Examples with AGENT org.openremote.model.asset.AssetType.AGENT used on opensource projects

Example 1 with AGENT

use of org.openremote.model.asset.AssetType.AGENT in project openremote by openremote.

the class AgentService method processAssetChange.

/**
 * Looks for new, modified and obsolete AGENT_LINK attributes and links / unlinks them
 * with the protocol
 */
protected void processAssetChange(Asset asset, PersistenceEvent persistenceEvent) {
    LOG.finest("Processing asset persistence event: " + persistenceEvent.getCause());
    switch(persistenceEvent.getCause()) {
        case INSERT:
            // Asset insert persistence events can be fired before the agent insert persistence event
            // so need to check that all protocol configs exist - any that don't we will exclude here
            // and handle in agent insert
            // If an agent insert just occurred then we will end up trying to link the attribute again
            // so we keep track of linked attributes to avoid this
            // Link any AGENT_LINK attributes to their referenced protocol
            Map<AssetAttribute, List<AssetAttribute>> groupedAgentLinksAttributes = getGroupedAgentLinkAttributes(asset.getAttributesStream(), attribute -> true, attribute -> LOG.warning("Linked protocol configuration not found: " + attribute));
            groupedAgentLinksAttributes.forEach(this::linkAttributes);
            break;
        case UPDATE:
            List<String> propertyNames = Arrays.asList(persistenceEvent.getPropertyNames());
            // Check if attributes of the asset have been modified
            int attributesIndex = propertyNames.indexOf("attributes");
            if (attributesIndex < 0) {
                return;
            }
            // Attributes have possibly changed so need to compare old and new state to determine any changes to
            // AGENT_LINK attributes
            List<AssetAttribute> oldAgentLinkedAttributes = attributesFromJson((ObjectValue) persistenceEvent.getPreviousState()[attributesIndex], asset.getId()).filter(AgentLink::hasAgentLink).collect(Collectors.toList());
            List<AssetAttribute> newAgentLinkedAttributes = attributesFromJson((ObjectValue) persistenceEvent.getCurrentState()[attributesIndex], asset.getId()).filter(AgentLink::hasAgentLink).collect(Collectors.toList());
            // Unlink thing attributes that are in old but not in new
            getGroupedAgentLinkAttributes(getAddedOrModifiedAttributes(newAgentLinkedAttributes, oldAgentLinkedAttributes, key -> key.equals(VALUE_TIMESTAMP_FIELD_NAME)), attribute -> true).forEach(this::unlinkAttributes);
            // Link thing attributes that are in new but not in old
            getGroupedAgentLinkAttributes(getAddedOrModifiedAttributes(oldAgentLinkedAttributes, newAgentLinkedAttributes, key -> key.equals(VALUE_TIMESTAMP_FIELD_NAME)), attribute -> true, attribute -> LOG.warning("Linked protocol configuration not found: " + attribute)).forEach(this::linkAttributes);
            break;
        case DELETE:
            {
                // Unlink any AGENT_LINK attributes from the referenced protocol
                Map<AssetAttribute, List<AssetAttribute>> groupedAgentLinkAndProtocolAttributes = getGroupedAgentLinkAttributes(asset.getAttributesStream(), attribute -> true);
                groupedAgentLinkAndProtocolAttributes.forEach(this::unlinkAttributes);
                break;
            }
    }
}

Example 2 with AGENT

use of org.openremote.model.asset.AssetType.AGENT in project openremote by openremote.

the class AgentService method processAgentChange.

/**
 * Looks for new, modified and obsolete protocol configurations and links / unlinks any associated attributes
 */
protected void processAgentChange(Asset agent, PersistenceEvent persistenceEvent) {
    LOG.finest("Processing agent persistence event: " + persistenceEvent.getCause());
    switch(persistenceEvent.getCause()) {
        case INSERT:
            addReplaceAgent(agent);
            linkProtocolConfigurations(agent.getAttributesStream().filter(ProtocolConfiguration::isProtocolConfiguration));
            break;
        case UPDATE:
            addReplaceAgent(agent);
            // Check if any protocol config attributes have been added/removed or modified
            int attributesIndex = Arrays.asList(persistenceEvent.getPropertyNames()).indexOf("attributes");
            if (attributesIndex < 0) {
                return;
            }
            // Attributes have possibly changed so need to compare old and new state to determine
            // which protocol configs are affected
            List<AssetAttribute> oldProtocolConfigurations = attributesFromJson((ObjectValue) persistenceEvent.getPreviousState()[attributesIndex], agent.getId()).filter(ProtocolConfiguration::isProtocolConfiguration).collect(Collectors.toList());
            List<AssetAttribute> newProtocolConfigurations = attributesFromJson((ObjectValue) persistenceEvent.getCurrentState()[attributesIndex], agent.getId()).filter(ProtocolConfiguration::isProtocolConfiguration).collect(Collectors.toList());
            // Compare protocol configurations by JSON value
            // Unlink protocols that are in oldConfigs but not in newConfigs
            unlinkProtocolConfigurations(oldProtocolConfigurations.stream().filter(oldProtocolAttribute -> newProtocolConfigurations.stream().noneMatch(oldProtocolAttribute::equals)));
            // Link protocols that are in newConfigs but not in oldConfigs
            linkProtocolConfigurations(newProtocolConfigurations.stream().filter(newProtocolAttribute -> oldProtocolConfigurations.stream().noneMatch(newProtocolAttribute::equals)));
            break;
        case DELETE:
            removeAgent(agent);
            // Unlink any attributes that have an agent link to this agent
            unlinkProtocolConfigurations(agent.getAttributesStream().filter(ProtocolConfiguration::isProtocolConfiguration));
            break;
    }
}