package com.thinkbiganalytics.nifi.thrift.api;
/*-
* #%L
* thinkbig-nifi-hadoop-service-api
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* 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.
* #L%
*/
import java.sql.ResultSet;
import java.util.Date;
/**
* Intercept iterations over a {@link ResultSet}
*/
public interface RowVisitor {
/**
* the visitor method for the given row is called once per row of SQL results
*
* @param row a row of SQL results
*/
void visitRow(ResultSet row);
/**
* the visitor method for a column and it's value when the column's colType is compatible with java Date values
*
* @param columnName the name of the column
* @param colType the SQL type from java.sql.Types
* @param value the value for this row and column as a java.util.Date
*/
void visitColumn(String columnName, int colType, Date value);
/**
* the visitor method for a column and it's value when the column's colType is compatible with java String values
*
* @param columnName the name of the column
* @param colType the SQL type from java.sql.Types
* @param value the value for this row and column as a string
*/
void visitColumn(String columnName, int colType, String value);
}