| /* |
| * Copyright (c) 2010-2012, 2015 Eike Stepper (Berlin, 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: |
| * Simon McDuff - initial API and implementation |
| * Eike Stepper - maintenance |
| */ |
| package org.eclipse.emf.cdo.common.util; |
| |
| import org.eclipse.emf.cdo.common.model.CDOPackageRegistry; |
| import org.eclipse.emf.cdo.common.protocol.CDODataInput; |
| import org.eclipse.emf.cdo.common.protocol.CDODataOutput; |
| |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Represents a subset of the {@link EStructuralFeature features} of a {@link EClass class}. |
| * |
| * @author Simon McDuff |
| * @since 3.0 |
| */ |
| public final class CDOFetchRule |
| { |
| private EClass eClass; |
| |
| private List<EStructuralFeature> features = new ArrayList<EStructuralFeature>(0); |
| |
| public CDOFetchRule(EClass eClass) |
| { |
| this.eClass = eClass; |
| } |
| |
| public CDOFetchRule(CDODataInput in, CDOPackageRegistry packageManager) throws IOException |
| { |
| eClass = (EClass)in.readCDOClassifierRefAndResolve(); |
| int size = in.readInt(); |
| for (int i = 0; i < size; i++) |
| { |
| int featureID = in.readInt(); |
| EStructuralFeature feature = eClass.getEStructuralFeature(featureID); |
| features.add(feature); |
| } |
| } |
| |
| public void write(CDODataOutput out) throws IOException |
| { |
| out.writeCDOClassifierRef(eClass); |
| out.writeInt(features.size()); |
| for (EStructuralFeature feature : features) |
| { |
| out.writeInt(feature.getFeatureID()); |
| } |
| } |
| |
| public EClass getEClass() |
| { |
| return eClass; |
| } |
| |
| public List<EStructuralFeature> getFeatures() |
| { |
| return features; |
| } |
| |
| public void addFeature(EStructuralFeature feature) |
| { |
| features.add(feature); |
| } |
| |
| public void removeFeature(EStructuralFeature feature) |
| { |
| features.remove(feature); |
| } |
| |
| public boolean isEmpty() |
| { |
| return features.isEmpty(); |
| } |
| } |