/**
 */
package org.eclipse.viatra.solver.language.solverLanguage.impl;

import org.eclipse.emf.common.notify.Notification;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

import org.eclipse.viatra.solver.language.solverLanguage.Attribute;
import org.eclipse.viatra.solver.language.solverLanguage.AttributeKind;
import org.eclipse.viatra.solver.language.solverLanguage.SolverLanguagePackage;
import org.eclipse.viatra.solver.language.solverLanguage.Symbol;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Attribute</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.AttributeImpl#getTarget <em>Target</em>}</li>
 *   <li>{@link org.eclipse.viatra.solver.language.solverLanguage.impl.AttributeImpl#getKind <em>Kind</em>}</li>
 * </ul>
 *
 * @generated
 */
public abstract class AttributeImpl extends StatementImpl implements Attribute {
	/**
	 * The cached value of the '{@link #getTarget() <em>Target</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTarget()
	 * @generated
	 * @ordered
	 */
	protected Symbol target;

	/**
	 * The default value of the '{@link #getKind() <em>Kind</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getKind()
	 * @generated
	 * @ordered
	 */
	protected static final AttributeKind KIND_EDEFAULT = AttributeKind.FUNCTIONAL;

	/**
	 * The cached value of the '{@link #getKind() <em>Kind</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getKind()
	 * @generated
	 * @ordered
	 */
	protected AttributeKind kind = KIND_EDEFAULT;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Symbol getTarget() {
		if (target != null && target.eIsProxy()) {
			InternalEObject oldTarget = (InternalEObject) target;
			target = (Symbol) eResolveProxy(oldTarget);
			if (target != oldTarget) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, SolverLanguagePackage.ATTRIBUTE__TARGET,
							oldTarget, target));
			}
		}
		return target;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Symbol basicGetTarget() {
		return target;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setTarget(Symbol newTarget) {
		Symbol oldTarget = target;
		target = newTarget;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.ATTRIBUTE__TARGET, oldTarget,
					target));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public AttributeKind getKind() {
		return kind;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setKind(AttributeKind newKind) {
		AttributeKind oldKind = kind;
		kind = newKind == null ? KIND_EDEFAULT : newKind;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, SolverLanguagePackage.ATTRIBUTE__KIND, oldKind,
					kind));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case SolverLanguagePackage.ATTRIBUTE__TARGET:
			if (resolve)
				return getTarget();
			return basicGetTarget();
		case SolverLanguagePackage.ATTRIBUTE__KIND:
			return getKind();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case SolverLanguagePackage.ATTRIBUTE__TARGET:
			setTarget((Symbol) newValue);
			return;
		case SolverLanguagePackage.ATTRIBUTE__KIND:
			setKind((AttributeKind) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case SolverLanguagePackage.ATTRIBUTE__TARGET:
			setTarget((Symbol) null);
			return;
		case SolverLanguagePackage.ATTRIBUTE__KIND:
			setKind(KIND_EDEFAULT);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case SolverLanguagePackage.ATTRIBUTE__TARGET:
			return target != null;
		case SolverLanguagePackage.ATTRIBUTE__KIND:
			return kind != KIND_EDEFAULT;
		}
		return super.eIsSet(featureID);
	}

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

		StringBuilder result = new StringBuilder(super.toString());
		result.append(" (kind: ");
		result.append(kind);
		result.append(')');
		return result.toString();
	}

} //AttributeImpl