Merge pull request #201 from seime/item_metadata

Add methods to access item Metadata registry
seaside1 · Jan 22, 2025 · bf09d9e · bf09d9e
2 parents afd403d + d88d201
commit bf09d9e
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diff --git a/src/main/java/org/openhab/automation/jrule/internal/handler/JRuleHandler.java b/src/main/java/org/openhab/automation/jrule/internal/handler/JRuleHandler.java
@@ -162,6 +162,7 @@ public JRuleHandler(JRuleConfig config, ItemRegistry itemRegistry, ItemChannelLi
         final JRuleItemHandler itemHandler = JRuleItemHandler.get();
         itemHandler.setItemRegistry(itemRegistry);
         itemHandler.setItemChannelLinkRegistry(itemChannelLinkRegistry);
+        itemHandler.setMetadataRegistry(metadataRegistry);
         logDebug("JRuleHandler()");
     }
 

diff --git a/src/main/java/org/openhab/automation/jrule/internal/handler/JRuleItemHandler.java b/src/main/java/org/openhab/automation/jrule/internal/handler/JRuleItemHandler.java
@@ -13,10 +13,17 @@
 package org.openhab.automation.jrule.internal.handler;
 
 import java.util.Arrays;
+import java.util.Collection;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
 
 import org.openhab.core.items.GroupItem;
 import org.openhab.core.items.Item;
 import org.openhab.core.items.ItemRegistry;
+import org.openhab.core.items.Metadata;
+import org.openhab.core.items.MetadataKey;
+import org.openhab.core.items.MetadataRegistry;
 import org.openhab.core.library.items.NumberItem;
 import org.openhab.core.library.items.StringItem;
 import org.openhab.core.library.items.SwitchItem;
@@ -42,6 +49,12 @@ private JRuleItemHandler() {
     private ItemRegistry itemRegistry;
     private ItemChannelLinkRegistry itemChannelLinkRegistry;
 
+    private MetadataRegistry metadataRegistry;
+
+    public void setMetadataRegistry(MetadataRegistry metadataRegistry) {
+        this.metadataRegistry = metadataRegistry;
+    }
+
     public void setItemRegistry(ItemRegistry itemRegistry) {
         this.itemRegistry = itemRegistry;
     }
@@ -161,4 +174,31 @@ public void linkItemWithChannel(String itemName, ChannelUID uid) {
         ItemChannelLink link = new ItemChannelLink(itemName, uid);
         itemChannelLinkRegistry.add(link);
     }
+
+    public Collection<ItemChannelLink> getChannelLinks(String itemName) {
+        return itemChannelLinkRegistry.getLinks(itemName);
+    }
+
+    public void unlinkItemFromChannel(String itemName) {
+        itemChannelLinkRegistry.removeLinksForItem(itemName);
+    }
+
+    public Collection<Item> getItemsWithMetadata(String namespace, String value) {
+        Set<Item> itemsWithMatchingMetadata = itemRegistry.getItems().stream().filter(item -> {
+            MetadataKey key = new MetadataKey(namespace, item.getName());
+            Metadata metadata = metadataRegistry.get(key);
+            return metadata != null && metadata.getValue().equals(value);
+        }).collect(Collectors.toSet());
+        return itemsWithMatchingMetadata;
+    }
+
+    public Map<String, Object> getItemMetadataConfiguration(String namespace, String value, Item item) {
+        MetadataKey key = new MetadataKey(namespace, item.getName());
+        Metadata metadata = metadataRegistry.get(key);
+        if (metadata != null && metadata.getValue().equals(value)) {
+            return metadata.getConfiguration();
+        } else {
+            return null;
+        }
+    }
 }