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/*
*
* * Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.com)
* *
* * 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.
* *
* * For more information: http://www.orientechnologies.com
*
*/
package com.orientechnologies.orient.core.fetch;
import com.orientechnologies.orient.core.db.record.OIdentifiable;
import com.orientechnologies.orient.core.exception.OFetchException;
import com.orientechnologies.orient.core.record.impl.ODocument;
/**
* Listener interface used while fetching records.
*
* @author Luca Garulli
*
*/
public interface OFetchListener {
/**
* Fetch the linked field.
*
* @param iRoot
* @param iFieldName
* @param iLinked
* @return null if the fetching must stop, otherwise the current field value
*/
public Object fetchLinked(final ODocument iRoot, final Object iUserObject, final String iFieldName, final ODocument iLinked,
final OFetchContext iContext) throws OFetchException;
public void parseLinked(final ODocument iRootRecord, final OIdentifiable iLinked, final Object iUserObject,
final String iFieldName, final OFetchContext iContext) throws OFetchException;
public void parseLinkedCollectionValue(final ODocument iRootRecord, final OIdentifiable iLinked, final Object iUserObject,
final String iFieldName, final OFetchContext iContext) throws OFetchException;
public Object fetchLinkedMapEntry(final ODocument iRoot, final Object iUserObject, final String iFieldName, final String iKey,
final ODocument iLinked, final OFetchContext iContext) throws OFetchException;
public Object fetchLinkedCollectionValue(final ODocument iRoot, final Object iUserObject, final String iFieldName,
final ODocument iLinked, final OFetchContext iContext) throws OFetchException;
public void processStandardField(final ODocument iRecord, final Object iFieldValue, final String iFieldName,
final OFetchContext iContext, final Object iUserObject, String iFormat) throws OFetchException;
public void skipStandardField(final ODocument iRecord, final String iFieldName, final OFetchContext iContext,
final Object iUserObject, String iFormat) throws OFetchException;
}