HL7v2IO.Read (google-cloud-platform 2.44.0 API)

java.lang.Object
- org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<java.lang.String>,HL7v2IO.Read.Result>
- - org.apache.beam.sdk.io.gcp.healthcare.HL7v2IO.Read

All Implemented Interfaces:

java.io.Serializable, org.apache.beam.sdk.transforms.display.HasDisplayData

Enclosing class:

HL7v2IO
```
public static class HL7v2IO.Read
extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<java.lang.String>,HL7v2IO.Read.Result>
```
The type Read that reads HL7v2 message contents given a PCollection of message IDs strings.
These could be sourced from any PCollection of Strings but the most popular patterns would be PubsubIO.readStrings() reading a subscription on an HL7v2 Store's notification channel topic or using HL7v2IO.ListHL7v2Messages to list HL7v2 message IDs with an optional filter using Ingest write method. @see .

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`HL7v2IO.Read.FetchHL7v2Message`	`PTransform` to fetch a message from an Google Cloud Healthcare HL7v2 store based on msgID.
`static class`	`HL7v2IO.Read.Result`

Field Summary

Fields
Modifier and Type	Field	Description
`static org.apache.beam.sdk.values.TupleTag<HealthcareIOError<java.lang.String>>`	`DEAD_LETTER`	The tag for the deadletter output of HL7v2 Messages.
`static org.apache.beam.sdk.values.TupleTag<HL7v2Message>`	`OUT`	The tag for the main output of HL7v2 Messages.

Fields inherited from class org.apache.beam.sdk.transforms.PTransform
name, resourceHints

Constructor Summary

Constructors
Constructor Description

Read()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

HL7v2IO.Read.Result expand(org.apache.beam.sdk.values.PCollection<java.lang.String> input)
- Methods inherited from class org.apache.beam.sdk.transforms.PTransform
  compose, compose, getAdditionalInputs, getDefaultOutputCoder, getDefaultOutputCoder, getDefaultOutputCoder, getKindString, getName, getResourceHints, populateDisplayData, setResourceHints, toString, validate, validate
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - OUT
```
public static final org.apache.beam.sdk.values.TupleTag<HL7v2Message> OUT
```
    The tag for the main output of HL7v2 Messages.
  - DEAD_LETTER
```
public static final org.apache.beam.sdk.values.TupleTag<HealthcareIOError<java.lang.String>> DEAD_LETTER
```
    The tag for the deadletter output of HL7v2 Messages.
- Constructor Detail
  - Read
```
public Read()
```
- Method Detail
  - expand
```
public HL7v2IO.Read.Result expand(org.apache.beam.sdk.values.PCollection<java.lang.String> input)
```
    Specified by:
    
    expand in class org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<java.lang.String>,HL7v2IO.Read.Result>