nabmoh123 commented on a change in pull request #4939:
URL: https://github.com/apache/nifi/pull/4939#discussion_r607722789
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File path:
nifi-nar-bundles/nifi-amqp-bundle/nifi-amqp-processors/src/main/java/org/apache/nifi/amqp/processors/AbstractAMQPProcessor.java
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@@ -55,18 +57,26 @@
*/
abstract class AbstractAMQPProcessor<T extends AMQPWorker> extends
AbstractProcessor {
+ public static final PropertyDescriptor BROKERS = new
PropertyDescriptor.Builder()
+ .name("Brokers")
+ .description("A comma-separated list of known AMQP Brokers in the
format <host>:<port> (e.g., localhost:5672). If this is " +
+ "set, Host Name and Port are ignored. Only include hosts
from the same AMQP cluster.")
+ .required(false)
+
.expressionLanguageSupported(ExpressionLanguageScope.VARIABLE_REGISTRY)
+ .addValidator(StandardValidators.HOSTNAME_PORT_LIST_VALIDATOR)
+ .build();
public static final PropertyDescriptor HOST = new
PropertyDescriptor.Builder()
.name("Host Name")
- .description("Network address of AMQP broker (e.g., localhost)")
- .required(true)
+ .description("Network address of AMQP broker (e.g., localhost). If
Brokers is set, then this property is ignored.")
+ .required(false)
.defaultValue("localhost")
.expressionLanguageSupported(ExpressionLanguageScope.VARIABLE_REGISTRY)
- .addValidator(StandardValidators.NON_EMPTY_EL_VALIDATOR)
+
.addValidator(StandardValidators.ATTRIBUTE_EXPRESSION_LANGUAGE_VALIDATOR)
Review comment:
I wanted to allow for this value to be empty, since BROKERS can now be
supplied instead of HOST. But after some testing I've noticed that by providing
a default value for HOST then it can never be empty, the default value will
override empty values. So I can revert this change.
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