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/*******************************************************************************
* Copyright (c) 2006, 2010 Soyatec (http://www.soyatec.com) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Soyatec - initial API and implementation
*******************************************************************************/
package org.eclipse.papyrus.xwt;
import org.eclipse.core.databinding.validation.IValidator;
import org.eclipse.core.runtime.IStatus;
/**
* @author hceylan
*
*/
public interface IValidationRule extends IValidator {
public static IValidationRule[] EMPTY_ARRAY = new IValidationRule[0];
public enum Phase {
AfterGet, //
AfterConvert, //
BeforeSet
}
public enum Direction {
SourceToTarget, //
TargetToSource, //
Both
}
/**
* Returns the direction of the validation
*
* @return {@link Direction} indicating the direction of the validation.
* Never null
*/
public Direction getBindingMode();
/**
* Returns the phase this validator applies to
*
* @return {@link Phase} to indicate the phase of the validation. Never null
*/
public Phase getPhase();
/**
* Determines if the given value is valid.
*
* @param value
* the value to validate
* @return a status object indicating whether the validation succeeded {@link IStatus#isOK()} or not. Never null.
*/
public IStatus validateBack(Object value);
}
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