java.lang.Object
- org.apache.derby.vti.VTITemplate
- - org.apache.derby.impl.load.ImportAbstract

All Implemented Interfaces:

java.lang.AutoCloseable, java.sql.ResultSet, java.sql.Wrapper, AwareVTI

Direct Known Subclasses:

Import
```
abstract class ImportAbstract
extends VTITemplate
```

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.derby.vti.VTITemplate
  VTITemplate.ColumnDescriptor

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) static java.lang.String`	`COLUMNNAMEPREFIX`
`(package private) java.lang.String[]`	`columnNames`
`(package private) java.lang.String[]`	`columnTypeNames`
`(package private) java.lang.String`	`columnTypeNamesString`
`(package private) int[]`	`columnWidths`
`(package private) ControlInfo`	`controlFileReader`
`(package private) ImportReadData`	`importReadData`
`(package private) ImportResultSetMetaData`	`importResultSetMetaData`
`(package private) int`	`lineNumber`
`protected boolean`	`lobsInExtFile`
`(package private) java.lang.String[]`	`nextRow`
`(package private) int`	`noOfColumnsExpected`
`(package private) int`	`numberOfColumns`
`(package private) int[]`	`tableColumnTypes`
`(package private) java.lang.String`	`tableColumnTypesStr`
`(package private) java.util.HashMap`	`udtClasses`
`(package private) java.lang.String`	`udtClassNamesString`
`private boolean`	`wasNull`

Fields inherited from interface java.sql.ResultSet
CLOSE_CURSORS_AT_COMMIT, CONCUR_READ_ONLY, CONCUR_UPDATABLE, FETCH_FORWARD, FETCH_REVERSE, FETCH_UNKNOWN, HOLD_CURSORS_OVER_COMMIT, TYPE_FORWARD_ONLY, TYPE_SCROLL_INSENSITIVE, TYPE_SCROLL_SENSITIVE

Constructor Summary

Constructors
Constructor Description

ImportAbstract()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`	closes the resultset
`static java.lang.Object`	`destringifyObject(java.lang.String raw)`	Read an object which was serialized to a string using StringUtil
`(package private) void`	`doAllTheWork()`	Does all the work
`java.sql.Blob`	`getBlob(int columnIndex)`	Returns `java.sql.Blob` type object that contains the column data from the import file.
`byte[]`	`getBytes(int columnIndex)`	Returns byte array that contains the column data from the import file.
`java.sql.Clob`	`getClob(int columnIndex)`	Returns `java.sql.Clob` type object that contains the column data from the import file.
`int`	`getCurrentLineNumber()`	gets the current line number
`(package private) abstract ImportReadData`	`getImportReadData()`
`java.sql.ResultSetMetaData`	`getMetaData()`	Gets the resultset meta data
`java.lang.Object`	`getObject(int columnIndex)`	Returns Object that contains the column data from the import file.
`int`	`getRow()`	gets the next row
`java.lang.String`	`getString(int columnIndex)`
`java.sql.SQLException`	`importError(java.lang.Exception ex)`	Close the stream and wrap exception in a SQLException
`private boolean`	`isColumnInExtFile(int colIndex)`	Check if for this column type, real data is stored in an external file and only the reference is in the main import file.
`(package private) void`	`loadColumnNames()`
`boolean`	`next()`
`static java.lang.Object`	`readObject(byte[] bytes)`	Read a serializable from a set of bytes.
`boolean`	`wasNull()`

Methods inherited from class org.apache.derby.vti.VTITemplate
absolute, afterLast, beforeFirst, cancelRowUpdates, clearWarnings, deleteRow, findColumn, first, getArray, getArray, getAsciiStream, getAsciiStream, getBigDecimal, getBigDecimal, getBigDecimal, getBigDecimal, getBinaryStream, getBinaryStream, getBlob, getBoolean, getBoolean, getByte, getByte, getBytes, getCharacterStream, getCharacterStream, getClob, getConcurrency, getContext, getCursorName, getDate, getDate, getDate, getDate, getDouble, getDouble, getFetchDirection, getFetchSize, getFloat, getFloat, getHoldability, getInt, getInt, getLong, getLong, getNCharacterStream, getNCharacterStream, getNClob, getNClob, getNString, getNString, getObject, getObject, getObject, getObject, getObject, getRef, getRef, getReturnTableSignature, getRowId, getRowId, getShort, getShort, getSQLXML, getSQLXML, getStatement, getString, getTime, getTime, getTime, getTime, getTimestamp, getTimestamp, getTimestamp, getTimestamp, getType, getUnicodeStream, getUnicodeStream, getURL, getURL, getWarnings, insertRow, isAfterLast, isBeforeFirst, isClosed, isFirst, isLast, isWrapperFor, last, moveToCurrentRow, moveToInsertRow, notImplemented, previous, refreshRow, relative, rowDeleted, rowInserted, rowUpdated, setContext, setFetchDirection, setFetchSize, unwrap, updateArray, updateArray, updateAsciiStream, updateAsciiStream, updateAsciiStream, updateAsciiStream, updateAsciiStream, updateAsciiStream, updateBigDecimal, updateBigDecimal, updateBinaryStream, updateBinaryStream, updateBinaryStream, updateBinaryStream, updateBinaryStream, updateBinaryStream, updateBlob, updateBlob, updateBlob, updateBlob, updateBlob, updateBlob, updateBoolean, updateBoolean, updateByte, updateByte, updateBytes, updateBytes, updateCharacterStream, updateCharacterStream, updateCharacterStream, updateCharacterStream, updateCharacterStream, updateCharacterStream, updateClob, updateClob, updateClob, updateClob, updateClob, updateClob, updateDate, updateDate, updateDouble, updateDouble, updateFloat, updateFloat, updateInt, updateInt, updateLong, updateLong, updateNCharacterStream, updateNCharacterStream, updateNCharacterStream, updateNCharacterStream, updateNClob, updateNClob, updateNClob, updateNClob, updateNClob, updateNClob, updateNString, updateNString, updateNull, updateNull, updateObject, updateObject, updateObject, updateObject, updateRef, updateRef, updateRow, updateRowId, updateRowId, updateShort, updateShort, updateSQLXML, updateSQLXML, updateString, updateString, updateTime, updateTime, updateTimestamp, updateTimestamp

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.sql.ResultSet
updateObject, updateObject, updateObject, updateObject

- Field Detail
  - controlFileReader
```
ControlInfo controlFileReader
```
  - importReadData
```
ImportReadData importReadData
```
  - columnNames
```
java.lang.String[] columnNames
```
  - numberOfColumns
```
int numberOfColumns
```
  - columnWidths
```
int[] columnWidths
```
  - lineNumber
```
int lineNumber
```
  - nextRow
```
java.lang.String[] nextRow
```
  - importResultSetMetaData
```
ImportResultSetMetaData importResultSetMetaData
```
  - noOfColumnsExpected
```
int noOfColumnsExpected
```
  - lobsInExtFile
```
protected boolean lobsInExtFile
```
  - tableColumnTypesStr
```
java.lang.String tableColumnTypesStr
```
  - tableColumnTypes
```
int[] tableColumnTypes
```
  - columnTypeNamesString
```
java.lang.String columnTypeNamesString
```
  - columnTypeNames
```
java.lang.String[] columnTypeNames
```
  - udtClassNamesString
```
java.lang.String udtClassNamesString
```
  - udtClasses
```
java.util.HashMap udtClasses
```
  - wasNull
```
private boolean wasNull
```
  - COLUMNNAMEPREFIX
```
static final java.lang.String COLUMNNAMEPREFIX
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - ImportAbstract
```
ImportAbstract()
```
- Method Detail
  - getImportReadData
```
abstract ImportReadData getImportReadData()
                                   throws java.lang.Exception
```
    Throws:
    
    java.lang.Exception
  - doAllTheWork
```
void doAllTheWork()
           throws java.lang.Exception
```
    Does all the work
    
    Throws:
    
    java.lang.Exception - if there is an error
  - loadColumnNames
```
void loadColumnNames()
```
  - getMetaData
```
public java.sql.ResultSetMetaData getMetaData()
```
    Gets the resultset meta data
    
    Specified by:
    
    getMetaData in interface java.sql.ResultSet
    
    Overrides:
    
    getMetaData in class VTITemplate
    
    Throws:
    
    java.sql.SQLException - if there is an error
  - getRow
```
public int getRow()
           throws java.sql.SQLException
```
    gets the next row
    
    Specified by:
    
    getRow in interface java.sql.ResultSet
    
    Overrides:
    
    getRow in class VTITemplate
    
    Throws:
    
    java.sql.SQLException - if there is an error
  - getCurrentLineNumber
```
public int getCurrentLineNumber()
```
    gets the current line number
  - next
```
public boolean next()
             throws java.sql.SQLException
```
    Throws:
    
    java.sql.SQLException
  - close
```
public void close()
           throws java.sql.SQLException
```
    closes the resultset
    
    Throws:
    
    java.sql.SQLException - if there is an error
  - wasNull
```
public boolean wasNull()
```
    Specified by:
    
    wasNull in interface java.sql.ResultSet
    
    Overrides:
    
    wasNull in class VTITemplate
  - getString
```
public java.lang.String getString(int columnIndex)
                           throws java.sql.SQLException
```
    Specified by:
    
    getString in interface java.sql.ResultSet
    
    Overrides:
    
    getString in class VTITemplate
    
    Throws:
    
    java.sql.SQLException - if there is an error
  - getClob
```
public java.sql.Clob getClob(int columnIndex)
                      throws java.sql.SQLException
```
    Returns java.sql.Clob type object that contains the column data from the import file.
    
    Specified by:
    
    getClob in interface java.sql.ResultSet
    
    Overrides:
    
    getClob in class VTITemplate
    
    Parameters:
    
    columnIndex - number of the column. starts at 1.
    
    Throws:
    
    java.sql.SQLException - if any occurs during create of the clob object.
  - getBlob
```
public java.sql.Blob getBlob(int columnIndex)
                      throws java.sql.SQLException
```
    Returns java.sql.Blob type object that contains the column data from the import file.
    
    Specified by:
    
    getBlob in interface java.sql.ResultSet
    
    Overrides:
    
    getBlob in class VTITemplate
    
    Parameters:
    
    columnIndex - number of the column. starts at 1.
    
    Throws:
    
    java.sql.SQLException - if any occurs during create of the blob object.
  - getObject
```
public java.lang.Object getObject(int columnIndex)
                           throws java.sql.SQLException
```
    Returns Object that contains the column data from the import file.
    
    Specified by:
    
    getObject in interface java.sql.ResultSet
    
    Overrides:
    
    getObject in class VTITemplate
    
    Parameters:
    
    columnIndex - number of the column. starts at 1.
    
    Throws:
    
    java.sql.SQLException - if any error occurs.
  - readObject
```
public static java.lang.Object readObject(byte[] bytes)
                                   throws java.lang.Exception
```
    Read a serializable from a set of bytes.
    
    Throws:
    
    java.lang.Exception
  - destringifyObject
```
public static java.lang.Object destringifyObject(java.lang.String raw)
                                          throws java.lang.Exception
```
    Read an object which was serialized to a string using StringUtil
    
    Throws:
    
    java.lang.Exception
  - getBytes
```
public byte[] getBytes(int columnIndex)
                throws java.sql.SQLException
```
    Returns byte array that contains the column data from the import file.
    
    Specified by:
    
    getBytes in interface java.sql.ResultSet
    
    Overrides:
    
    getBytes in class VTITemplate
    
    Parameters:
    
    columnIndex - number of the column. starts at 1.
    
    Throws:
    
    java.sql.SQLException - if any error occurs.
  - isColumnInExtFile
```
private boolean isColumnInExtFile(int colIndex)
```
    Check if for this column type, real data is stored in an external file and only the reference is in the main import file.
    
    Parameters:
    
    colIndex - number of the column. starts at 1.
    
    Returns:
    
    true, if the column data in a different file from the main import file , otherwise false.
  - importError
```
public java.sql.SQLException importError(java.lang.Exception ex)
```
    Close the stream and wrap exception in a SQLException
    
    Parameters:
    
    ex - Exception causing the import error
    
    Throws:
    
    java.sql.SQLException

Class ImportAbstract

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.derby.vti.VTITemplate

Field Summary

Fields inherited from interface java.sql.ResultSet

Constructor Summary

Method Summary

Methods inherited from class org.apache.derby.vti.VTITemplate

Methods inherited from class java.lang.Object

Methods inherited from interface java.sql.ResultSet

Field Detail

controlFileReader

importReadData

columnNames

numberOfColumns

columnWidths

lineNumber

nextRow

importResultSetMetaData

noOfColumnsExpected

lobsInExtFile

tableColumnTypesStr

tableColumnTypes

columnTypeNamesString

columnTypeNames

udtClassNamesString

udtClasses

wasNull

COLUMNNAMEPREFIX

Constructor Detail

ImportAbstract

Method Detail

getImportReadData

doAllTheWork

loadColumnNames

getMetaData

getRow

getCurrentLineNumber

next

close

wasNull

getString

getClob

getBlob

getObject

readObject

destringifyObject

getBytes

isColumnInExtFile

importError