Java Doc for TableIterator.java in » EJB-Server-resin-3.1.5 » resin » com » caucho » db » table » Java Source Code / Java DocumentationJava Source Code and Java Documentation
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Java Source Code / Java Documentation
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EJB Server resin 3.1.5
»
resin
»
com.caucho.db.table
Source Cross Reference
Class Diagram
Java Document (Java Doc)
java.lang
.Object
com.caucho.db.table
.TableIterator
TableIterator
public
class TableIterator
(Code)
Iterates over a table's rows.
Constructor Summary
public
TableIterator
()
TableIterator
(
Table
table)
Method Summary
public
void
delete
()
public
void
evalToResult
(
Column
column,
SelectResult
result)
Evaluates the row to the result.
public
void
free
()
public
Block
getBlock
()
final
public
long
getBlockId
()
Returns the current block id of the iterator.
final
public
byte[]
getBuffer
()
Gets the current block.
public
double
getDouble
(
Column
column)
Returns the column's double value.
public
int
getInteger
(
Column
column)
public
long
getLong
(
Column
column)
Returns the column's long value.
public
QueryContext
getQueryContext
()
Returns the query context for the iterator.
final
public
long
getRowAddress
()
Returns the current address.
final
public
int
getRowOffset
()
Returns the current row offset of the iterator.
public
String
getString
(
Column
column)
Returns the string for the column at the given index.
public
Table
getTable
()
Returns the table of the iterator.
public
Transaction
getTransaction
()
Returns the transaction for the iterator.
public
void
init
(
Table
table)
public
void
init
(
QueryContext
queryContext)
public
void
init
(
Transaction
xa)
public
void
initNullRow
()
Sets the next row.
public
void
initRow
()
public
boolean
isEqual
(
Column
column, byte[] matchBuffer)
public
boolean
isEqual
(
Column
column, byte[] matchBuffer, int matchLength)
public
boolean
isEqual
(
Column
column,
String
string)
public
boolean
isNull
(
Column
column)
Returns true if the column is null.
public
boolean
isNullRow
()
public
boolean
next
()
Returns the next row.
public
boolean
nextBlock
()
Returns the following block.
public
boolean
nextRow
()
Returns the next tuple in the current row.
public
void
prevRow
()
final
public
void
setBlockId
(long blockId)
Sets the current block id of the iterator.
public
void
setDirty
()
void
setRow
(
Block
block, int rowOffset)
Sets the row.
public
void
setRow
(long rowAddr)
Sets the next row.
final
public
void
setRowOffset
(int rowOffset)
Sets the current row offset of the iterator.
Constructor Detail
TableIterator
public
TableIterator()
(Code)
TableIterator
TableIterator(
Table
table)
(Code)
Method Detail
delete
public
void delete() throws
SQLException
(Code)
evalToResult
public
void evalToResult(
Column
column,
SelectResult
result) throws
SQLException
(Code)
Evaluates the row to the result.
free
public
void free()
(Code)
getBlock
public
Block
getBlock()
(Code)
getBlockId
final
public
long getBlockId()
(Code)
Returns the current block id of the iterator.
getBuffer
final
public
byte[] getBuffer()
(Code)
Gets the current block.
getDouble
public
double getDouble(
Column
column) throws
SQLException
(Code)
Returns the column's double value.
Parameters:
index - column index in the row the double value
getInteger
public
int getInteger(
Column
column) throws
SQLException
(Code)
Returns the column's value as an integer
Parameters:
index - column index in the row the integer value
getLong
public
long getLong(
Column
column) throws
SQLException
(Code)
Returns the column's long value.
Parameters:
index - column index in the row the long value
getQueryContext
public
QueryContext
getQueryContext()
(Code)
Returns the query context for the iterator.
getRowAddress
final
public
long getRowAddress()
(Code)
Returns the current address.
getRowOffset
final
public
int getRowOffset()
(Code)
Returns the current row offset of the iterator.
getString
public
String
getString(
Column
column) throws
SQLException
(Code)
Returns the string for the column at the given index.
getTable
public
Table
getTable()
(Code)
Returns the table of the iterator.
getTransaction
public
Transaction
getTransaction()
(Code)
Returns the transaction for the iterator.
init
public
void init(
Table
table)
(Code)
init
public
void init(
QueryContext
queryContext) throws
SQLException
(Code)
init
public
void init(
Transaction
xa) throws
SQLException
(Code)
initNullRow
public
void initNullRow() throws
IOException
(Code)
Sets the next row.
initRow
public
void initRow() throws
IOException
(Code)
isEqual
public
boolean isEqual(
Column
column, byte[] matchBuffer) throws
SQLException
(Code)
isEqual
public
boolean isEqual(
Column
column, byte[] matchBuffer, int matchLength) throws
SQLException
(Code)
isEqual
public
boolean isEqual(
Column
column,
String
string) throws
SQLException
(Code)
isNull
public
boolean isNull(
Column
column) throws
SQLException
(Code)
Returns true if the column is null.
isNullRow
public
boolean isNullRow()
(Code)
Returns true for the null for (for OUTER JOINs)
next
public
boolean next() throws
IOException
(Code)
Returns the next row.
nextBlock
public
boolean nextBlock() throws
IOException
(Code)
Returns the following block.
nextRow
public
boolean nextRow() throws
IOException
(Code)
Returns the next tuple in the current row. true if a tuple is found,or false if the block has no more tuples
prevRow
public
void prevRow()
(Code)
setBlockId
final
public
void setBlockId(long blockId)
(Code)
Sets the current block id of the iterator.
setDirty
public
void setDirty() throws
SQLException
(Code)
setRow
void setRow(
Block
block, int rowOffset)
(Code)
Sets the row.
setRow
public
void setRow(long rowAddr) throws
IOException
(Code)
Sets the next row.
setRowOffset
final
public
void setRowOffset(int rowOffset)
(Code)
Sets the current row offset of the iterator.
Methods inherited from
java.lang.Object
native
protected
Object
clone() throws
CloneNotSupportedException
(Code)
(Java Doc)
public
boolean equals(
Object
obj)
(Code)
(Java Doc)
protected
void finalize() throws
Throwable
(Code)
(Java Doc)
final native
public
Class
> getClass()
(Code)
(Java Doc)
native
public
int hashCode()
(Code)
(Java Doc)
final native
public
void notify()
(Code)
(Java Doc)
final native
public
void notifyAll()
(Code)
(Java Doc)
public
String
toString()
(Code)
(Java Doc)
final native
public
void wait(long timeout) throws
InterruptedException
(Code)
(Java Doc)
final
public
void wait(long timeout, int nanos) throws
InterruptedException
(Code)
(Java Doc)
final
public
void wait() throws
InterruptedException
(Code)
(Java Doc)
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