org.epics.pvmanager.data
Interface VTable


public interface VTable

A table. Tables are collections of columns, each of which is composed of a String representing the name of the column and an array of a particular type (all elements of the same column must be of the same type).

Author:
carcassi

Method Summary
 Object getColumnArray(int column)
          The data for the given column.
 int getColumnCount()
          The number of columns in the table.
 String getColumnName(int column)
          The name of the given column.
 Class<?> getColumnType(int column)
          The type of the elements in the column.
 int getRowCount()
          The number of rows in the table.
 

Method Detail

getColumnCount

int getColumnCount()
The number of columns in the table.

Returns:
the number of columns

getRowCount

int getRowCount()
The number of rows in the table.

Currently, is not clear whether all columns actually have the same number of rows, that is if all arrays have the same length. In the case of variable row, this will return the maximum row count, that is the length of the longest array/column.

Returns:
the number of rows

getColumnType

Class<?> getColumnType(int column)
The type of the elements in the column. The column array will be an array of the given type. For primitive types, this function will return the wrapper class, while getColumnArray(int) will return an array of primitives.

Parameters:
column - the column index
Returns:
the type of this column

getColumnName

String getColumnName(int column)
The name of the given column.

Parameters:
column - the column index
Returns:
the name of the column

getColumnArray

Object getColumnArray(int column)
The data for the given column. You should cast this object to an array of the appropriate type.

Parameters:
column - the column index
Returns:
the data of the column


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