com.aspose.words.net.System.Data

Class UniqueConstraint

java.lang.Object

com.aspose.words.net.System.Data.Constraint

com.aspose.words.net.System.Data.UniqueConstraint

public class UniqueConstraint
extends Constraint

Represents a restriction on a set of columns in which all values must be unique.

Constructor Summary

Constructors

Constructor and Description
UniqueConstraint(DataColumn column) Initializes a new instance of the UniqueConstraint class with the specified DataColumn.
UniqueConstraint(DataColumn[] columns) Initializes a new instance of the UniqueConstraint class with the given array of DataColumn objects.
UniqueConstraint(DataColumn[] columns, boolean isPrimaryKey) Initializes a new instance of the UniqueConstraint class with an array of DataColumn objects to constrain, and a value specifying whether the constraint is a primary key.
UniqueConstraint(java.lang.String name, DataColumn[] columns, boolean isPrimaryKey) Initializes a new instance of the UniqueConstraint class with the specified name, an array of DataColumn objects to constrain, and a value specifying whether the constraint is a primary key.

Method Summary

Modifier and Type	Method and Description
protected void	addToConstraintCollectionSetup(ConstraintCollection collection)
boolean	equals(java.lang.Object key2) Compares this constraint to a second to determine if both are identical.
DataColumn[]	getColumns() Gets the array of columns that this constraint affects.
DataTable	getTable() Gets the table to which this constraint belongs.
int	hashCode()
boolean	isPrimaryKey() Gets a value indicating whether or not the constraint is on a primary key.

Methods inherited from class com.aspose.words.net.System.Data.Constraint

getConstraintName, setConstraintName

Methods inherited from class java.lang.Object

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

Constructor Detail

UniqueConstraint

public UniqueConstraint(java.lang.String name,
                        DataColumn[] columns,
                        boolean isPrimaryKey)

Initializes a new instance of the UniqueConstraint class with the specified name, an array of DataColumn objects to constrain, and a value specifying whether the constraint is a primary key.

Parameters:

name - The name of the constraint.

columns - An array of DataColumn objects to constrain.

isPrimaryKey - true to indicate that the constraint is a primary key; otherwise, false.

UniqueConstraint

public UniqueConstraint(DataColumn[] columns,
                        boolean isPrimaryKey)

Initializes a new instance of the UniqueConstraint class with an array of DataColumn objects to constrain, and a value specifying whether the constraint is a primary key.

Parameters:

columns - An array of DataColumn objects to constrain.

isPrimaryKey - true to indicate that the constraint is a primary key; otherwise, false.

UniqueConstraint

public UniqueConstraint(DataColumn[] columns)

Initializes a new instance of the UniqueConstraint class with the given array of DataColumn objects.

Parameters:

columns - The array of DataColumn objects to constrain.

UniqueConstraint

public UniqueConstraint(DataColumn column)

Initializes a new instance of the UniqueConstraint class with the specified DataColumn.

Parameters:

column - The DataColumn to constrain.

Method Detail

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object key2)

Compares this constraint to a second to determine if both are identical.

Overrides:

equals in class java.lang.Object

Parameters:

key2 - The object to which this UniqueConstraint is compared.

Returns:

true, if the contraints are equal; otherwise, false.

getColumns

public DataColumn[] getColumns()

Gets the array of columns that this constraint affects.

Returns:

An array of DataColumn objects.

isPrimaryKey

public boolean isPrimaryKey()

Gets a value indicating whether or not the constraint is on a primary key.

Returns:

true, if the constraint is on a primary key; otherwise, false.

getTable

public DataTable getTable()

Gets the table to which this constraint belongs.

Returns:

The DataTable to which the constraint belongs.

addToConstraintCollectionSetup

protected void addToConstraintCollectionSetup(ConstraintCollection collection)
                                       throws InvalidConstraintException

Throws:

InvalidConstraintException