Override
public DbAttributeBinding[] getBindings() {
return delegateTranslator.getBindings();
}
@Override
public DbAttributeBinding[] updateBindings(BatchQueryRow row) {
ensureEncryptorCompiled();
DbAttributeBinding[] bindings = delegateTranslator.updateBindings(row);
if (encryptor != null) {
encryptor.transform(bindings);
}
return bindings;
}
};
}
}