Switch to CancelWorkflowRunInput

Author: Quinn-With-Two-Ns

temporal-sdk/src/main/java/io/temporal/nexus/CancelWorkflowRunInput.java

@@ -0,0 +1,23 @@
+package io.temporal.nexus;
+
+import io.temporal.common.Experimental;
+import java.util.Objects;
+
+/**
+ * Input to {@link TemporalOperationHandler#cancelWorkflowRun} describing the workflow run to
+ * cancel.
+ */
+@Experimental
+public final class CancelWorkflowRunInput {
+
+  private final String workflowId;
+
+  public CancelWorkflowRunInput(String workflowId) {
+    this.workflowId = Objects.requireNonNull(workflowId);
+  }
+
+  /** Returns the workflow ID extracted from the operation token. */
+  public String getWorkflowId() {
+    return workflowId;
+  }
+}