content: /**
   * Copyright (C) 2010-2016 eBusiness Information, Excilys Group
   *
   * 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 org.androidannotations.holder;
  
  import static com.helger.jcodemodel.JExpr._null;
  import static com.helger.jcodemodel.JExpr.cast;
  
  import org.androidannotations.internal.process.ProcessHolder;
  
  import com.helger.jcodemodel.AbstractJClass;
  import com.helger.jcodemodel.IJExpression;
  import com.helger.jcodemodel.JBlock;
  
  public abstract class FoundHolder {
  
  	private GeneratedClassHolder holder;
  	private AbstractJClass type;
  	private IJExpression ref;
  	private JBlock ifNotNullBlock;
  
  	private boolean ifNotNullCreated = false;
  
  	public FoundHolder(GeneratedClassHolder holder, AbstractJClass type, IJExpression ref, JBlock block) {
  		this.holder = holder;
  		this.type = type;
  		this.ref = ref;
  		ifNotNullBlock = block;
  	}
  
  	public GeneratedClassHolder getGeneratedClassHolder() {
  		return holder;
  	}
  
  	public IJExpression getRef() {
  		return ref;
  	}
  
  	public IJExpression getOrCastRef(AbstractJClass type) {
  		if (this.type.equals(type) || getBaseType().equals(type)) {
  			return ref;
  		} else {
  			return cast(type, ref);
  		}
  	}
  
  	protected abstract AbstractJClass getBaseType();
  
  	public JBlock getIfNotNullBlock() {
  		if (!ifNotNullCreated) {
  			ifNotNullBlock = ifNotNullBlock._if(ref.ne(_null()))._then();
  			ifNotNullCreated = true;
  		}
  		return ifNotNullBlock;
  	}
  
  	protected ProcessHolder.Classes getClasses() {
  		return holder.getEnvironment().getClasses();
  	}
  }
  