jet.datasource
Interface JRHierarchicalDataset

public interface JRHierarchicalDataset

A JRHierarchicalDataset provides data for JReport to generate reports. JRHierarchicalDataset class is developed by users of JReport, and it can provide data from a flat file, non-relational database, or application data.

getMetaData

JRHierarchicalDatasetMetaData getMetaData()

Retrieves the number, types and properties of this object's leaves.

next

boolean next(java.lang.String branchName)

Moves the cursor down one row from its current position in the current node. return true if the new current row is valid; false if there are no more rows in the current node.

Parameters:

branchName - The full path name of the current node. Its delimiter is full stop which is defined by JRHierarchicalDatasetMetaData.PATH_DELIMITER, like "Employee.Orders".

getBoolean

boolean getBoolean(int leafIndex)

Gets the value of the designated leaf node in the current branch node row as a boolean in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getByte

byte getByte(int leafIndex)

Gets the value of the designated leaf in the current branch node row as a byte in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getBytes

byte[] getBytes(int leafIndex)

Gets the value of the designated leaf in the current branch node row as a byte array in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getShort

short getShort(int leafIndex)

Returns the value of the designated leaf in the current branch node row as a short in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getInt

int getInt(int leafIndex)

Returns the value of the designated leaf in the current branch node row as an int in the Java programming language.

Parameters:

leafIndex - column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getLong

long getLong(int leafIndex)

Returns the value of the designated leaf in the current branch node row as a long in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getFloat

float getFloat(int leafIndex)

Returns the value of the designated leaf in the current branch node row as a float in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getDouble

double getDouble(int leafIndex)

Returns the value of the designated leaf in the current branch node row as a double in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getBigDecimal

java.math.BigDecimal getBigDecimal(int leafIndex)

Gets the value of the designated leaf in the current branch node row as a java.math.BigDecimal with full precision.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getDate

java.sql.Date getDate(int leafIndex)

Returns the value of the designated leaf in the current branch node row as a java.sql.Date object in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getTime

java.sql.Time getTime(int leafIndex)

Returns the value of the designated leaf in the current branch node row as a java.sql.Time object in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getTimestamp

java.sql.Timestamp getTimestamp(int leafIndex)

Returns the value of the designated leaf in the current branch node row as a java.sql.Timestamp object in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getString

java.lang.String getString(int leafIndex)

Returns the value of the designated leaf in the current branch node row as a String in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getArray

java.sql.Array getArray(int leafIndex)

Returns the value of the designated leaf in the current branch node row as an Array object in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

getBinaryStream

java.io.InputStream getBinaryStream(int leafIndex)

Returns the value of the designated leaf in the current branch node row as a stream in the Java programming language.

Parameters:

leafIndex - Column index of the designated leaf node in the current branch node row. The first column is 1, the second is 2,...

wasNull

boolean wasNull()

Reports whether the last leaf read has a value of SQL NULL.

close

void close()

Releases this object's resources.