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Java Source Code / Java Documentation » Report » datavision 1.1.0 » jimm.datavision.source

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

jimm.datavision.source .DataCursor

All known Subclasses:   jimm.datavision.test.mock.source .MockDataCursor,  jimm.datavision.source.sql .ResultSetRow,  jimm.datavision.test.mock.source .MockAggregateDataCursor,  jimm.datavision.source.charsep .CharSepRow,
DataCursor
abstract public class DataCursor (Code)
Represents a row of data. Provides the interface needed by Report, no more. When using JDBC, this is a wrapper around a ResultSet.
The only method subclasses must implement is readRowData().
author:
   Jim Menard, jimm@io.com

Field Summary
protected List currRowData

protected int currRowNumber

protected List lastRowData

protected int lastRowNumber

protected List nextRowData

protected List prevRowData


Method Summary
public void close()

public Object getObject(int index)
     Returns the object in the specified column.
public int getRow()

public boolean isFirst()

public boolean isLast()

public boolean last()

public boolean next()

public boolean previous()

abstract protected List readRowData()


Field Detail
currRowData
protected List currRowData(Code)

currRowNumber
protected int currRowNumber(Code)

lastRowData
protected List lastRowData(Code)

lastRowNumber
protected int lastRowNumber(Code)

nextRowData
protected List nextRowData(Code)

prevRowData
protected List prevRowData(Code)

Method Detail
close
public void close()(Code)

getObject
public Object getObject(int index)(Code)
Returns the object in the specified column. index starts at 1.
Even when running a report, currRowData is not always defined. For example, when a query returns zero rows but a column field is in some header or footer, this method is called but currRowData is null. If it is, we return null. the object in the index'th column, or nullif no data has yet been read

getRow
public int getRow()(Code)

isFirst
public boolean isFirst()(Code)

isLast
public boolean isLast()(Code)

last
public boolean last()(Code)

next
public boolean next()(Code)

previous
public boolean previous()(Code)

readRowData
abstract protected List readRowData()(Code)

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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