Package com.mckoi.database

Class FunctionTable.TableGroupResolver

java.lang.Object

com.mckoi.database.FunctionTable.TableGroupResolver

All Implemented Interfaces:

GroupResolver

Enclosing class:

FunctionTable

final class FunctionTable.TableGroupResolver
extends java.lang.Object
implements GroupResolver

Group resolver. This is used to resolve group information in the refering table.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	FunctionTable.TableGroupResolver.TableGVResolver

Field Summary

Fields

Modifier and Type	Field	Description
private IntegerVector	group	The IntegerVector that represents the group we are currently processing.
private int	group_number	The current group number.
private FunctionTable.TableGroupResolver.TableGVResolver	tgv_resolver	A VariableResolver that can resolve variables within a set of a group.

Constructor Summary

Constructors

Constructor	Description
TableGroupResolver()

Method Summary

Modifier and Type	Method	Description
private FunctionTable.TableGroupResolver.TableGVResolver	createVariableResolver()	Creates a resolver that resolves variables within a set of the group.
private void	ensureGroup()	Ensures that 'group' is set up.
VariableResolver	getVariableResolver(int set_index)	Returns a VariableResolver that can be used to resolve variable in the get set of the group.
int	groupID()	A number that uniquely identifies this group from all the others in the set of groups.
TObject	resolve(Variable variable, int set_index)	Returns the value of a variable of a group.
void	setUpGroupForRow(int row_index)	Given a row index, this will setup the information in this resolver to solve for this group.
int	size()	The total number of set items in this group.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

group

private IntegerVector group

The IntegerVector that represents the group we are currently processing.

group_number

private int group_number

The current group number.

tgv_resolver

private FunctionTable.TableGroupResolver.TableGVResolver tgv_resolver

A VariableResolver that can resolve variables within a set of a group.

Constructor Detail

TableGroupResolver

TableGroupResolver()

Method Detail

createVariableResolver

private FunctionTable.TableGroupResolver.TableGVResolver createVariableResolver()

Creates a resolver that resolves variables within a set of the group.

ensureGroup

private void ensureGroup()

Ensures that 'group' is set up.

setUpGroupForRow

public void setUpGroupForRow(int row_index)

Given a row index, this will setup the information in this resolver to solve for this group.

groupID

public int groupID()

Description copied from interface: GroupResolver

A number that uniquely identifies this group from all the others in the set of groups.

Specified by:

groupID in interface GroupResolver

size

public int size()

Description copied from interface: GroupResolver

The total number of set items in this group.

Specified by:

size in interface GroupResolver

resolve

public TObject resolve(Variable variable,
                       int set_index)

Description copied from interface: GroupResolver

Returns the value of a variable of a group. The set index signifies the set item of the group. For example, if the group contains 10 items, then set_index may be between 0 and 9. Return types must be either a String, BigDecimal or Boolean.

Specified by:

resolve in interface GroupResolver

getVariableResolver

public VariableResolver getVariableResolver(int set_index)

Description copied from interface: GroupResolver

Returns a VariableResolver that can be used to resolve variable in the get set of the group. The object returned is undefined after the next call to this method.

Specified by:

getVariableResolver in interface GroupResolver