public class AccessRowSequence extends Object implements RowSequence
Constructor and Description |
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AccessRowSequence(RowAccess racc,
long nrow)
Constructor.
|
Modifier and Type | Method and Description |
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void |
close()
Indicates that this sequence will not be required any more.
|
static AccessRowSequence |
createInstance(StarTable table)
Constructs an AccessRowSequence based on a given table.
|
Object |
getCell(int icol)
Returns the contents of a cell in the current row.
|
Object[] |
getRow()
Returns the contents of the current table row, as an array
with the same number of elements as there are columns in this
table.
|
boolean |
next()
Attempts to advance the current row to the next one.
|
public AccessRowSequence(RowAccess racc, long nrow)
racc
- row access providing data accessnrow
- number of rowspublic boolean next() throws IOException
RowSequence
RowSequence.getCell(int)
or RowSequence.getRow()
methods.next
in interface RowSequence
next
in interface Sequence
IOException
- if there is some errorpublic Object getCell(int icol) throws IOException
RowSequence
getCell
in interface RowData
getCell
in interface RowSequence
icol
- column indexIOException
- if there is an error reading the datapublic Object[] getRow() throws IOException
RowSequence
getRow
in interface RowData
getRow
in interface RowSequence
IOException
- if there is an error reading the datapublic void close() throws IOException
RowSequence
close
is undefined.close
in interface Closeable
close
in interface AutoCloseable
close
in interface RowSequence
IOException
public static AccessRowSequence createInstance(StarTable table) throws IOException
table
- tableIOException
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