/
ColumnObserverParser.java
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/
ColumnObserverParser.java
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/*
*
* Copyright (c) 2023 Contributors to the Eclipse Foundation
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Apache License v2.0 is available at http://www.opensource.org/licenses/apache2.0.php.
*
* You may elect to redistribute this code under either of these licenses.
*
* Contributors:
*
* Otavio Santana
*
*/
package org.eclipse.jnosql.communication.column;
/**
* An observer to a parser; this observer allows checking both the name of an entity and the fields.
* This observer might be used to the mapper process.
*/
public interface ColumnObserverParser {
ColumnObserverParser EMPTY = new ColumnObserverParser() {
};
/**
* Fire an event to entity name
*
* @param entity the entity
* @return the field result
* @throws NullPointerException when the entity is null
*/
default String fireEntity(String entity) {
return entity;
}
/**
* Fire an event to each field in case of mapper process
*
* @param field the field
* @param entity the entity
* @return the field result
* @throws NullPointerException when there is null parameter
*/
default String fireField(String entity, String field) {
return field;
}
}