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Java Source Code / Java Documentation » EJB Server GlassFish » appserv jstl » javax.servlet.jsp.jstl.sql 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   javax.servlet.jsp.jstl.sql.ResultImpl

ResultImpl
class ResultImpl implements Result,Serializable(Code)

This class creates a cached version of a ResultSet. It's represented as a Result implementation, capable of returing an array of Row objects containing a Column instance for each column in the row. It is not part of the JSTL API; it serves merely as a back-end to ResultSupport's static methods. Thus, we scope its access to the package.
author:
   Hans Bergsten
author:
   Justyna Horwat




Constructor Summary
public  ResultImpl(ResultSet rs, int startRow, int maxRows)
     This constructor reads the ResultSet and saves a cached copy.

Method Summary
public  String[]getColumnNames()
     Returns an array of String objects.
public  intgetRowCount()
    
public  SortedMap[]getRows()
     Returns an array of SortedMap objects.
public  Object[][]getRowsByIndex()
     Returns an array of Object[] objects.
public  booleanisLimitedByMaxRows()
    


Constructor Detail
ResultImpl
public ResultImpl(ResultSet rs, int startRow, int maxRows) throws SQLException(Code)
This constructor reads the ResultSet and saves a cached copy. It's important to note that this object will be serializable only if the objects returned by the ResultSet are serializable too.
Parameters:
  rs - an open ResultSet, positioned before the firstrow
Parameters:
  startRow - beginning row to be cached
Parameters:
  maxRows - query maximum rows limit
exception:
  java.sql.SQLException - if a database error occurs




Method Detail
getColumnNames
public String[] getColumnNames()(Code)
Returns an array of String objects. The array represents the names of the columns arranged in the same order as in the getRowsByIndex() method. an array of String[]



getRowCount
public int getRowCount()(Code)
Returns the number of rows in the cached ResultSet the number of cached rows, or -1 if the Result couldnot be initialized due to SQLExceptions



getRows
public SortedMap[] getRows()(Code)
Returns an array of SortedMap objects. The SortedMap object key is the ColumnName and the value is the ColumnValue. SortedMap was created using the CASE_INSENSITIVE_ORDER Comparator so the key is the case insensitive representation of the ColumnName. an array of Map, or null if there are no rows



getRowsByIndex
public Object[][] getRowsByIndex()(Code)
Returns an array of Object[] objects. The first index designates the Row, the second the Column. The array stores the value at the specified row and column. an array of Object[], or null if there are no rows



isLimitedByMaxRows
public boolean isLimitedByMaxRows()(Code)
Returns true if the query was limited by a maximum row setting true if the query was limited by a MaxRows attribute



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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