org.encog.platformspecific.j2se.data

Class SQLNeuralDataSet

java.lang.Object

org.encog.ml.data.basic.BasicMLDataSet

org.encog.platformspecific.j2se.data.SQLNeuralDataSet

All Implemented Interfaces:

java.io.Serializable, java.lang.Iterable<MLDataPair>, MLDataSet

public class SQLNeuralDataSet
extends BasicMLDataSet

A dataset based on a SQL query. This is not a memory based dataset, so it can handle very large datasets without a memory issue. This class makes use of JDBC to query the database. If you are running into "out of memory" issues with this class try setting a lower "fetch size". This can be done with: SQLCODEC.FETCH_SIZE = 1000;

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.encog.ml.data.basic.BasicMLDataSet

BasicMLDataSet.BasicMLIterator

Constructor Summary

Constructors

Constructor and Description
SQLNeuralDataSet(java.sql.Connection theConnection, java.lang.String theSQL, int theInputSize, int theIdealSize) Create a SQLNeuralDataSet based on the specified connection.
SQLNeuralDataSet(java.lang.String sql, int inputSize, int idealSize, java.lang.String driver, java.lang.String url, java.lang.String uid, java.lang.String pwd) Construct a SQL dataset.

Method Summary

Methods inherited from class org.encog.ml.data.basic.BasicMLDataSet

add, add, add, clone, close, get, getData, getIdealSize, getInputSize, getRecord, getRecordCount, isSupervised, iterator, openAdditional, setData, size, toList

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

SQLNeuralDataSet

public SQLNeuralDataSet(java.sql.Connection theConnection,
                        java.lang.String theSQL,
                        int theInputSize,
                        int theIdealSize)

Create a SQLNeuralDataSet based on the specified connection. This connection WILL NOT be closed when the close method is called.

Parameters:

theConnection - The connection to use.

theSQL - The SQL command to execute.

theInputSize - The size of the input data.

theIdealSize - The size of the ideal data.

SQLNeuralDataSet

public SQLNeuralDataSet(java.lang.String sql,
                        int inputSize,
                        int idealSize,
                        java.lang.String driver,
                        java.lang.String url,
                        java.lang.String uid,
                        java.lang.String pwd)

Construct a SQL dataset. A connection will be opened, this connection will be closed when the close method is called.

Parameters:

sql - The SQL command to execute.

inputSize - The size of the input data.

idealSize - The size of the ideal data.

driver - The driver to use.

url - The database connection URL.

uid - The database user id.

pwd - The database password.