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Java Source Code / Java Documentation » 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  voiddelete()
    
public  voidevalToResult(Column column, SelectResult result)
     Evaluates the row to the result.
public  voidfree()
    
public  BlockgetBlock()
    
final public  longgetBlockId()
     Returns the current block id of the iterator.
final public  byte[]getBuffer()
     Gets the current block.
public  doublegetDouble(Column column)
     Returns the column's double value.
public  intgetInteger(Column column)
    
public  longgetLong(Column column)
     Returns the column's long value.
public  QueryContextgetQueryContext()
     Returns the query context for the iterator.
final public  longgetRowAddress()
     Returns the current address.
final public  intgetRowOffset()
     Returns the current row offset of the iterator.
public  StringgetString(Column column)
     Returns the string for the column at the given index.
public  TablegetTable()
     Returns the table of the iterator.
public  TransactiongetTransaction()
     Returns the transaction for the iterator.
public  voidinit(Table table)
    
public  voidinit(QueryContext queryContext)
    
public  voidinit(Transaction xa)
    
public  voidinitNullRow()
     Sets the next row.
public  voidinitRow()
    
public  booleanisEqual(Column column, byte[] matchBuffer)
    
public  booleanisEqual(Column column, byte[] matchBuffer, int matchLength)
    
public  booleanisEqual(Column column, String string)
    
public  booleanisNull(Column column)
     Returns true if the column is null.
public  booleanisNullRow()
    
public  booleannext()
     Returns the next row.
public  booleannextBlock()
     Returns the following block.
public  booleannextRow()
     Returns the next tuple in the current row.
public  voidprevRow()
    
final public  voidsetBlockId(long blockId)
     Sets the current block id of the iterator.
public  voidsetDirty()
    
 voidsetRow(Block block, int rowOffset)
     Sets the row.
public  voidsetRow(long rowAddr)
     Sets the next row.
final public  voidsetRowOffset(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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