SimplificationUtils: add isIdentity method

hinerm · hinerm · commit 6230d45ceb82 · 2024-03-06T08:45:42.000-06:00
Simple helper method to check if a RichOp is an identity op
diff --git a/scijava-ops-engine/src/main/java/org/scijava/ops/engine/matcher/simplify/SimplificationUtils.java b/scijava-ops-engine/src/main/java/org/scijava/ops/engine/matcher/simplify/SimplificationUtils.java
@@ -255,6 +255,17 @@ public static SimplifiedOpInfo simplifyInfo(OpEnvironment env, OpInfo info) {
 			.computer());
 	}
 
+	/**
+	 * Helper method to check if an op is an "identity" op - i.e. a naive wrapper
+	 * that does no modification to its base op.
+	 *
+	 * @param op {@link RichOp} to check
+	 * @return {@code true} iff the op is an identity op
+	 */
+	public static boolean isIdentity(RichOp<?> op) {
+		return Ops.info(op).names().contains("engine.identity");
+	}
+
 	private static Nil<?> outType(Type originalOutput,
 		RichOp<Function<?, ?>> outputSimplifier)
 	{
