Prefetch Service

Description

The Prefetch Service prefetches no longer ONLINE available studies from an external archive or attached NEARLINE
storage on receive of a HL7 Order Message (ORM^O01) for the patient.

Dependencies

Attributes

#StylesheetURL

Stylesheet for HL7 ORM^O01 to C-FIND RQ mapping.

Default Value: resource:dcm4chee-hl7/orm2prefetch.xsl

#PrefetchSourceAETitle

AE title of C-FIND SCP, which shall be queried for available studies of a particular patient.
NONE = prefetch disabled.

Default Value: NONE

#SourceQueryPriority

Priority of query requests to the Prefetch Source AE.
Enumerated Values: LOW, MEDIUM, HIGH.

Default Value: MEDIUM

AE title of C-FIND SCP, which shall be queried to identify the availability of studies. Studies which are not ONLINE available - which includes (parts of) studies which are not available on this AE at all - will be retrieved to the configured Destination Storage AE.

Default Value: DCM4CHEE

#DestinationQueryPriority

Priority of query requests to the Destination Query AE.
Enumerated Values: LOW, MEDIUM, HIGH.

Default Value: MEDIUM

#DestinationStorageAETitle

AE title of C-STORE SCP, to which (parts of) studies of a patient shall be retrieved, which are known by the Prefetch Source AE, but are not ONLINE available from the Destination Query AE.

Default Value: DCM4CHEE

#RetrievePriority

Priority of invoked retrieve requests.
Enumerated Values: LOW, MEDIUM, HIGH.

Default Value: MEDIUM

#CallingAETitle

Calling AE title used for DICOM communications.

Default Value: DCM4CHEE

#RetryIntervalls

Number and intervalls of retries of failed prefetch requests by a list of comma separated NUMBERxINTERVAL pairs. The intervall can be specified in seconds (##s), minutes (##m), hours (##h) or days (##d).

Default Value: 5x1m,12x5m,12x1h