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[mqtt.homeassistant] support availability_templates (#13397)

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Signed-off-by: Cody Cutrer <cody@cutrer.us>
This commit is contained in:
Cody Cutrer
2022-09-19 15:00:01 -06:00
committed by GitHub
parent b6ddb6bb0a
commit 8656ba501a
7 changed files with 61 additions and 9 deletions
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3
bundles/org.openhab.binding.mqtt.generic/src/main/java/org/openhab/binding/mqtt/generic/AbstractMQTTThingHandler.java
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@@ -291,12 +291,13 @@ public abstract class AbstractMQTTThingHandler extends BaseThingHandler
addAvailabilityTopic(availability_topic, payload_available, payload_not_available, null, null);
}
@Override
public void addAvailabilityTopic(String availability_topic, String payload_available, String payload_not_available,
@Nullable String transformation_pattern,
@Nullable TransformationServiceProvider transformationServiceProvider) {
availabilityStates.computeIfAbsent(availability_topic, topic -> {
Value value = new OnOffValue(payload_available, payload_not_available);
ChannelGroupUID groupUID = new ChannelGroupUID(getThing().getUID(), "availablility");
ChannelGroupUID groupUID = new ChannelGroupUID(getThing().getUID(), "availability");
ChannelUID channelUID = new ChannelUID(groupUID, UIDUtils.encode(topic));
ChannelState state = new ChannelState(ChannelConfigBuilder.create().withStateTopic(topic).build(),
channelUID, value, new ChannelStateUpdateListener() {

18
bundles/org.openhab.binding.mqtt.generic/src/main/java/org/openhab/binding/mqtt/generic/AvailabilityTracker.java
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@@ -13,6 +13,7 @@
package org.openhab.binding.mqtt.generic;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
/**
* Interface to keep track of the availability of device using an availability topic or messages received
@@ -33,6 +34,23 @@ public interface AvailabilityTracker {
*/
public void addAvailabilityTopic(String availability_topic, String payload_available, String payload_not_available);
/**
* Adds an availability topic to determine the availability of a device.
* <p>
* Availability topics are usually set by the device as LWT.
*
* @param availability_topic The MQTT topic where availability is published to.
* @param payload_available The value for the topic to indicate the device is online.
* @param payload_not_available The value for the topic to indicate the device is offline.
* @param transformation_pattern A transformation pattern to process the value before comparing to
* payload_available/payload_not_available.
* @param transformationServiceProvider The service provider to obtain the transformation service (required only if
* transformation_pattern is not null).
*/
public void addAvailabilityTopic(String availability_topic, String payload_available, String payload_not_available,
@Nullable String transformation_pattern,
@Nullable TransformationServiceProvider transformationServiceProvider);
public void removeAvailabilityTopic(String availability_topic);
public void clearAllAvailabilityTopics();