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/**
 * Copyright (c) 2004 - 2009 Eike Stepper (Berlin, Germany) and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *    André Dietisheim - initial API and implementation
 *    Eike Stepper - maintenance
 */
package org.eclipse.emf.cdo.defs.impl;

import org.eclipse.emf.cdo.defs.CDODefsPackage;
import org.eclipse.emf.cdo.defs.RetryFailOverStrategyDef;

import org.eclipse.net4j.connector.IConnector;
import org.eclipse.net4j.signal.failover.IFailOverStrategy;
import org.eclipse.net4j.signal.failover.RetryFailOverStrategy;

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

/**
 * <!-- begin-user-doc --> An implementation of the model object ' <em><b>Retry Fail Over Strategy</b></em>'. <!--
 * end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 * <li>{@link org.eclipse.emf.cdo.defs.impl.RetryFailOverStrategyDefImpl#getRetries <em>Retries</em>}</li>
 * </ul>
 * </p>
 * 
 * @generated
 */
public class RetryFailOverStrategyDefImpl extends FailOverStrategyDefImpl implements RetryFailOverStrategyDef
{
  /**
   * The default value of the '{@link #getRetries() <em>Retries</em>}' attribute. <!-- begin-user-doc --> <!--
   * end-user-doc -->
   * 
   * @see #getRetries()
   * @generated
   * @ordered
   */
  protected static final int RETRIES_EDEFAULT = 0;

  /**
   * The cached value of the '{@link #getRetries() <em>Retries</em>}' attribute. <!-- begin-user-doc --> <!--
   * end-user-doc -->
   * 
   * @see #getRetries()
   * @generated
   * @ordered
   */
  protected int retries = RETRIES_EDEFAULT;

  /**
   * This is true if the Retries attribute has been set. <!-- begin-user-doc --> <!-- end-user-doc -->
   * 
   * @generated
   * @ordered
   */
  protected boolean retriesESet;

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

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

  /**
   * <!-- begin-user-doc --> <!-- end-user-doc -->
   * 
   * @generated
   */
  public int getRetries()
  {
    return retries;
  }

  /**
   * <!-- begin-user-doc --> <!-- end-user-doc -->
   * 
   * @generated
   */
  public void setRetries(int newRetries)
  {
    int oldRetries = retries;
    retries = newRetries;
    boolean oldRetriesESet = retriesESet;
    retriesESet = true;
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, CDODefsPackage.RETRY_FAIL_OVER_STRATEGY_DEF__RETRIES,
          oldRetries, retries, !oldRetriesESet));
  }

  /**
   * <!-- begin-user-doc --> <!-- end-user-doc -->
   * 
   * @generated
   */
  public void unsetRetries()
  {
    int oldRetries = retries;
    boolean oldRetriesESet = retriesESet;
    retries = RETRIES_EDEFAULT;
    retriesESet = false;
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.UNSET, CDODefsPackage.RETRY_FAIL_OVER_STRATEGY_DEF__RETRIES,
          oldRetries, RETRIES_EDEFAULT, oldRetriesESet));
  }

  /**
   * <!-- begin-user-doc --> <!-- end-user-doc -->
   * 
   * @generated
   */
  public boolean isSetRetries()
  {
    return retriesESet;
  }

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

  /**
   * <!-- begin-user-doc --> <!-- end-user-doc -->
   * 
   * @generated
   */
  @Override
  public void eSet(int featureID, Object newValue)
  {
    switch (featureID)
    {
    case CDODefsPackage.RETRY_FAIL_OVER_STRATEGY_DEF__RETRIES:
      setRetries(((Integer)newValue).intValue());
      return;
    }
    super.eSet(featureID, newValue);
  }

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

  /**
   * <!-- begin-user-doc --> <!-- end-user-doc -->
   * 
   * @generated
   */
  @Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
    case CDODefsPackage.RETRY_FAIL_OVER_STRATEGY_DEF__RETRIES:
      return isSetRetries();
    }
    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(" (retries: ");
    if (retriesESet)
      result.append(retries);
    else
      result.append("<unset>");
    result.append(')');
    return result.toString();
  }

  /**
   * @ADDED
   */
  @Override
  protected IFailOverStrategy createInstance()
  {
    IFailOverStrategy failOverStrategy = null;
    IConnector connector = (IConnector)getConnectorDef().getInstance();
    if (isSetRetries())
    {
      failOverStrategy = new RetryFailOverStrategy(connector, getRetries());
    }
    else
    {
      failOverStrategy = new RetryFailOverStrategy(connector);
    }
    return failOverStrategy;
  }
} // RetryFailOverStrategyImpl

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