Package com.networknt.aws.lambda.cache

Class DynamoDbCacheManager

java.lang.Object

com.networknt.aws.lambda.cache.DynamoDbCacheManager

All Implemented Interfaces:

com.networknt.cache.CacheManager

public class DynamoDbCacheManager
extends Object
implements com.networknt.cache.CacheManager

This is the cache manager that can survive the cold start of the lambda function.

Nested Class Summary

Nested classes/interfaces inherited from interface com.networknt.cache.CacheManager

com.networknt.cache.CacheManager.Holder

Field Summary

Fields inherited from interface com.networknt.cache.CacheManager

logger

Constructor Summary

Constructors

Constructor	Description
DynamoDbCacheManager()

Method Summary

Modifier and Type	Method	Description
void	addCache(String cacheName, long maxSize, long expiryInMinutes)
static Map<Object,Object>	convertMap(Map<String,software.amazon.awssdk.services.dynamodb.model.AttributeValue> originalMap)
void	delete(String cacheName, String key)
void	deleteTable(String tableName)
boolean	doesTableExist(String tableName)
Object	get(String cacheName, String key)
Map<Object,Object>	getCache(String cacheName)
int	getSize(String cacheName)
void	put(String cacheName, String key, Object value)
void	removeCache(String cacheName)

Methods inherited from class java.lang.Object

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

Constructor Details

DynamoDbCacheManager

public DynamoDbCacheManager()

Method Details

addCache

public void addCache(String cacheName,
 long maxSize,
 long expiryInMinutes)

Specified by:

addCache in interface com.networknt.cache.CacheManager

getCache

public Map<Object,Object> getCache(String cacheName)

Specified by:

getCache in interface com.networknt.cache.CacheManager

convertMap

public static Map<Object,Object> convertMap(Map<String,software.amazon.awssdk.services.dynamodb.model.AttributeValue> originalMap)

put

public void put(String cacheName,
 String key,
 Object value)

Specified by:

put in interface com.networknt.cache.CacheManager

get

public Object get(String cacheName,
 String key)

Specified by:

get in interface com.networknt.cache.CacheManager

delete

public void delete(String cacheName,
 String key)

Specified by:

delete in interface com.networknt.cache.CacheManager

removeCache

public void removeCache(String cacheName)

Specified by:

removeCache in interface com.networknt.cache.CacheManager

getSize

public int getSize(String cacheName)

Specified by:

getSize in interface com.networknt.cache.CacheManager

deleteTable

public void deleteTable(String tableName)
                 throws InterruptedException

Throws:

InterruptedException

doesTableExist

public boolean doesTableExist(String tableName)