/*
* ModeShape (http://www.modeshape.org)
*
* 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.infinispan.schematic.internal.document;
import java.util.Map;
import org.infinispan.schematic.document.Document;
import org.infinispan.schematic.document.EditableArray;
import org.infinispan.schematic.document.EditableDocument;
import org.infinispan.schematic.document.Path;
import org.infinispan.schematic.internal.delta.DocumentObserver;
import org.infinispan.schematic.internal.delta.PutIfAbsentOperation;
import org.infinispan.schematic.internal.delta.PutOperation;
import org.infinispan.schematic.internal.delta.RemoveOperation;
public class ObservableDocumentEditor extends DocumentEditor {
private static final long serialVersionUID = 1L;
private final Path path;
private final DocumentObserver observer;
public ObservableDocumentEditor( MutableDocument document,
Path path,
DocumentObserver delta,
DocumentValueFactory factory ) {
super(document, factory);
this.path = path;
this.observer = delta;
}
@Override
protected Object doSetValue( String name,
Object newValue ) {
Object oldValue = super.doSetValue(name, newValue);
observer.addOperation(new PutOperation(path, name, copy(oldValue), copy(newValue)));
return oldValue;
}
@Override
protected Object doSetValueIfAbsent( String name,
Object value ) {
Object oldValue = super.doSetValue(name, value);
observer.addOperation(new PutIfAbsentOperation(path, name, copy(value)));
return oldValue;
}
@Override
protected void doSetAllValues( Document values ) {
if (values != null && !values.isEmpty()) {
for (Field field : values.fields()) {
doSetValue(field.getName(), field.getValue());
}
}
}
@Override
protected void doSetAllValues( Map<? extends String, ? extends Object> values ) {
if (values != null && !values.isEmpty()) {
for (Map.Entry<? extends String, ? extends Object> entry : values.entrySet()) {
doSetValue(entry.getKey(), entry.getValue());
}
}
}
@Override
public Object remove( String name ) {
Object oldValue = super.remove(name);
observer.addOperation(new RemoveOperation(path, name, copy(oldValue)));
return oldValue;
}
protected Object copy( Object value ) {
if (value instanceof MutableArray) return ((MutableArray)value).clone();
if (value instanceof MutableDocument) return ((MutableDocument)value).clone();
return value;
}
@Override
public void removeAll() {
super.removeAll();
observer.addOperation(new PutOperation(path.parent(), path.getLast(), copy(unwrap()), new BasicDocument()));
}
@Override
protected EditableDocument createEditableDocument( MutableDocument document,
String fieldName,
DocumentValueFactory factory ) {
return new ObservableDocumentEditor(document, path.with(fieldName), observer, factory);
}
@Override
protected EditableArray createEditableArray( MutableArray array,
String fieldName,
DocumentValueFactory factory ) {
return new ObservableArrayEditor(array, path.with(fieldName), observer, factory);
}
}