IndexImpl.java

/*******************************************************************************
 * Copyright (c) 2007 Borland Software Corporation 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:
 *     Borland Software Corporation - initial API and implementation
 *******************************************************************************/
package rdb.constraints.impl;

import java.util.Collection;

import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;

import rdb.constraints.ConstraintsPackage;
import rdb.constraints.Index;
import rdb.constraints.IndexedColumn;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Index</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link rdb.constraints.impl.IndexImpl#getIndexedColumns <em>Indexed Columns</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class IndexImpl extends ConstraintImpl implements Index {
	/**
	 * The cached value of the '{@link #getIndexedColumns() <em>Indexed Columns</em>}' containment reference list.
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @see #getIndexedColumns()
	 * @generated
	 * @ordered
	 */
    protected EList<IndexedColumn> indexedColumns = null;

	/**
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @generated
	 */
    protected IndexImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @generated
	 */
    @Override
				protected EClass eStaticClass() {
		return ConstraintsPackage.Literals.INDEX;
	}

	/**
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @generated
	 */
    public EList<IndexedColumn> getIndexedColumns() {
		if (indexedColumns == null) {
			indexedColumns = new EObjectContainmentEList<IndexedColumn>(IndexedColumn.class, this, ConstraintsPackage.INDEX__INDEXED_COLUMNS);
		}
		return indexedColumns;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ConstraintsPackage.INDEX__INDEXED_COLUMNS:
				return ((InternalEList<?>)getIndexedColumns()).basicRemove(otherEnd, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case ConstraintsPackage.INDEX__INDEXED_COLUMNS:
				return getIndexedColumns();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
		@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case ConstraintsPackage.INDEX__INDEXED_COLUMNS:
				getIndexedColumns().clear();
				getIndexedColumns().addAll((Collection<? extends IndexedColumn>)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ConstraintsPackage.INDEX__INDEXED_COLUMNS:
				getIndexedColumns().clear();
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ConstraintsPackage.INDEX__INDEXED_COLUMNS:
				return indexedColumns != null && !indexedColumns.isEmpty();
		}
		return super.eIsSet(featureID);
	}

} //IndexImpl