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/**
*
* 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 com.agfa.hap.sdo.mapper;
import java.util.Collection;
import java.util.Iterator;
import com.agfa.hap.sdo.DataMapper;
import com.agfa.hap.sdo.PartialDataObject;
import com.agfa.hap.sdo.Property;
import com.agfa.hap.sdo.SnapshotDefinition;
import com.agfa.hap.sdo.Type;
/**
* @author awvjz
*
* this datamapper wraps another datamapper and delegates to this second mapper in case the object it has to work with are not partialdataobjects
*
*/
public class DelegatingPartialDataObjectMapper<T> implements DataMapper<T> {
private DataMapper<T> delegate;
private PartialDataObjectMapper defaultMapper = new PartialDataObjectMapper();
public DelegatingPartialDataObjectMapper(DataMapper<T> delegateDataMapper){
delegate = delegateDataMapper;
}
public T create(Type type) {
T instance = delegate.create(type);
if (instance == null){
return (T) defaultMapper.create(type);
}
return instance;
}
public Type getCorrespondingType(Class clazz) {
Type type = null;
try {
type = delegate.getCorrespondingType(clazz);
} catch (IllegalArgumentException e){
//no type was found
}
if (type == null){
return defaultMapper.getCorrespondingType(clazz);
}
return type;
}
public Object getProperty(T object, Property property) {
if (object instanceof PartialDataObject){
return defaultMapper.getProperty((PartialDataObject) object, property);
}
return delegate.getProperty(object, property);
}
public T newProxy(Type type, Object identity) {
T proxy = delegate.newProxy(type, identity);
if (proxy == null){
return (T) defaultMapper.newProxy(type, identity);
}
return proxy;
}
public Iterator<? extends T> getObjects(T object, Property property) {
if (object instanceof PartialDataObject){
return (Iterator<? extends T>) defaultMapper.getObjects((PartialDataObject) object, property);
}
return delegate.getObjects(object, property);
}
public Type getType(T object) {
if (object instanceof PartialDataObject){
return defaultMapper.getType((PartialDataObject) object);
}
return delegate.getType(object);
}
public boolean isProxy(T object) {
if (object instanceof PartialDataObject){
return defaultMapper.isProxy((PartialDataObject) object);
}
return delegate.isProxy(object);
}
public void setProperty(T object, Property property, Object value) {
if (object instanceof PartialDataObject){
defaultMapper.setProperty((PartialDataObject) object, property, value);
} else {
delegate.setProperty(object, property, value);
}
}
public void setUnavailable(T object, Property property) {
if (object instanceof PartialDataObject){
defaultMapper.setUnavailable((PartialDataObject) object, property);
} else {
delegate.setUnavailable(object, property);
}
}
public Collection<T> getProperties(Collection<T> object, Property bulkProperty, SnapshotDefinition def) {
return delegate.getProperties(object, bulkProperty, def);
}
public boolean isBulkProperty(Class clazz, Property property) {
if (PartialDataObject.class.isAssignableFrom(clazz)) {
return false;
}
return delegate.isBulkProperty(clazz, property);
}
}
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