HxCollection Class

class HxCollection

Value type for collection expressions (lists or sets). Such a value is obtained with HxExpression.value or with HxSolution.getValue().

See:

HxModel

See:

HxExpression

Summary

Methods

add

Adds the given value to this collection.

clear

Removes all values of this collection.

count

Returns the number of values in the collection.

contains

Returns true if the collection contains the given value, false otherwise.

isUndefined

Returns true if the collection is undefined.

Overloaded operators

iterator

Returns an iterator than can be used within a for statement.

index

Indexer.

Methods

HxCollection.add(val)

Adds the given value to this collection. Only allowed in state STOPPED. This function will fail if the given value is not an integer, is outside of the domain of the list or if this value is already included in this list (keep in mind that a list cannot contain twice the same value).

HxCollection.clear()

Removes all values of this collection. Only allowed in state STOPPED.

HxCollection.count()

Returns the number of values in the collection. Elements in collections are indexed from 0 to count()-1.

Returns:

Number of values in the collection.

Return type:

int

HxCollection.contains(value)

Returns true if the collection contains the given value, false otherwise. An exception will be thrown if the provided value is not an integer.

Parameters:

value (int) – Element whose presence in this collection is to be tested.

Return type:

bool

HxCollection.isUndefined()

Returns true if the collection is undefined. A collection can be undefined if it is the result of any ill-defined operation (at with out of bounds index or operations on undefined values for instance).

Returns:

True if the collection is undefined.

Return type:

bool

Overloaded operators

HxCollection.iterator()

Returns an iterator than can be used within a for statement.

HxCollection.index(position)

Indexer. Gets the value at the given position.

Parameters:

position (int) – The considered position. Must be non negative and striclty smaller than the number of values in the collection.

Returns:

The value at the given position

Return type:

int