com.exalead.papi.helper

Class ResultSetCacheAsStream

java.lang.Object

com.exalead.papi.helper.ResultSetProxy

com.exalead.papi.helper.ResultSetCacheAsStream

public class ResultSetCacheAsStream
extends ResultSetProxy

Interface of a JDBC ResultSet which:

• Caches every value retrieved so these will not be fecthed more than once from the underlying ResultSet
• Fetches in the order of the columns of the ResultSet the values. It means that if the only value fetched is at index n, all values from the index 1 to n will be fetched

Field Summary

Fields inherited from class com.exalead.papi.helper.ResultSetProxy

FAILED_RETR_MSG, metaData, rs

Constructor Summary

Constructors

Constructor and Description
ResultSetCacheAsStream(java.sql.ResultSet rs, java.sql.ResultSetMetaData metaData)

Method Summary

Modifier and Type	Method and Description
protected java.lang.Object	getValue(int sqlIndex) Returns the value of the current row for the given index.

Methods inherited from class com.exalead.papi.helper.ResultSetProxy

getBigDecimal, getBigDecimal, getBlob, getBlob, getBytes, getBytes, getClob, getClob, getDouble, getDouble, getLong, getLong, getString, getString, getString, getTimestamp, getTimestamp

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ResultSetCacheAsStream

public ResultSetCacheAsStream(java.sql.ResultSet rs,
                              java.sql.ResultSetMetaData metaData)
                       throws java.sql.SQLException

Throws:

java.sql.SQLException

Method Detail

getValue

protected java.lang.Object getValue(int sqlIndex)
                             throws java.sql.SQLException

Description copied from class: ResultSetProxy

Returns the value of the current row for the given index. If the value is NULL, then returns null

Specified by:

getValue in class ResultSetProxy

Parameters:

sqlIndex - The index of the column. Starts at 1.

Returns:

Either the value of the column, or null if the column's value is NULL

Throws:

java.sql.SQLException