content: /**
   * Copyright (C) 2012 the original author or authors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package co.jirm.orm.builder.select;
  
  import co.jirm.orm.builder.select.OrderByPartial.OrderByMode;
  
  
  public abstract class OrderByPartialVisitor {
  	
  	public void visit(ImmutableOrderByPartial partial) {
  		final boolean first;
  		if (partial.getParent().isPresent()) {
  			visit(partial.getParent().get());
  			first = false;
  		}
  		else {
  			first = true;
  		}
  		visit(partial, first);
  	}
  	
  	protected void visit(OrderByPartial<?> partial, boolean first) {
  		visit(partial.getSql(), partial.getOrderMode(), first);
  	}
  	
  	protected abstract void visit(String field, OrderByMode mode, boolean first);
  
  }
  