org.openxma.dsl.ddl.ddlDsl.impl.AlterTableActionImpl Maven / Gradle / Ivy

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/**
 * 
 * 
 *
 */
package org.openxma.dsl.ddl.ddlDsl.impl;

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

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

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

import org.openxma.dsl.ddl.ddlDsl.AlterTableAction;
import org.openxma.dsl.ddl.ddlDsl.Constraint;
import org.openxma.dsl.ddl.ddlDsl.DdlDslPackage;

/**
 * 
 * An implementation of the model object 'Alter Table Action'.
 * 
 * 
 * The following features are implemented:
 * 

 *   {@link org.openxma.dsl.ddl.ddlDsl.impl.AlterTableActionImpl#getConstraint Constraint}
 * 
 * 
 *
 * @generated
 */
public class AlterTableActionImpl extends MinimalEObjectImpl.Container implements AlterTableAction
{
  /**
     * The cached value of the '{@link #getConstraint() Constraint}' containment reference.
     * 
   * 
     * @see #getConstraint()
     * @generated
     * @ordered
     */
  protected Constraint constraint;

  /**
     * 
   * 
     * @generated
     */
  protected AlterTableActionImpl()
  {
        super();
    }

  /**
     * 
   * 
     * @generated
     */
  @Override
  protected EClass eStaticClass()
  {
        return DdlDslPackage.Literals.ALTER_TABLE_ACTION;
    }

  /**
     * 
   * 
     * @generated
     */
  public Constraint getConstraint()
  {
        return constraint;
    }

  /**
     * 
   * 
     * @generated
     */
  public NotificationChain basicSetConstraint(Constraint newConstraint, NotificationChain msgs)
  {
        Constraint oldConstraint = constraint;
        constraint = newConstraint;
        if (eNotificationRequired()) {
            ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, DdlDslPackage.ALTER_TABLE_ACTION__CONSTRAINT, oldConstraint, newConstraint);
            if (msgs == null) msgs = notification; else msgs.add(notification);
        }
        return msgs;
    }

  /**
     * 
   * 
     * @generated
     */
  public void setConstraint(Constraint newConstraint)
  {
        if (newConstraint != constraint) {
            NotificationChain msgs = null;
            if (constraint != null)
                msgs = ((InternalEObject)constraint).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - DdlDslPackage.ALTER_TABLE_ACTION__CONSTRAINT, null, msgs);
            if (newConstraint != null)
                msgs = ((InternalEObject)newConstraint).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - DdlDslPackage.ALTER_TABLE_ACTION__CONSTRAINT, null, msgs);
            msgs = basicSetConstraint(newConstraint, msgs);
            if (msgs != null) msgs.dispatch();
        }
        else if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET, DdlDslPackage.ALTER_TABLE_ACTION__CONSTRAINT, newConstraint, newConstraint));
    }

  /**
     * 
   * 
     * @generated
     */
  @Override
  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
        switch (featureID) {
            case DdlDslPackage.ALTER_TABLE_ACTION__CONSTRAINT:
                return basicSetConstraint(null, msgs);
        }
        return super.eInverseRemove(otherEnd, featureID, msgs);
    }

  /**
     * 
   * 
     * @generated
     */
  @Override
  public Object eGet(int featureID, boolean resolve, boolean coreType)
  {
        switch (featureID) {
            case DdlDslPackage.ALTER_TABLE_ACTION__CONSTRAINT:
                return getConstraint();
        }
        return super.eGet(featureID, resolve, coreType);
    }

  /**
     * 
   * 
     * @generated
     */
  @Override
  public void eSet(int featureID, Object newValue)
  {
        switch (featureID) {
            case DdlDslPackage.ALTER_TABLE_ACTION__CONSTRAINT:
                setConstraint((Constraint)newValue);
                return;
        }
        super.eSet(featureID, newValue);
    }

  /**
     * 
   * 
     * @generated
     */
  @Override
  public void eUnset(int featureID)
  {
        switch (featureID) {
            case DdlDslPackage.ALTER_TABLE_ACTION__CONSTRAINT:
                setConstraint((Constraint)null);
                return;
        }
        super.eUnset(featureID);
    }

  /**
     * 
   * 
     * @generated
     */
  @Override
  public boolean eIsSet(int featureID)
  {
        switch (featureID) {
            case DdlDslPackage.ALTER_TABLE_ACTION__CONSTRAINT:
                return constraint != null;
        }
        return super.eIsSet(featureID);
    }

} //AlterTableActionImpl