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/**
 */
package org.eclipse.emf.cdo.releng.setup.impl;

import org.eclipse.emf.cdo.releng.setup.OneTimeSetupTask;
import org.eclipse.emf.cdo.releng.setup.SetupPackage;
import org.eclipse.emf.cdo.releng.setup.SetupTaskContext;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.impl.ENotificationImpl;

import java.util.HashSet;
import java.util.Set;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>One Time Setup Task</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.emf.cdo.releng.setup.impl.OneTimeSetupTaskImpl#getId <em>Id</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class OneTimeSetupTaskImpl extends SetupTaskImpl implements OneTimeSetupTask
{
  /**
   * The default value of the '{@link #getId() <em>Id</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getId()
   * @generated
   * @ordered
   */
  protected static final String ID_EDEFAULT = null;

  /**
   * The cached value of the '{@link #getId() <em>Id</em>}' attribute.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getId()
   * @generated
   * @ordered
   */
  protected String id = ID_EDEFAULT;

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

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public String getId()
  {
    return id;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void setId(String newId)
  {
    String oldId = id;
    id = newId;
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, SetupPackage.ONE_TIME_SETUP_TASK__ID, oldId, id));
  }

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

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eUnset(int featureID)
  {
    switch (featureID)
    {
    case SetupPackage.ONE_TIME_SETUP_TASK__ID:
      setId(ID_EDEFAULT);
      return;
    }
    super.eUnset(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
    case SetupPackage.ONE_TIME_SETUP_TASK__ID:
      return ID_EDEFAULT == null ? id != null : !ID_EDEFAULT.equals(id);
    }
    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(" (id: ");
    result.append(id);
    result.append(')');
    return result.toString();
  }

  public final boolean isNeeded(SetupTaskContext context) throws Exception
  {
    return !isPerformed();
  }

  public final void perform(SetupTaskContext context) throws Exception
  {
    doPerform(context);
    setPerformed(true);
  }

  protected abstract void doPerform(SetupTaskContext context) throws Exception;

  private int xxx;

  private static final Set<String> PERFORMED = new HashSet<String>();

  protected boolean isPerformed()
  {
    String id = getId();
    return PERFORMED.contains(id);
  }

  protected void setPerformed(boolean performed)
  {
    String id = getId();
    if (performed)
    {
      PERFORMED.add(id);
    }
    else
    {
      PERFORMED.remove(id);
    }
  }

} // OneTimeSetupTaskImpl

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