QueryOptionJdbcContext.java

package siena.jdbc;

import java.sql.PreparedStatement;
import java.sql.SQLException;

import siena.core.options.QueryOption;
import siena.embed.EmbeddedMap;

@EmbeddedMap
public class QueryOptionJdbcContext extends QueryOption{
    public static final int ID 	= 0x1001;
	
    public PreparedStatement statement;
    public int limitParamIdx;
    public int offsetParamIdx;
    public boolean noMoreDataBefore = false;
    public boolean noMoreDataAfter = false;
    public int realOffset = 0;
    public int realPageSize = 0;

	public QueryOptionJdbcContext() {
		super(ID);
	}
    
	public QueryOptionJdbcContext(PreparedStatement statement, int limitParamIdx, int offsetParamIdx) {
		super(ID);
		this.statement = statement;
		this.limitParamIdx = limitParamIdx;
		this.offsetParamIdx = offsetParamIdx;
	}

	public QueryOptionJdbcContext(QueryOptionJdbcContext option) {
		super(option);
		this.statement = option.statement;
		this.limitParamIdx = option.limitParamIdx;
		this.offsetParamIdx = option.offsetParamIdx;
		this.noMoreDataAfter = option.noMoreDataAfter;
		this.noMoreDataBefore = option.noMoreDataBefore;
		this.realOffset = option.realOffset;
		this.realPageSize = option.realPageSize;
	}
	
	
	/**
	 * Checks if the statement is closed or not
	 * Must use this trick as the isClosed function is not implemented all the time
	 * @return true/false
	 */
	public boolean isClosed(){
		if(this.statement == null) return true;
		try {
			if(this.statement.isClosed()) return true;
			if(this.statement.getConnection()==null) return true;
			return false;
		}
		catch(SQLException ex){}
		catch(AbstractMethodError ex){}
		return true;
	}
	
	@Override
	public QueryOption clone() {
		return new QueryOptionJdbcContext(this);
	}

	public String toString() {
		return "type:JDBC_CONTEXT - state:"+this.state
				+ " - limitParamIdx:"+limitParamIdx+" - offsetParamIdx:"+offsetParamIdx
				+ " - noMoreDataAfter:"+noMoreDataAfter
				+" - noMoreDataBefore:"+noMoreDataBefore
				+" - realOffset:"+realOffset
				+" - realPageSize:"+realPageSize;
	}
}