/**
 */
package rba.core.impl;

import java.lang.reflect.InvocationTargetException;

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 rba.core.Expression;
import rba.core.Operator;
import rba.core.RBACorePackage;

/**
 * <!-- begin-user-doc --> An implementation of the model object '<em><b>Operator</b></em>'. <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link rba.core.impl.OperatorImpl#getOperand <em>Operand</em>}</li>
 * </ul>
 *
 * @generated
 */
public abstract class OperatorImpl extends ExpressionImpl implements Operator {
	/**
	 * The cached value of the '{@link #getOperand() <em>Operand</em>}' containment reference list.
	 * <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * @see #getOperand()
	 * @generated
	 * @ordered
	 */
	protected EList<Expression> operand;

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

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Expression> getOperand() {
		if (operand == null) {
			operand = new EObjectContainmentEList<Expression>(Expression.class, this, RBACorePackage.OPERATOR__OPERAND);
		}
		return operand;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public String getSymbol() {
		// TODO: implement this method
		// Ensure that you remove @generated or mark it @generated NOT
		throw new UnsupportedOperationException();
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
		case RBACorePackage.OPERATOR__OPERAND:
			return ((InternalEList<?>) getOperand()).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 RBACorePackage.OPERATOR__OPERAND:
			return getOperand();
		}
		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 RBACorePackage.OPERATOR__OPERAND:
			getOperand().clear();
			getOperand().addAll((Collection<? extends Expression>) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

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

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
		switch (operationID) {
		case RBACorePackage.OPERATOR___GET_SYMBOL:
			return getSymbol();
		}
		return super.eInvoke(operationID, arguments);
	}

} // OperatorImpl