org.deidentifier.arx.io

Class ImportAdapter

java.lang.Object

org.deidentifier.arx.io.ImportAdapter

All Implemented Interfaces:

java.util.Iterator<java.lang.String[]>

Direct Known Subclasses:

ImportAdapterCSV, ImportAdapterExcel, ImportAdapterJDBC

public abstract class ImportAdapter
extends java.lang.Object
implements java.util.Iterator<java.lang.String[]>

Base adapter for all data sources This defines properties and methods that all data source import adapters have in common. Data sources itself are described by ImportConfiguration.

Field Summary

Fields

Modifier and Type	Field and Description
protected DataType<?>[]	dataTypes Array of datatypes describing the columns.
protected java.lang.String[]	header The header.
protected int[]	indexes Indexes of columns that should be imported This keeps track of columns that should be imported, as not all columns will necessarily be imported.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ImportAdapter(ImportConfiguration config) Creates a new instance of this object with given configuration.

Method Summary

Modifier and Type	Method and Description
static ImportAdapter	create(ImportConfiguration config) Factory method This will return an appropriate ImportAdapter for each implemented data source ImportAdapter.
protected DataType<?>[]	getColumnDatatypes() Returns an array with datatypes of columns that should be imported.
ImportConfiguration	getConfig() Returns the configuration used by the import adapter.
java.lang.String[]	getHeader() Returns the header.
java.lang.Integer	getLength() Returns the number of records, if available, null otherwise
abstract int	getProgress() Returns the percentage of data has has already been imported.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, next, remove

Field Detail

header

protected java.lang.String[] header

The header.

dataTypes

protected DataType<?>[] dataTypes

Array of datatypes describing the columns.

indexes

protected int[] indexes

Indexes of columns that should be imported This keeps track of columns that should be imported, as not all columns will necessarily be imported.

Constructor Detail

ImportAdapter

protected ImportAdapter(ImportConfiguration config)

Creates a new instance of this object with given configuration.

Parameters:

config - config

Method Detail

create

public static ImportAdapter create(ImportConfiguration config)
                            throws java.io.IOException

Factory method This will return an appropriate ImportAdapter for each implemented data source ImportAdapter. Refer to the specific ImportAdapter itself for details.

Parameters:

config - config

Returns:

Specific ImportAdapter for given configuration

Throws:

java.io.IOException

getConfig

public ImportConfiguration getConfig()

Returns the configuration used by the import adapter.

Returns:

config

getHeader

public java.lang.String[] getHeader()

Returns the header.

Returns:

getLength

public java.lang.Integer getLength()

Returns the number of records, if available, null otherwise

Returns:

getProgress

public abstract int getProgress()

Returns the percentage of data has has already been imported.

Returns:

Percentage of data already imported, 0 - 100

getColumnDatatypes

protected DataType<?>[] getColumnDatatypes()

Returns an array with datatypes of columns that should be imported.

Returns:

Array containing datatypes of columns that should be imported