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/*
* Copyright (c) 2008-2013, 2016, 2019 Eike Stepper (Loehne, Germany) 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.common.revision;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.EStructuralFeature.Internal.DynamicValueHolder;
import org.eclipse.emf.ecore.impl.BasicEObjectImpl;
/**
* Encapsulates the modeled information and the EMF system values of a {@link CDORevision revision}.
*
* @author Eike Stepper
* @noextend This interface is not intended to be extended by clients.
* @noimplement This interface is not intended to be implemented by clients.
*/
public interface CDORevisionData
{
/**
* The equivalent of <code>DynamicValueHolder.NIL</code> (i.e. explicit <code>null</code>).
*
* @since 3.0
*/
public static final Object NIL = DynamicValueHolder.NIL;
/**
* @since 2.0
*/
public CDORevision revision();
public CDOID getResourceID();
/**
* @since 2.0
*/
public Object getContainerID();
/**
* Provides the input to the calculation of the feature in the container revision that actually holds this revision.
* <p>
* <b>Usage Example:</b>
* <p>
* <pre><code>
* CDORevision revision = ...;
* CDORevision container = <i>Util.getRevision</i>(revision.data().getContainerID());
*
* int containingFeatureID = revision.data().getContainingFeatureID();
*
* EStructuralFeature feature = containingFeatureID <= InternalEObject.EOPPOSITE_FEATURE_BASE ?
* container.getEClass().getEStructuralFeature(InternalEObject.EOPPOSITE_FEATURE_BASE - containingFeatureID) :
* ((EReference)revision.getEClass().getEStructuralFeature(containingFeatureID)).getEOpposite();</code></pre>
*
* @see BasicEObjectImpl#eContainingFeature()
* @see #getContainerID()
*/
public int getContainingFeatureID();
/**
* @since 2.0
*/
public Object get(EStructuralFeature feature, int index);
/**
* @since 2.0
*/
public int size(EStructuralFeature feature);
/**
* @since 2.0
*/
public boolean isEmpty(EStructuralFeature feature);
/**
* @since 2.0
*/
public boolean contains(EStructuralFeature feature, Object value);
/**
* @since 2.0
*/
public int indexOf(EStructuralFeature feature, Object value);
/**
* @since 2.0
*/
public int lastIndexOf(EStructuralFeature feature, Object value);
/**
* @since 2.0
*/
public <T> T[] toArray(EStructuralFeature feature, T[] array);
/**
* @since 2.0
*/
public Object[] toArray(EStructuralFeature feature);
/**
* @since 2.0
*/
public int hashCode(EStructuralFeature feature);
/**
* @since 4.2
*/
public void accept(CDORevisionValueVisitor visitor);
/**
* @since 4.2
* @deprecated As of 4.9 use {@link #accept(CDORevisionValueVisitor, java.util.function.Predicate)}.
*/
@Deprecated
public void accept(CDORevisionValueVisitor visitor, org.eclipse.net4j.util.Predicate<EStructuralFeature> filter);
/**
* @since 4.9
*/
public void accept(CDORevisionValueVisitor visitor, java.util.function.Predicate<EStructuralFeature> filter);
}
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