Package com.google.appengine.api.datastore

Examples of com.google.appengine.api.datastore.Transaction.rollback()

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    txn.commit();
  }

  public void rollbackTransaction() {
    Transaction txn = ds.getCurrentTransaction();
    txn.rollback();
  }
 
  public void delete(Object obj){
    List<Key> keys = new ArrayList<Key>();
   
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      try {
        key = datastore.put(entity);
        txn.commit();
      } finally {
        if (txn.isActive())
          txn.rollback();
        else {
          addToCache(key, entity);
        }
      }
      return key;
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    //{
        //tx.rollback();
      if (!suc)
           try{
     
           trans.rollback();
      }catch (Exception e2){
        tools.util.LogMgr.err("JGU.put TABLE.rollback " + e2.toString());
      }

    //}
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    //if (tx.isActive())
    //{
        //tx.rollback();
      if (!suc)try{
     
           trans.rollback();
      }catch (Exception e){
        tools.util.LogMgr.err("JGU.delete TABLE.rollback " + e.toString());
      }

    //}
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        }

        //trans.commit();
        }catch (Exception e){
          if (trans != null)
          trans.rollback();
          e.printStackTrace();
          ///(e);
          throw new SQLException(e.toString());
        }
 
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        try{
       
        removeTableInfo(t,trans);
        trans.commit();
        }catch (Exception e){
          trans.rollback();
          throw new SQLException(e.toString());
        }     

        }
        StringBuffer itb = new StringBuffer( "jiqlAutoIncrementInt_").append(t);
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        try {
            this.datastoreService.put(txn, featureEntity);
            txn.commit();
        } finally {
            if (txn.isActive()) {
                txn.rollback();
            }
        }
    }

    /**
 
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        try {
            featureEntity = this.datastoreService.get(txn, key);
            txn.commit();
        } finally {
            if (txn.isActive()) {
                txn.rollback();
            }
        }
        return featureEntity;
    }
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      entity.setProperty(DEVICE_REG_ID_PROPERTY, regId);
      datastore.put(entity);
      txn.commit();
    } finally {
      if (txn.isActive()) {
        txn.rollback();
      }
    }
  }

  /**
 
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        datastore.delete(key);
      }
      txn.commit();
    } finally {
      if (txn.isActive()) {
        txn.rollback();
      }
    }
  }

  /**
 
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