Package org.apache.nifi.processors.standard

Class PutDistributedMapCache

java.lang.Object
org.apache.nifi.components.AbstractConfigurableComponent
org.apache.nifi.processor.AbstractSessionFactoryProcessor
org.apache.nifi.processor.AbstractProcessor
org.apache.nifi.processors.standard.PutDistributedMapCache
All Implemented Interfaces:
org.apache.nifi.components.ConfigurableComponent, org.apache.nifi.processor.Processor
@SupportsBatching @Tags({"map","cache","put","distributed"}) @InputRequirement(INPUT_REQUIRED) @CapabilityDescription("Gets the content of a FlowFile and puts it to a distributed map cache, using a cache key computed from FlowFile attributes. If the cache already contains the entry and the cache update strategy is \'keep original\' the entry is not replaced.\'") @WritesAttribute(attribute="cached", description="All FlowFiles will have an attribute \'cached\'. The value of this attribute is true, is the FlowFile is cached, otherwise false.") @SeeAlso(classNames={"org.apache.nifi.distributed.cache.client.DistributedMapCacheClientService","org.apache.nifi.distributed.cache.server.map.DistributedMapCacheServer","org.apache.nifi.processors.standard.FetchDistributedMapCache"}) public class PutDistributedMapCache extends org.apache.nifi.processor.AbstractProcessor

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static class 
    PutDistributedMapCache.CacheValueDeserializer
     
    static class 
    PutDistributedMapCache.CacheValueSerializer
     
    static class 
    PutDistributedMapCache.StringSerializer
    Simple string serializer, used for serializing the cache key

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final org.apache.nifi.components.PropertyDescriptor
    CACHE_ENTRY_IDENTIFIER
     
    static final org.apache.nifi.components.PropertyDescriptor
    CACHE_ENTRY_MAX_BYTES
     
    static final org.apache.nifi.components.AllowableValue
    CACHE_UPDATE_KEEP_ORIGINAL
     
    static final org.apache.nifi.components.AllowableValue
    CACHE_UPDATE_REPLACE
     
    static final org.apache.nifi.components.PropertyDescriptor
    CACHE_UPDATE_STRATEGY
     
    static final String
    CACHED_ATTRIBUTE_NAME
     
    static final org.apache.nifi.components.PropertyDescriptor
    DISTRIBUTED_CACHE_SERVICE
     
    private final Serializer<String>
    keySerializer
     
    private static final List<org.apache.nifi.components.PropertyDescriptor>
    PROPERTIES
     
    static final org.apache.nifi.processor.Relationship
    REL_FAILURE
     
    static final org.apache.nifi.processor.Relationship
    REL_SUCCESS
     
    private static final Set<org.apache.nifi.processor.Relationship>
    RELATIONSHIPS
     
    private final Deserializer<byte[]>
    valueDeserializer
     
    private final Serializer<byte[]>
    valueSerializer
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    PutDistributedMapCache()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    Set<org.apache.nifi.processor.Relationship>
    getRelationships()
     
    protected List<org.apache.nifi.components.PropertyDescriptor>
    getSupportedPropertyDescriptors()
     
    void
    onTrigger(org.apache.nifi.processor.ProcessContext context, org.apache.nifi.processor.ProcessSession session)
     

    Methods inherited from class org.apache.nifi.processor.AbstractProcessor

    onTrigger

    Methods inherited from class org.apache.nifi.processor.AbstractSessionFactoryProcessor

    getControllerServiceLookup, getIdentifier, getLogger, getNodeTypeProvider, init, initialize, isConfigurationRestored, isScheduled, toString, updateConfiguredRestoredTrue, updateScheduledFalse, updateScheduledTrue

    Methods inherited from class org.apache.nifi.components.AbstractConfigurableComponent

    customValidate, equals, getPropertyDescriptor, getPropertyDescriptors, getSupportedDynamicPropertyDescriptor, hashCode, onPropertyModified, validate

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.apache.nifi.components.ConfigurableComponent

    getPropertyDescriptor, getPropertyDescriptors, onPropertyModified, validate

    Methods inherited from interface org.apache.nifi.processor.Processor

    isStateful, migrateProperties, migrateRelationships

  • Field Details

    • CACHED_ATTRIBUTE_NAME

      public static final String CACHED_ATTRIBUTE_NAME
      See Also:

    • DISTRIBUTED_CACHE_SERVICE

      public static final org.apache.nifi.components.PropertyDescriptor DISTRIBUTED_CACHE_SERVICE

    • CACHE_ENTRY_IDENTIFIER

      public static final org.apache.nifi.components.PropertyDescriptor CACHE_ENTRY_IDENTIFIER

    • CACHE_UPDATE_REPLACE

      public static final org.apache.nifi.components.AllowableValue CACHE_UPDATE_REPLACE

    • CACHE_UPDATE_KEEP_ORIGINAL

      public static final org.apache.nifi.components.AllowableValue CACHE_UPDATE_KEEP_ORIGINAL

    • CACHE_UPDATE_STRATEGY

      public static final org.apache.nifi.components.PropertyDescriptor CACHE_UPDATE_STRATEGY

    • CACHE_ENTRY_MAX_BYTES

      public static final org.apache.nifi.components.PropertyDescriptor CACHE_ENTRY_MAX_BYTES

    • PROPERTIES

      private static final List<org.apache.nifi.components.PropertyDescriptor> PROPERTIES

    • REL_SUCCESS

      public static final org.apache.nifi.processor.Relationship REL_SUCCESS

    • REL_FAILURE

      public static final org.apache.nifi.processor.Relationship REL_FAILURE

    • RELATIONSHIPS

      private static final Set<org.apache.nifi.processor.Relationship> RELATIONSHIPS

    • keySerializer

      private final Serializer<String> keySerializer

    • valueSerializer

      private final Serializer<byte[]> valueSerializer

    • valueDeserializer

      private final Deserializer<byte[]> valueDeserializer

  • Constructor Details

    • PutDistributedMapCache

      public PutDistributedMapCache()

  • Method Details

    • getSupportedPropertyDescriptors

      protected List<org.apache.nifi.components.PropertyDescriptor> getSupportedPropertyDescriptors()
      Overrides:
      getSupportedPropertyDescriptors in class org.apache.nifi.components.AbstractConfigurableComponent

    • getRelationships

      public Set<org.apache.nifi.processor.Relationship> getRelationships()
      Specified by:
      getRelationships in interface org.apache.nifi.processor.Processor
      Overrides:
      getRelationships in class org.apache.nifi.processor.AbstractSessionFactoryProcessor

    • onTrigger

      public void onTrigger(org.apache.nifi.processor.ProcessContext context, org.apache.nifi.processor.ProcessSession session) throws org.apache.nifi.processor.exception.ProcessException
      Specified by:
      onTrigger in class org.apache.nifi.processor.AbstractProcessor
      Throws:
      org.apache.nifi.processor.exception.ProcessException