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org.apache.derby.impl.sql.compile

pack-priv Class ColumnOrdering

extends Object
Class Inheritance
Imports
java.util.ArrayList, org.apache.derby.iapi.sql.compile.RowOrdering, org.apache.derby.shared.common.sanity.SanityManager

Field Summary

Modifier and TypeField and Description
private final ArrayList<Integer>
columns

A list of column numbers (Integers).

pack-priv int
myDirection

See RowOrdering for possible values.

private final ArrayList<Integer>
tables

A list of table numbers (Integers), corresponding to the columns list by position.

Constructor Summary

AccessConstructor and Description
pack-priv
ColumnOrdering(int
See RowOrdering for possible values
direction)

Method Summary

Modifier and TypeMethod and Description
pack-priv void
addColumn(int
The number of table in question
tableNumber, int
The column number in the table (one-based)
columnNumber)

Add a column in a table to this ColumnOrdering

pack-priv ColumnOrdering
cloneMe()

Return a clone of this ColumnOrdering

pack-priv boolean

Returns:

true if the column is found here in the right direction
contains(int
The number of table in question
tableNumber, int
The column number in the table (one-based)
columnNumber)

Does this ColumnOrdering contain the given column?

pack-priv int
direction()

Get the direction of this ColumnOrdering

pack-priv boolean
empty()

Tell whether this ColumnOrdering has no elements.

pack-priv boolean
hasAnyOtherTable(int tableNumber)

Is there any table other than the given one in this ColumnOrdering?

pack-priv boolean
hasTable(int tableNumber)

Is the given table number in this ColumnOrdering?

pack-priv boolean

Returns:

true if the column is found here in the right direction
ordered(int
See RowOrdering for possible values
direction, int
The number of the table in question
tableNumber, int
The column number in the table (one-based)
columnNumber)

Does this ColumnOrdering contain the given column in the given table in the right direction?

pack-priv void
removeColumns(int tableNumber)

Remove all columns with the given table number

public String
toString()

Overrides java.lang.Object.toString.

Returns a string representation of the object.

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAllwaitwaitwait

Field Detail

columnsback to summary
private final ArrayList<Integer> columns

A list of column numbers (Integers).

myDirectionback to summary
pack-priv int myDirection

See RowOrdering for possible values.

tablesback to summary
private final ArrayList<Integer> tables

A list of table numbers (Integers), corresponding to the columns list by position.

Constructor Detail

ColumnOrderingback to summary
pack-priv ColumnOrdering(int direction)
Parameters
direction:int

See RowOrdering for possible values

Method Detail

addColumnback to summary
pack-priv void addColumn(int tableNumber, int columnNumber)

Add a column in a table to this ColumnOrdering

Parameters
tableNumber:int

The number of table in question

columnNumber:int

The column number in the table (one-based)

cloneMeback to summary
pack-priv ColumnOrdering cloneMe()

Return a clone of this ColumnOrdering

containsback to summary
pack-priv boolean contains(int tableNumber, int columnNumber)

Does this ColumnOrdering contain the given column?

Parameters
tableNumber:int

The number of table in question

columnNumber:int

The column number in the table (one-based)

Returns:boolean

true if the column is found here in the right direction

directionback to summary
pack-priv int direction()

Get the direction of this ColumnOrdering

emptyback to summary
pack-priv boolean empty()

Tell whether this ColumnOrdering has no elements.

hasAnyOtherTableback to summary
pack-priv boolean hasAnyOtherTable(int tableNumber)

Is there any table other than the given one in this ColumnOrdering?

hasTableback to summary
pack-priv boolean hasTable(int tableNumber)

Is the given table number in this ColumnOrdering?

orderedback to summary
pack-priv boolean ordered(int direction, int tableNumber, int columnNumber)

Does this ColumnOrdering contain the given column in the given table in the right direction?

Parameters
direction:int

See RowOrdering for possible values

tableNumber:int

The number of the table in question

columnNumber:int

The column number in the table (one-based)

Returns:boolean

true if the column is found here in the right direction

removeColumnsback to summary
pack-priv void removeColumns(int tableNumber)

Remove all columns with the given table number

toStringback to summary
public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.

Returns:String

a string representation of the object

Annotations
@Override