net.lshift.diffa.participant.common.ScanEntityValidator Maven / Gradle / Ivy

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Diffa Participant Support provides tools for implementing Diffa participants in Java (and other JVM languages)

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/**
 * Copyright (C) 2010-2011 LShift Ltd.
 *
 * 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 net.lshift.diffa.participant.common;

import net.lshift.diffa.participant.changes.ChangeEvent;
import net.lshift.diffa.participant.scanning.ScanResultEntry;

/**
 * The function of this interface is to assert that a scan entity (as either
 * a ScanResultEntry or ChangeEvent) is valid to some standard, or throw an
 * exception if not. For example, EntityValidator ensures that scanned
 * entities are *syntactically* valid, before allowing them into the kernel
 * of the system.
 */

public interface ScanEntityValidator {
    void process(ScanResultEntry entry) throws InvalidEntityException ;
    void process(ChangeEvent entry) throws InvalidEntityException ;
}