X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.util%2Fsrc%2Forg%2Fargeo%2Futil%2Fregister%2FComponentRegister.java;h=d78b6badbeb2dea14b6ea9103dc1760b71a0ea50;hb=7b242851c0094d13cbaca5b68261ad92c873a59f;hp=d5f9ea4211d67c774cddfa25a9d3b3a7639323fe;hpb=dbb84b4ec2d313ec0724d035c32f482ac57974c5;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.util/src/org/argeo/util/register/ComponentRegister.java b/org.argeo.util/src/org/argeo/util/register/ComponentRegister.java
index d5f9ea421..d78b6badb 100644
--- a/org.argeo.util/src/org/argeo/util/register/ComponentRegister.java
+++ b/org.argeo.util/src/org/argeo/util/register/ComponentRegister.java
@@ -10,6 +10,20 @@ public interface ComponentRegister {
 
 	<T> SortedSet<Component<? extends T>> find(Class<T> clss, Predicate<Map<String, Object>> filter);
 
+	default <T> Component.PublishedType<T> getSingleton(Class<T> type) {
+		SortedSet<Component<? extends T>> found = find(type, null);
+		if (found.size() == 0)
+			throw new IllegalStateException("No component found for " + type);
+		return found.first().getType(type);
+	}
+
+	default <T> T getObject(Class<T> clss) {
+		SortedSet<Component<? extends T>> found = find(clss, null);
+		if (found.size() == 0)
+			return null;
+		return found.first().get();
+	}
+
 	Component<?> get(Object instance);
 
 //	default <T> PublishedType<T> getType(Class<T> clss) {