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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;
/**
* Visitor interface for visiting all properties belong to a snapshot.
* @author AMOCZ
* @see SnapshotDefinition
*/
public interface ObjectPropertyVisitor {
void startDataObject(Object instance, Type type) throws Exception;
boolean visitProperty(Object instance, Property property, Object value) throws Exception;
void visitProxyProperty(Object instance, Property property, Object identity) throws Exception;
void endDataObject(Object instance, Type type) throws Exception;
/**
* Bulk properties are properties that are heavy to retrieve and as such should
* be visited in bulk. A typical example is a property that can only be filled in
* by doing a query.
* Bulk properties are visited after all other objects have been visited.
*/
void visitBulkProperty(Object instance, Property property, SnapshotDefinition subselect);
}
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