org.nd4j.jdbc.loader.impl

Class BaseLoader

java.lang.Object

org.nd4j.jdbc.loader.impl.BaseLoader

All Implemented Interfaces:

JDBCNDArrayIO

public abstract class BaseLoader
extends Object
implements JDBCNDArrayIO

Base class for loading ndarrays via org.nd4j.jdbc

Author:

Adam Gibson

Field Summary

Fields

Modifier and Type	Field and Description
protected String	columnName
protected DataSource	dataSource
protected String	idColumnName
protected String	jdbcUrl
protected String	tableName

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BaseLoader(DataSource dataSource, String jdbcUrl, String tableName, String columnName)
protected	BaseLoader(DataSource dataSource, String jdbcUrl, String tableName, String idColumnName, String columnName)
protected	BaseLoader(String jdbcUrl, String tableName, String idColumnName, String columnName)

Method Summary

Modifier and Type	Method and Description
Blob	convert(IComplexNDArray toConvert) Convert an ndarray to a blob
Blob	convert(INDArray toConvert) Convert an ndarray to a blob
void	delete(String id) Delete the given ndarray
INDArray	load(Blob blob) Load an ndarray from a blob
IComplexNDArray	loadComplex(Blob blob) Load a complex ndarray from a blob
Blob	loadForID(String id) Load an ndarray blob given an id
void	save(IComplexNDArray save, String id) Save the ndarray
void	save(INDArray save, String id) Save the ndarray

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.nd4j.jdbc.loader.api.JDBCNDArrayIO

deleteStatement, insertStatement, loadStatement

Field Detail

tableName

protected String tableName

columnName

protected String columnName

idColumnName

protected String idColumnName

jdbcUrl

protected String jdbcUrl

dataSource

protected DataSource dataSource

Constructor Detail

BaseLoader

protected BaseLoader(DataSource dataSource,
                     String jdbcUrl,
                     String tableName,
                     String idColumnName,
                     String columnName)
              throws Exception

Throws:

Exception

BaseLoader

protected BaseLoader(String jdbcUrl,
                     String tableName,
                     String idColumnName,
                     String columnName)
              throws Exception

Throws:

Exception

BaseLoader

protected BaseLoader(DataSource dataSource,
                     String jdbcUrl,
                     String tableName,
                     String columnName)
              throws Exception

Throws:

Exception

Method Detail

convert

public Blob convert(IComplexNDArray toConvert)
             throws IOException,
                    SQLException

Convert an ndarray to a blob

Specified by:

convert in interface JDBCNDArrayIO

Parameters:

toConvert - the complex ndarray to convert

Returns:

the converted complex ndarray

Throws:

IOException

SQLException

convert

public Blob convert(INDArray toConvert)
             throws SQLException,
                    IOException

Convert an ndarray to a blob

Specified by:

convert in interface JDBCNDArrayIO

Parameters:

toConvert - the ndarray to convert

Returns:

the converted ndarray

Throws:

SQLException

IOException

load

public INDArray load(Blob blob)
              throws SQLException,
                     IOException

Load an ndarray from a blob

Specified by:

load in interface JDBCNDArrayIO

Parameters:

blob - the blob to load from

Returns:

the loaded ndarray

Throws:

SQLException

IOException

loadComplex

public IComplexNDArray loadComplex(Blob blob)
                            throws SQLException,
                                   IOException

Load a complex ndarray from a blob

Specified by:

loadComplex in interface JDBCNDArrayIO

Parameters:

blob - the blob to load from

Returns:

the complex ndarray

Throws:

SQLException

IOException

save

public void save(INDArray save,
                 String id)
          throws SQLException,
                 IOException

Save the ndarray

Specified by:

save in interface JDBCNDArrayIO

Parameters:

save - the ndarray to save

Throws:

SQLException

IOException

save

public void save(IComplexNDArray save,
                 String id)
          throws IOException,
                 SQLException

Save the ndarray

Specified by:

save in interface JDBCNDArrayIO

Parameters:

save - the ndarray to save

Throws:

IOException

SQLException

loadForID

public Blob loadForID(String id)
               throws SQLException

Load an ndarray blob given an id

Specified by:

loadForID in interface JDBCNDArrayIO

Parameters:

id - the id to load

Returns:

the blob

Throws:

SQLException

delete

public void delete(String id)
            throws SQLException

Delete the given ndarray

Specified by:

delete in interface JDBCNDArrayIO

Parameters:

id - the id of the ndarray to delete

Throws:

SQLException