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| <h2 title="Interface IotGateway" class="title">Interface IotGateway</h2> |
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| <dt>All Superinterfaces:</dt> |
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| <dd><a href="../../../../../org/apache/edgent/connectors/iotp/IotpGateway.html" title="class in org.apache.edgent.connectors.iotp">IotpGateway</a></dd> |
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| <pre>public interface <span class="typeNameLabel">IotGateway</span> |
| extends <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html" title="interface in org.apache.edgent.connectors.iot">IotDevice</a></pre> |
| <div class="block">A generic IoT gateway device IoT hub connector. |
| <p> |
| <b>This interface is incubating and is subject to change.</b> |
| <p> |
| An IoT gateway device is a conduit for a collection of IoT devices |
| that lack direct connection to the enterprise IoT hub. |
| <p> |
| An IoT gateway device is an IoT device. Events can be published |
| that are from the gateway's deviceId and commands can be received that are targeted for it |
| using the gateway's <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#events-org.apache.edgent.topology.TStream-java.lang.String-int-"><code>events()</code></a> |
| and <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#commands-java.lang.String...-"><code>commands()</code></a>. |
| <p> |
| Use <a href="../../../../../org/apache/edgent/connectors/iot/IotGateway.html#getIotDevice-java.util.Map-"><code>getIotDevice(Map)</code></a> to get an <code>IotDevice</code> for a gateway connected device |
| or <a href="../../../../../org/apache/edgent/connectors/iot/IotGateway.html#getIotDeviceId-java.util.Map-"><code>getIotDeviceId(Map)</code></a> to get a deviceId for it. |
| The name/value pairs in the map are IotGateway implementation defined values. |
| Refer to the IotGateway implementation for details. |
| <p> |
| Events can be published that are from a connected device's deviceId and commands can be |
| received for that are targeted for it using |
| <a href="../../../../../org/apache/edgent/connectors/iot/IotGateway.html#eventsForDevice-java.lang.String-org.apache.edgent.topology.TStream-java.lang.String-int-"><code>eventsForDevice()</code></a> |
| and <a href="../../../../../org/apache/edgent/connectors/iot/IotGateway.html#commandsForDevice-java.util.Set-java.lang.String...-"><code>commandsForDevice()</code></a>.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/edgent/connectors/iot/package-summary.html">Edgent generic IoT device model</a>, |
| <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html" title="interface in org.apache.edgent.connectors.iot"><code>IotDevice</code></a></dd> |
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| <code><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_DEVICE">CMD_DEVICE</a>, <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_FORMAT">CMD_FORMAT</a>, <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_ID">CMD_ID</a>, <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_PAYLOAD">CMD_PAYLOAD</a>, <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_TS">CMD_TS</a>, <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#RESERVED_ID_PREFIX">RESERVED_ID_PREFIX</a></code></li> |
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| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><com.google.gson.JsonObject></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/iot/IotGateway.html#commandsForDevice-java.util.Set-java.lang.String...-">commandsForDevice</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> deviceIds, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... commands)</code> |
| <div class="block">Create a stream of device commands as JSON objects.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><com.google.gson.JsonObject></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/iot/IotGateway.html#commandsForDevice-java.lang.String-java.lang.String...-">commandsForDevice</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> deviceId, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... commands)</code> |
| <div class="block">Create a stream of device commands as JSON objects.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><com.google.gson.JsonObject></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/iot/IotGateway.html#commandsForType-java.lang.String-java.lang.String...-">commandsForType</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> deviceTypeId, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... commands)</code> |
| <div class="block">Create a stream of device commands as JSON objects.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology">TSink</a><com.google.gson.JsonObject></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/iot/IotGateway.html#eventsForDevice-org.apache.edgent.function.Function-org.apache.edgent.topology.TStream-org.apache.edgent.function.Function-org.apache.edgent.function.UnaryOperator-org.apache.edgent.function.Function-">eventsForDevice</a></span>(<a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><com.google.gson.JsonObject,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> deviceId, |
| <a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><com.google.gson.JsonObject> stream, |
| <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><com.google.gson.JsonObject,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> eventId, |
| <a href="../../../../../org/apache/edgent/function/UnaryOperator.html" title="interface in org.apache.edgent.function">UnaryOperator</a><com.google.gson.JsonObject> payload, |
| <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><com.google.gson.JsonObject,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> qos)</code> |
| <div class="block">Publish a stream's tuples as device events.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology">TSink</a><com.google.gson.JsonObject></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/iot/IotGateway.html#eventsForDevice-java.lang.String-org.apache.edgent.topology.TStream-java.lang.String-int-">eventsForDevice</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> deviceId, |
| <a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><com.google.gson.JsonObject> stream, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> eventId, |
| int qos)</code> |
| <div class="block">Publish a stream's tuples as device events.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html" title="interface in org.apache.edgent.connectors.iot">IotDevice</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/iot/IotGateway.html#getIotDevice-java.util.Map-">getIotDevice</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> deviceIdAttrs)</code> |
| <div class="block">Get an <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html" title="interface in org.apache.edgent.connectors.iot"><code>IotDevice</code></a> for a connected device.</div> |
| </td> |
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| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html" title="interface in org.apache.edgent.connectors.iot">IotDevice</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/iot/IotGateway.html#getIotDevice-java.lang.String-">getIotDevice</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> deviceId)</code> |
| <div class="block">Get an <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html" title="interface in org.apache.edgent.connectors.iot"><code>IotDevice</code></a> for a connected device.</div> |
| </td> |
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| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/iot/IotGateway.html#getIotDeviceId-java.util.Map-">getIotDeviceId</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> deviceIdAttrs)</code> |
| <div class="block">Get a <code>deviceId</code> for a device.</div> |
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| <h3>Methods inherited from interface org.apache.edgent.connectors.iot.<a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html" title="interface in org.apache.edgent.connectors.iot">IotDevice</a></h3> |
| <code><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#commands-java.lang.String...-">commands</a>, <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#events-org.apache.edgent.topology.TStream-org.apache.edgent.function.Function-org.apache.edgent.function.UnaryOperator-org.apache.edgent.function.Function-">events</a>, <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#events-org.apache.edgent.topology.TStream-java.lang.String-int-">events</a>, <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#getDeviceId--">getDeviceId</a>, <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#getDeviceType--">getDeviceType</a></code></li> |
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| <code><a href="../../../../../org/apache/edgent/topology/TopologyElement.html#topology--">topology</a></code></li> |
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| <h4>getIotDevice</h4> |
| <pre><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html" title="interface in org.apache.edgent.connectors.iot">IotDevice</a> getIotDevice(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> deviceIdAttrs)</pre> |
| <div class="block">Get an <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html" title="interface in org.apache.edgent.connectors.iot"><code>IotDevice</code></a> for a connected device. |
| No external validation of the attribute values is performed.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>deviceIdAttrs</code> - IotGateway implementation specific attributes |
| that identify a device.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>IotDevice</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getIotDeviceId-java.util.Map-"> |
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| <h4>getIotDeviceId</h4> |
| <pre><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getIotDeviceId(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> deviceIdAttrs)</pre> |
| <div class="block">Get a <code>deviceId</code> for a device. |
| Logically equivalent to <code>getIotDevice(deviceIdAttrs).getDeviceId()</code>. |
| No external validation of the attribute values is performed.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>deviceIdAttrs</code> - IotGateway implementation specific attributes |
| that identify a device.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>deviceId</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getIotDevice</h4> |
| <pre><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html" title="interface in org.apache.edgent.connectors.iot">IotDevice</a> getIotDevice(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> deviceId)</pre> |
| <div class="block">Get an <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html" title="interface in org.apache.edgent.connectors.iot"><code>IotDevice</code></a> for a connected device.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>deviceId</code> - a value from <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#getDeviceId--"><code>IotDevice.getDeviceId()</code></a>.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>IotDevice</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="eventsForDevice-org.apache.edgent.function.Function-org.apache.edgent.topology.TStream-org.apache.edgent.function.Function-org.apache.edgent.function.UnaryOperator-org.apache.edgent.function.Function-"> |
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| <h4>eventsForDevice</h4> |
| <pre><a href="../../../../../org/apache/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology">TSink</a><com.google.gson.JsonObject> eventsForDevice(<a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><com.google.gson.JsonObject,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> deviceId, |
| <a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><com.google.gson.JsonObject> stream, |
| <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><com.google.gson.JsonObject,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> eventId, |
| <a href="../../../../../org/apache/edgent/function/UnaryOperator.html" title="interface in org.apache.edgent.function">UnaryOperator</a><com.google.gson.JsonObject> payload, |
| <a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><com.google.gson.JsonObject,<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> qos)</pre> |
| <div class="block">Publish a stream's tuples as device events. |
| Each tuple is published as a device event with the supplied functions |
| providing the device identifier, event identifier, payload and QoS. |
| The values can be generated based upon the tuple. |
| <p> |
| Events for a particular device can also be published via its |
| <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#events-org.apache.edgent.topology.TStream-org.apache.edgent.function.Function-org.apache.edgent.function.UnaryOperator-org.apache.edgent.function.Function-"><code>IotDevice.events()</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>deviceId</code> - function to supply the device-id that the event is associated with.</dd> |
| <dd><code>stream</code> - Stream to be published.</dd> |
| <dd><code>eventId</code> - function to supply the event identifier.</dd> |
| <dd><code>payload</code> - function to supply the event's payload.</dd> |
| <dd><code>qos</code> - function to supply the event's delivery Quality of Service.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>TSink sink element representing termination of this stream.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="eventsForDevice-java.lang.String-org.apache.edgent.topology.TStream-java.lang.String-int-"> |
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| <ul class="blockList"> |
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| <h4>eventsForDevice</h4> |
| <pre><a href="../../../../../org/apache/edgent/topology/TSink.html" title="interface in org.apache.edgent.topology">TSink</a><com.google.gson.JsonObject> eventsForDevice(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> deviceId, |
| <a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><com.google.gson.JsonObject> stream, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> eventId, |
| int qos)</pre> |
| <div class="block">Publish a stream's tuples as device events. |
| Each tuple is published as a device event with the supplied |
| device identifier, event identifier and QoS. |
| <p> |
| Events for a particular device can also be published via its |
| <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#events-org.apache.edgent.topology.TStream-java.lang.String-int-"><code>IotDevice.event()</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>deviceId</code> - Device-id that the event is associated with.</dd> |
| <dd><code>stream</code> - Stream to be published.</dd> |
| <dd><code>eventId</code> - Event identifier.</dd> |
| <dd><code>qos</code> - Event's delivery Quality of Service.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>TSink sink element representing termination of this stream.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="commandsForDevice-java.util.Set-java.lang.String...-"> |
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| </a> |
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| <h4>commandsForDevice</h4> |
| <pre><a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><com.google.gson.JsonObject> commandsForDevice(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> deviceIds, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... commands)</pre> |
| <div class="block">Create a stream of device commands as JSON objects. |
| Each command sent to one of the specified <code>deviceIds</code> matching <code>commands</code> will |
| result in a tuple on the stream. The JSON object has these keys: |
| <UL> |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_DEVICE"><code>device</code></a> - Command's opaque target device's id String. |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_ID"><code>command</code></a> - Command identifier as a String</LI> |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_TS"><code>tsms</code></a> - Timestamp of the command in milliseconds since the 1970/1/1 epoch.</LI> |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_FORMAT"><code>format</code></a> - Format of the command as a String</LI> |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_PAYLOAD"><code>payload</code></a> - Payload of the command |
| <UL> |
| <LI>If <code>format</code> is <code>json</code> then <code>payload</code> is JSON</LI> |
| <LI>Otherwise <code>payload</code> is String</LI> |
| </UL> |
| </LI> |
| </UL> |
| |
| Logically equivalent to a union of a collection of individual IotDevice specific |
| command streams but enables an IotGateway implementation to implement it more efficiently.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>deviceIds</code> - Filter to include commands for the specified deviceIds |
| If the set is empty no filtering occurs. The commands for any device are included.</dd> |
| <dd><code>commands</code> - Command identifiers to include. If no command identifiers are provided then the |
| stream will contain all device commands for the specified devices.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Stream containing device commands.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="commandsForDevice-java.lang.String-java.lang.String...-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>commandsForDevice</h4> |
| <pre><a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><com.google.gson.JsonObject> commandsForDevice(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> deviceId, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... commands)</pre> |
| <div class="block">Create a stream of device commands as JSON objects. |
| Each command sent to the specified <code>deviceId</code> matching <code>commands</code> will |
| result in a tuple on the stream. The JSON object has these keys: |
| <UL> |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_DEVICE"><code>device</code></a> - Command's target device's opaque id String. |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_ID"><code>command</code></a> - Command identifier as a String</LI> |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_TS"><code>tsms</code></a> - Timestamp of the command in milliseconds since the 1970/1/1 epoch.</LI> |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_FORMAT"><code>format</code></a> - Format of the command as a String</LI> |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_PAYLOAD"><code>payload</code></a> - Payload of the command |
| <UL> |
| <LI>If <code>format</code> is <code>json</code> then <code>payload</code> is JSON</LI> |
| <LI>Otherwise <code>payload</code> is String</LI> |
| </UL> |
| </LI> |
| </UL> |
| <P> |
| Equivalent to <code>commandsForDevice(Collections.singleton(deviceId)), ...</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>deviceId</code> - Filter to include commands for the specified deviceId</dd> |
| <dd><code>commands</code> - Command identifiers to include. If no command identifiers are provided then the |
| stream will contain all device commands for the specified device.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Stream containing device commands.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="commandsForType-java.lang.String-java.lang.String...-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>commandsForType</h4> |
| <pre><a href="../../../../../org/apache/edgent/topology/TStream.html" title="interface in org.apache.edgent.topology">TStream</a><com.google.gson.JsonObject> commandsForType(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> deviceTypeId, |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... commands)</pre> |
| <div class="block">Create a stream of device commands as JSON objects. |
| Each command sent to connected devices of type <code>deviceTypeId</code> matching <code>commands</code> |
| will result in a tuple on the stream. The JSON object has these keys: |
| <UL> |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_DEVICE"><code>device</code></a> - Command's target device's opaque id String. |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_ID"><code>command</code></a> - Command identifier as a String</LI> |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_TS"><code>tsms</code></a> - Timestamp of the command in milliseconds since the 1970/1/1 epoch.</LI> |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_FORMAT"><code>format</code></a> - Format of the command as a String</LI> |
| <LI><a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#CMD_PAYLOAD"><code>payload</code></a> - Payload of the command |
| <UL> |
| <LI>If <code>format</code> is <code>json</code> then <code>payload</code> is JSON</LI> |
| <LI>Otherwise <code>payload</code> is String</LI> |
| </UL> |
| </LI> |
| </UL> |
| <P> |
| An IoT connector implementation may throw |
| <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang"><code>UnsupportedOperationException</code></a> |
| if it does not support this capability. See the implementation's documentation.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>deviceTypeId</code> - Only return commands for connected devices with the specified |
| device type id value (a value from <a href="../../../../../org/apache/edgent/connectors/iot/IotDevice.html#getDeviceType--"><code>IotDevice.getDeviceType()</code></a>).</dd> |
| <dd><code>commands</code> - Command identifiers to include. If no command identifiers are provided then the |
| stream will contain all device commands for devices with the specified device type id.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Stream containing device commands.</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| </div> |
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