GroupImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package org.eclipse.buckminster.cspec.impl;

import java.util.Collection;

import org.eclipse.buckminster.cspec.Attribute;
import org.eclipse.buckminster.cspec.CSpec;
import org.eclipse.buckminster.cspec.CspecPackage;
import org.eclipse.buckminster.cspec.Group;
import org.eclipse.buckminster.cspec.IContext;
import org.eclipse.buckminster.cspec.Prerequisite;
import org.eclipse.core.runtime.IPath;
import org.eclipse.emf.common.notify.Notification;
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.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;

/**
 * <!-- begin-user-doc --> An implementation of the model object '
 * <em><b>Group</b></em>'. <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 * <li>{@link org.eclipse.buckminster.cspec.impl.GroupImpl#getPrerequisites <em>
 * Prerequisites</em>}</li>
 * <li>{@link org.eclipse.buckminster.cspec.impl.GroupImpl#getRebase <em>Rebase
 * </em>}</li>
 * </ul>
 * </p>
 * 
 * @generated
 */
public class GroupImpl extends AttributeImpl implements Group {
	/**
	 * The cached value of the '{@link #getPrerequisites()
	 * <em>Prerequisites</em>}' containment reference list. <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * 
	 * @see #getPrerequisites()
	 * @generated
	 * @ordered
	 */
	protected EList<Prerequisite> prerequisites;

	/**
	 * The default value of the '{@link #getRebase() <em>Rebase</em>}'
	 * attribute. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getRebase()
	 * @generated
	 * @ordered
	 */
	protected static final IPath REBASE_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getRebase() <em>Rebase</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getRebase()
	 * @generated
	 * @ordered
	 */
	protected IPath rebase = REBASE_EDEFAULT;

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

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

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case CspecPackage.GROUP__PREREQUISITES:
				return prerequisites != null && !prerequisites.isEmpty();
			case CspecPackage.GROUP__REBASE:
				return REBASE_EDEFAULT == null ? rebase != null : !REBASE_EDEFAULT.equals(rebase);
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case CspecPackage.GROUP__PREREQUISITES:
				getPrerequisites().clear();
				getPrerequisites().addAll((Collection<? extends Prerequisite>) newValue);
				return;
			case CspecPackage.GROUP__REBASE:
				setRebase((IPath) newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case CspecPackage.GROUP__PREREQUISITES:
				getPrerequisites().clear();
				return;
			case CspecPackage.GROUP__REBASE:
				setRebase(REBASE_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public EList<Prerequisite> getPrerequisites() {
		if (prerequisites == null) {
			prerequisites = new EObjectContainmentEList<Prerequisite>(Prerequisite.class, this, CspecPackage.GROUP__PREREQUISITES);
		}
		return prerequisites;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public IPath getRebase() {
		return rebase;
	}

	@Override
	public boolean isDerived(IContext context) {
		for (Prerequisite preq : getPrerequisites()) {
			Attribute attr = null;
			if (preq.getComponent() == null)
				attr = getCspec().getAttribute(preq.getAttribute());
			else {
				CSpec referenced = context.findBestMatch(preq.getComponent());
				if (referenced != null)
					attr = referenced.getAttribute(preq.getAttribute());
			}
			if (attr != null && attr.isDerived(context))
				return true;
		}
		return false;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public void setRebase(IPath newRebase) {
		IPath oldRebase = rebase;
		rebase = newRebase;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, CspecPackage.GROUP__REBASE, oldRebase, rebase));
	}

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

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (rebase: ");
		result.append(rebase);
		result.append(')');
		return result.toString();
	}

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

} // GroupImpl