org.eclipse.gmf.runtime.notation/src/org/eclipse/gmf/runtime/notation/impl/FilteringStyleImpl.java

/******************************************************************************
 * Copyright (c) 2004, 2006 IBM 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:
 *    IBM Corporation - initial API and implementation 
 ****************************************************************************/

package org.eclipse.gmf.runtime.notation.impl;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
import org.eclipse.emf.ecore.util.EObjectResolvingEList;
import org.eclipse.gmf.runtime.notation.Filtering;
import org.eclipse.gmf.runtime.notation.FilteringStyle;
import org.eclipse.gmf.runtime.notation.NotationPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Filtering Style</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.gmf.runtime.notation.impl.FilteringStyleImpl#getFiltering <em>Filtering</em>}</li>
 *   <li>{@link org.eclipse.gmf.runtime.notation.impl.FilteringStyleImpl#getFilteringKeys <em>Filtering Keys</em>}</li>
 *   <li>{@link org.eclipse.gmf.runtime.notation.impl.FilteringStyleImpl#getFilteredObjects <em>Filtered Objects</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
/*
 * @canBeSeenBy org.eclipse.gmf.runtime.notation.*
 */
public class FilteringStyleImpl extends MinimalEObjectImpl.Container implements FilteringStyle {
	
	/**
	 * int field to store booleans and enums
	 * @since 1.2 
	 */
	protected int eFlags = 0 ;
	
    /**
	 * The default value of the '{@link #getFiltering() <em>Filtering</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFiltering()
	 * @generated
	 * @ordered
	 */
	protected static final Filtering FILTERING_EDEFAULT = Filtering.NONE_LITERAL;

    /**
	 * The offset of the flags representing the value of the '{@link #getFiltering() <em>Filtering</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	protected static final int FILTERING_EFLAG_OFFSET = 8;

				/**
	 * The flags representing the default value of the '{@link #getFiltering() <em>Filtering</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	protected static final int FILTERING_EFLAG_DEFAULT = Filtering.VALUES.indexOf(FILTERING_EDEFAULT) << FILTERING_EFLAG_OFFSET;

				/**
	 * The array of enumeration values for '{@link Filtering Filtering}'
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	private static final Filtering[] FILTERING_EFLAG_VALUES = (Filtering[])Filtering.VALUES.toArray(new Filtering[Filtering.VALUES.size()]);

				/**
	 * The flags representing the value of the '{@link #getFiltering() <em>Filtering</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFiltering()
	 * @generated
	 * @ordered
	 */
	protected static final int FILTERING_EFLAG = 0x3 << FILTERING_EFLAG_OFFSET;

				/**
	 * The default value of the '{@link #getFilteringKeys() <em>Filtering Keys</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFilteringKeys()
	 * @generated NOT
	 * @ordered
	 */
	protected static final List FILTERING_KEYS_EDEFAULT = Collections.EMPTY_LIST;

    /**
	 * The cached value of the '{@link #getFilteringKeys() <em>Filtering Keys</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFilteringKeys()
	 * @generated
	 * @ordered
	 */
	protected List filteringKeys = FILTERING_KEYS_EDEFAULT;

    /**
	 * The cached value of the '{@link #getFilteredObjects() <em>Filtered Objects</em>}' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFilteredObjects()
	 * @generated
	 * @ordered
	 */
	protected EList filteredObjects;

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

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

    /**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Filtering getFiltering() {
		return FILTERING_EFLAG_VALUES[(eFlags & FILTERING_EFLAG) >>> FILTERING_EFLAG_OFFSET];
	}

    /**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setFiltering(Filtering newFiltering) {
		Filtering oldFiltering = FILTERING_EFLAG_VALUES[(eFlags & FILTERING_EFLAG) >>> FILTERING_EFLAG_OFFSET];
		if (newFiltering == null) newFiltering = FILTERING_EDEFAULT;
		eFlags = eFlags & ~FILTERING_EFLAG | Filtering.VALUES.indexOf(newFiltering) << FILTERING_EFLAG_OFFSET;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, NotationPackage.FILTERING_STYLE__FILTERING, oldFiltering, newFiltering));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public List getFilteringKeys() {
		return Collections.unmodifiableList(filteringKeys);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public void setFilteringKeys(List newFilteringKeys) {
		List oldFilteringKeys = filteringKeys;

		if (newFilteringKeys == null )
			throw new NullPointerException("the 'newFilteringKeys' parameter is null"); //$NON-NLS-1$
		else if (newFilteringKeys.isEmpty())
			filteringKeys = FILTERING_KEYS_EDEFAULT;
		else {
			List tempList = new ArrayList(newFilteringKeys.size());
			for (Iterator i = newFilteringKeys.iterator(); i.hasNext();) {
				Object key = i.next();
				if (!(key instanceof String))
					throw new IllegalArgumentException("One or more objects in the list is not of type java.lang.String"); //$NON-NLS-1$
				tempList.add(key);
			}
			filteringKeys = tempList;
		}
		
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, NotationPackage.FILTERING_STYLE__FILTERING_KEYS, oldFilteringKeys, filteringKeys));
	}

    /**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getFilteredObjects() {
		if (filteredObjects == null) {
			filteredObjects = new EObjectResolvingEList(EObject.class, this, NotationPackage.FILTERING_STYLE__FILTERED_OBJECTS);
		}
		return filteredObjects;
	}

    /**
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @generated
	 */
    public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case NotationPackage.FILTERING_STYLE__FILTERING:
				return getFiltering();
			case NotationPackage.FILTERING_STYLE__FILTERING_KEYS:
				return getFilteringKeys();
			case NotationPackage.FILTERING_STYLE__FILTERED_OBJECTS:
				return getFilteredObjects();
		}
		return eDynamicGet(featureID, resolve, coreType);
	}

    /**
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @generated
	 */
    public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case NotationPackage.FILTERING_STYLE__FILTERING:
				setFiltering((Filtering)newValue);
				return;
			case NotationPackage.FILTERING_STYLE__FILTERING_KEYS:
				setFilteringKeys((List)newValue);
				return;
			case NotationPackage.FILTERING_STYLE__FILTERED_OBJECTS:
				getFilteredObjects().clear();
				getFilteredObjects().addAll((Collection)newValue);
				return;
		}
		eDynamicSet(featureID, newValue);
	}

    /**
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @generated
	 */
    public void eUnset(int featureID) {
		switch (featureID) {
			case NotationPackage.FILTERING_STYLE__FILTERING:
				setFiltering(FILTERING_EDEFAULT);
				return;
			case NotationPackage.FILTERING_STYLE__FILTERING_KEYS:
				setFilteringKeys(FILTERING_KEYS_EDEFAULT);
				return;
			case NotationPackage.FILTERING_STYLE__FILTERED_OBJECTS:
				getFilteredObjects().clear();
				return;
		}
		eDynamicUnset(featureID);
	}

    /**
	 * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
	 * @generated
	 */
    public boolean eIsSet(int featureID) {
		switch (featureID) {
			case NotationPackage.FILTERING_STYLE__FILTERING:
				return (eFlags & FILTERING_EFLAG) != FILTERING_EFLAG_DEFAULT;
			case NotationPackage.FILTERING_STYLE__FILTERING_KEYS:
				return FILTERING_KEYS_EDEFAULT == null ? filteringKeys != null : !FILTERING_KEYS_EDEFAULT.equals(filteringKeys);
			case NotationPackage.FILTERING_STYLE__FILTERED_OBJECTS:
				return filteredObjects != null && !filteredObjects.isEmpty();
		}
		return eDynamicIsSet(featureID);
	}

    /**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String toString() {
		if (eIsProxy()) return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (filtering: "); //$NON-NLS-1$
		result.append(FILTERING_EFLAG_VALUES[(eFlags & FILTERING_EFLAG) >>> FILTERING_EFLAG_OFFSET]);
		result.append(", filteringKeys: "); //$NON-NLS-1$
		result.append(filteringKeys);
		result.append(')');
		return result.toString();
	}

} //FilteringStyleImpl