AccessSpreadSheetReader.ChunkReader (adams-pom 24.5.0-SNAPSHOT API)

java.lang.Object
- adams.data.io.input.AccessSpreadSheetReader.ChunkReader

All Implemented Interfaces:

Serializable

Enclosing class:

AccessSpreadSheetReader
```
public static class AccessSpreadSheetReader.ChunkReader
extends Object
implements Serializable
```
Reads data from the table in chunks.

Version:

$Revision$

Author:

FracPete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field	Description
`protected int`	`m_ChunkSize`	the chunk size.
`protected int`	`m_FirstRow`	the first row to retrieve (1-based).
`protected SpreadSheet`	`m_Header`	the header.
`protected int`	`m_NumRows`	the number of rows to retrieve (less than 1 = unlimited).
`protected AccessSpreadSheetReader`	`m_Owner`	the owning reader.
`protected int`	`m_RowCount`	the rows read so far.
`protected com.healthmarketscience.jackcess.Table`	`m_Table`	the table in use.

Constructor Summary

Constructors
Constructor Description

ChunkReader(AccessSpreadSheetReader owner)
Initializes the low-level reader.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`close()`	Closes the reader.
`boolean`	`hasNext()`	Returns whether there is more data to be read.
`SpreadSheet`	`next()`	Reads the next chunk.
`SpreadSheet`	`read(com.healthmarketscience.jackcess.Table table)`	Reads the spreadsheet content from the specified table.

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

- Field Detail
  - m_Owner
```
protected AccessSpreadSheetReader m_Owner
```
    the owning reader.
  - m_Table
```
protected com.healthmarketscience.jackcess.Table m_Table
```
    the table in use.
  - m_Header
```
protected SpreadSheet m_Header
```
    the header.
  - m_ChunkSize
```
protected int m_ChunkSize
```
    the chunk size.
  - m_RowCount
```
protected int m_RowCount
```
    the rows read so far.
  - m_FirstRow
```
protected int m_FirstRow
```
    the first row to retrieve (1-based).
  - m_NumRows
```
protected int m_NumRows
```
    the number of rows to retrieve (less than 1 = unlimited).
- Constructor Detail
  - ChunkReader
```
public ChunkReader(AccessSpreadSheetReader owner)
```
    Initializes the low-level reader.
    
    Parameters:
    
    owner - the owning reader
- Method Detail
  - next
```
public SpreadSheet next()
```
    Reads the next chunk.
    
    Returns:
    
    the next chunk
  - close
```
protected void close()
```
    Closes the reader.
  - hasNext
```
public boolean hasNext()
```
    Returns whether there is more data to be read.
    
    Returns:
    
    true if more data available
  - read
```
public SpreadSheet read(com.healthmarketscience.jackcess.Table table)
```
    Reads the spreadsheet content from the specified table.
    
    Parameters:
    
    table - the table to read from
    
    Returns:
    
    the spreadsheet or null in case of an error