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.core.sql.SqlSupplier;
  
  import com.google.common.base.Optional;
  
  
  public class ImmutableOrderByPartial implements SqlSupplier, OrderByPartial<ImmutableOrderByPartial> {
  	
  	private final String sql;
  	private final OrderByMode mode;
  	private final Optional<ImmutableOrderByPartial> parent;
  
  	private ImmutableOrderByPartial(String sql, OrderByMode mode, Optional<ImmutableOrderByPartial> parent) {
  		super();
  		this.sql = sql;
  		this.mode = mode;
  		this.parent = parent;
  	}
  	
  	public static ImmutableOrderByPartial newInstance(String sql) {
  		return new ImmutableOrderByPartial(sql, OrderByMode.UNSPECIFIED, Optional.<ImmutableOrderByPartial>absent());
  	}
  	
  	public ImmutableOrderByPartial asc() {
  		return new ImmutableOrderByPartial(this.sql, OrderByMode.ASC, this.parent);
  	}
  	
  	public ImmutableOrderByPartial desc() {
  		return new ImmutableOrderByPartial(this.sql, OrderByMode.DESC, this.parent);
  	}
  	
  	public ImmutableOrderByPartial orderBy(String sql) {
  		return new ImmutableOrderByPartial(sql, OrderByMode.UNSPECIFIED, Optional.of(this));
  	}
  	
  	public String getSql() {
  		return sql;
  	}
  	public OrderByMode getOrderMode() {
  		return mode;
  	}
  	public Optional<ImmutableOrderByPartial> getParent() {
  		return parent;
  	}
  	
  }
  