UniqueConstraintImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package orgomg.cwm.resource.relational.impl;

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

import org.eclipse.emf.ecore.EClass;

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

import orgomg.cwm.foundation.keysindexes.impl.UniqueKeyImpl;

import orgomg.cwm.resource.relational.RelationalPackage;
import orgomg.cwm.resource.relational.UniqueConstraint;

import orgomg.cwm.resource.relational.enumerations.DeferrabilityType;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Unique Constraint</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link orgomg.cwm.resource.relational.impl.UniqueConstraintImpl#getDeferrability <em>Deferrability</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class UniqueConstraintImpl extends UniqueKeyImpl implements UniqueConstraint {
	/**
	 * The default value of the '{@link #getDeferrability() <em>Deferrability</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getDeferrability()
	 * @generated
	 * @ordered
	 */
	protected static final DeferrabilityType DEFERRABILITY_EDEFAULT = DeferrabilityType.INITIALLY_DEFERRED;

	/**
	 * The cached value of the '{@link #getDeferrability() <em>Deferrability</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getDeferrability()
	 * @generated
	 * @ordered
	 */
	protected DeferrabilityType deferrability = DEFERRABILITY_EDEFAULT;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public DeferrabilityType getDeferrability() {
		return deferrability;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setDeferrability(DeferrabilityType newDeferrability) {
		DeferrabilityType oldDeferrability = deferrability;
		deferrability = newDeferrability == null ? DEFERRABILITY_EDEFAULT : newDeferrability;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, RelationalPackage.UNIQUE_CONSTRAINT__DEFERRABILITY, oldDeferrability, deferrability));
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case RelationalPackage.UNIQUE_CONSTRAINT__DEFERRABILITY:
				setDeferrability((DeferrabilityType)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case RelationalPackage.UNIQUE_CONSTRAINT__DEFERRABILITY:
				setDeferrability(DEFERRABILITY_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case RelationalPackage.UNIQUE_CONSTRAINT__DEFERRABILITY:
				return deferrability != DEFERRABILITY_EDEFAULT;
		}
		return super.eIsSet(featureID);
	}

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

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

} //UniqueConstraintImpl