/**
*
* Copyright 2014 The Darks ORM Project (Liu lihua)
*
* 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 darks.orm.core.data.tags;
import java.util.ArrayList;
import java.util.List;
import org.dom4j.Element;
import darks.orm.core.data.xml.InterfaceMethodData;
public abstract class AbstractTag
{
protected String name;
protected List<AbstractTag> childrenTags = new ArrayList<AbstractTag>();
protected AbstractTag prevTag;
public AbstractTag()
{
}
public AbstractTag(AbstractTag prevTag)
{
this.prevTag = prevTag;
}
public void addChild(AbstractTag tag)
{
childrenTags.add(tag);
}
public Object[] computeSql(StringBuilder sqlBuf, Object[] params, InterfaceMethodData data) throws Exception
{
List<Object> paramList = new ArrayList<Object>(params.length);
for (Object param : params)
{
paramList.add(param);
}
computeSql(sqlBuf, paramList, data, null);
return paramList.toArray();
}
public Object computeSql(StringBuilder sqlBuf, List<Object> params, InterfaceMethodData data, Object prevValue) throws Exception
{
for (AbstractTag tag : childrenTags)
{
prevValue = tag.computeSql(sqlBuf, params, data, prevValue);
}
return null;
}
public abstract boolean parseElement(Element el) throws Exception;
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public AbstractTag getPrevTag()
{
return prevTag;
}
public void setPrevTag(AbstractTag prevTag)
{
this.prevTag = prevTag;
}
}