org.eobjects.metamodel.csv
Class CsvDataContext

java.lang.Object
  org.eobjects.metamodel.AbstractDataContext
      org.eobjects.metamodel.QueryPostprocessDataContext
          org.eobjects.metamodel.csv.CsvDataContext

All Implemented Interfaces:

HasReadTypeConverters, DataContext, UpdateableDataContext

public final class CsvDataContext
extends QueryPostprocessDataContext
implements UpdateableDataContext

DataContext implementation for reading CSV files.

Field Summary

Fields inherited from class org.eobjects.metamodel.QueryPostprocessDataContext

INFORMATION_SCHEMA_NAME

Constructor Summary

CsvDataContext(File file)
Constructs a CSV DataContext based on a file

CsvDataContext(File file, char separatorChar)
Deprecated. use CsvDataContext(File, CsvConfiguration) instead.

CsvDataContext(File file, char separatorChar, char quoteChar)
Deprecated. use CsvDataContext(File, CsvConfiguration) instead.

CsvDataContext(File file, char separatorChar, char quoteChar, String encoding)
Deprecated. use CsvDataContext(File, CsvConfiguration) instead.

CsvDataContext(File file, CsvConfiguration configuration)
Constructs a CSV DataContext based on a file

CsvDataContext(InputStream inputStream, char separatorChar, char quoteChar)
Deprecated. use CsvDataContext(InputStream, CsvConfiguration) instead.

CsvDataContext(InputStream inputStream, char separatorChar, char quoteChar, String encoding)
Deprecated. use CsvDataContext(InputStream, CsvConfiguration) instead.

CsvDataContext(InputStream inputStream, CsvConfiguration configuration)
Constructs a CSV DataContext based on an InputStream

CsvDataContext(URL url, char separatorChar, char quoteChar)
Deprecated. use CsvDataContext(URL, CsvConfiguration) instead.

CsvDataContext(URL url, char separatorChar, char quoteChar, String encoding)
Deprecated. use CsvDataContext(URL, CsvConfiguration) instead.

CsvDataContext(URL url, CsvConfiguration configuration)
Constructs a CSV DataContext based on a URL

Method Summary

protected au.com.bytecode.opencsv.CSVReader	createCsvReader(int skipLines)
protected Number	executeCountQuery(Table table, List<FilterItem> whereItems, boolean functionApproximationAllowed)
void	executeUpdate(UpdateScript update)
CsvConfiguration	getConfiguration() Gets the CSV configuration used
File	getFile() Gets the CSV file being read
protected org.eobjects.metamodel.csv.CsvSchema	getMainSchema()
protected String	getMainSchemaName()
protected boolean	isWritable()
DataSet	materializeMainSchemaTable(Table table, Column[] columns, int maxRows)

Methods inherited from class org.eobjects.metamodel.QueryPostprocessDataContext

addConverter, executeQuery, getDefaultSchemaName, getMainSchemaInternal, getSchemaByNameInternal, getSchemaNamesInternal, isMainSchemaTable, materializeFromItem, materializeMainSchemaTable, materializeTable

Methods inherited from class org.eobjects.metamodel.AbstractDataContext

compileQuery, executeQuery, executeQuery, getColumnByQualifiedLabel, getDefaultSchema, getSchemaByName, getSchemaNames, getSchemas, getTableByQualifiedLabel, isQualifiedPathDelim, parseQuery, query, refreshSchemas

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eobjects.metamodel.DataContext

compileQuery, executeQuery, executeQuery, executeQuery, getColumnByQualifiedLabel, getDefaultSchema, getSchemaByName, getSchemaNames, getSchemas, getTableByQualifiedLabel, parseQuery, query, refreshSchemas

Constructor Detail

CsvDataContext

public CsvDataContext(File file,
                      CsvConfiguration configuration)

Constructs a CSV DataContext based on a file

Parameters:

file -

configuration -

CsvDataContext

public CsvDataContext(URL url,
                      CsvConfiguration configuration)

Constructs a CSV DataContext based on a URL

Parameters:

url -

configuration -

CsvDataContext

public CsvDataContext(File file)

Constructs a CSV DataContext based on a file

Parameters:

file -

CsvDataContext

public CsvDataContext(InputStream inputStream,
                      CsvConfiguration configuration)

Constructs a CSV DataContext based on an InputStream

Parameters:

inputStream -

configuration -

CsvDataContext

@Deprecated
public CsvDataContext(File file,
                                 char separatorChar)

Deprecated. use CsvDataContext(File, CsvConfiguration) instead.

CsvDataContext

@Deprecated
public CsvDataContext(File file,
                                 char separatorChar,
                                 char quoteChar)

Deprecated. use CsvDataContext(File, CsvConfiguration) instead.

CsvDataContext

@Deprecated
public CsvDataContext(File file,
                                 char separatorChar,
                                 char quoteChar,
                                 String encoding)

Deprecated. use CsvDataContext(File, CsvConfiguration) instead.

CsvDataContext

@Deprecated
public CsvDataContext(URL url,
                                 char separatorChar,
                                 char quoteChar)

Deprecated. use CsvDataContext(URL, CsvConfiguration) instead.

CsvDataContext

@Deprecated
public CsvDataContext(URL url,
                                 char separatorChar,
                                 char quoteChar,
                                 String encoding)

Deprecated. use CsvDataContext(URL, CsvConfiguration) instead.

CsvDataContext

@Deprecated
public CsvDataContext(InputStream inputStream,
                                 char separatorChar,
                                 char quoteChar)

Deprecated. use CsvDataContext(InputStream, CsvConfiguration) instead.

CsvDataContext

@Deprecated
public CsvDataContext(InputStream inputStream,
                                 char separatorChar,
                                 char quoteChar,
                                 String encoding)

Deprecated. use CsvDataContext(InputStream, CsvConfiguration) instead.

Method Detail

getConfiguration

public CsvConfiguration getConfiguration()

Gets the CSV configuration used

Returns:

a CSV configuration

getFile

public File getFile()

Gets the CSV file being read

Returns:

a file

executeCountQuery

protected Number executeCountQuery(Table table,
                                   List<FilterItem> whereItems,
                                   boolean functionApproximationAllowed)

Overrides:

executeCountQuery in class QueryPostprocessDataContext

materializeMainSchemaTable

public DataSet materializeMainSchemaTable(Table table,
                                          Column[] columns,
                                          int maxRows)

Specified by:

materializeMainSchemaTable in class QueryPostprocessDataContext

createCsvReader

protected au.com.bytecode.opencsv.CSVReader createCsvReader(int skipLines)

getMainSchema

protected org.eobjects.metamodel.csv.CsvSchema getMainSchema()
                                                      throws MetaModelException

Specified by:

getMainSchema in class QueryPostprocessDataContext

Throws:

MetaModelException

getMainSchemaName

protected String getMainSchemaName()

Specified by:

getMainSchemaName in class QueryPostprocessDataContext

isWritable

protected boolean isWritable()

executeUpdate

public void executeUpdate(UpdateScript update)

Specified by:

executeUpdate in interface UpdateableDataContext