FilterRule

class aws_cdk.aws_lambda.FilterRule

Bases: object

Filter rules for Lambda event filtering.

ExampleMetadata:

infused

Example:

import aws_cdk.aws_dynamodb as dynamodb
from aws_cdk.aws_lambda_event_sources import DynamoEventSource

# table: dynamodb.Table

# fn: lambda.Function

fn.add_event_source(DynamoEventSource(table,
    starting_position=lambda_.StartingPosition.LATEST,
    filters=[
        lambda_.FilterCriteria.filter({
            "event_name": lambda_.FilterRule.is_equal("INSERT"),
            "dynamodb": {
                "NewImage": {
                    "id": {"BOOL": lambda_.FilterRule.is_equal(True)}
                }
            }
        })
    ]
))

Static Methods

classmethod begins_with(elem)

Begins with comparison operator.

Parameters:

elem (str) –

Return type:

List[Mapping[str, str]]

classmethod between(first, second)

Numeric range comparison operator.

Parameters:

• first (Union[int, float]) –

• second (Union[int, float]) –

Return type:

List[Mapping[str, List[Any]]]

classmethod empty()

Empty comparison operator.

Return type:

List[str]

classmethod exists()

Exists comparison operator.

Return type:

List[Mapping[str, bool]]

classmethod is_equal(item)

Equals comparison operator.

Parameters:

item (Union[str, int, float, bool]) –

Return type:

Any

classmethod not_equals(elem)

Not equals comparison operator.

Parameters:

elem (str) –

Return type:

List[Mapping[str, List[str]]]

classmethod not_exists()

Not exists comparison operator.

Return type:

List[Mapping[str, bool]]

classmethod null()

Null comparison operator.

Return type:

List[str]

classmethod or_(*elem)

Or comparison operator.

Parameters:

elem (str) –

Return type:

List[str]