Package no.unit.nva.events.models

Class ScanDatabaseRequest

java.lang.Object

no.unit.nva.events.models.ScanDatabaseRequest

All Implemented Interfaces:

no.unit.nva.commons.json.JsonSerializable, EventBody

public class ScanDatabaseRequest
extends Object
implements EventBody, no.unit.nva.commons.json.JsonSerializable

Class that can be sent as an event to a lambda handler for scanning a page of a DynamoDB table. The startMarker is a scan start marker as required by the DynamoDb client. The pageSize is the number of the results the scan will return (max 1000). The topic is the event topic that the handler is listening for events.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_PAGE_SIZE
static final int	MAX_PAGE_SIZE
static final String	PAGE_SIZE
static final String	START_MARKER

Fields inherited from interface no.unit.nva.events.models.EventBody

TOPIC

Constructor Summary

Constructors

Constructor	Description
ScanDatabaseRequest(String topic, Integer pageSize, Map<String,com.amazonaws.services.dynamodbv2.model.AttributeValue> startMarker)

Method Summary

Modifier and Type	Method	Description
software.amazon.awssdk.services.eventbridge.model.PutEventsRequestEntry	createNewEventEntry(String eventBusName, String detailType, String invokedFunctionArn)
boolean	equals(Object o)
static ScanDatabaseRequest	fromJson(String detail)
int	getPageSize()
Map<String,com.amazonaws.services.dynamodbv2.model.AttributeValue>	getStartMarker()
String	getTopic()
int	hashCode()
ScanDatabaseRequest	newScanDatabaseRequest(Map<String,com.amazonaws.services.dynamodbv2.model.AttributeValue> newStartMarker)	Utility method for creating easily the next scan request.

Methods inherited from class java.lang.Object

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

Methods inherited from interface no.unit.nva.commons.json.JsonSerializable

toJsonString

Field Details

START_MARKER

public static final String START_MARKER

See Also:

• Constant Field Values

PAGE_SIZE

public static final String PAGE_SIZE

See Also:

• Constant Field Values

DEFAULT_PAGE_SIZE

public static final int DEFAULT_PAGE_SIZE

See Also:

• Constant Field Values

MAX_PAGE_SIZE

public static final int MAX_PAGE_SIZE

See Also:

• Constant Field Values

Constructor Details

ScanDatabaseRequest

public ScanDatabaseRequest(String topic,
 Integer pageSize,
 Map<String,com.amazonaws.services.dynamodbv2.model.AttributeValue> startMarker)

Method Details

fromJson

public static ScanDatabaseRequest fromJson(String detail)
                                    throws com.fasterxml.jackson.core.JsonProcessingException

Throws:

com.fasterxml.jackson.core.JsonProcessingException

getTopic

public String getTopic()

Specified by:

getTopic in interface EventBody

getPageSize

public int getPageSize()

getStartMarker

public Map<String,com.amazonaws.services.dynamodbv2.model.AttributeValue> getStartMarker()

newScanDatabaseRequest

public ScanDatabaseRequest newScanDatabaseRequest(Map<String,com.amazonaws.services.dynamodbv2.model.AttributeValue> newStartMarker)

Utility method for creating easily the next scan request.

Parameters:

newStartMarker - the start marker for the next scan operation.

Returns:

a new ScanDatabaseRequest containing the the newStartMarker

createNewEventEntry

public software.amazon.awssdk.services.eventbridge.model.PutEventsRequestEntry createNewEventEntry(String eventBusName,
 String detailType,
 String invokedFunctionArn)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object