CORE-10453: Replace RemoteAliasLookUp with InteropIdentityLookup (#1136)

An alternative more simplistic implementation of the InterOp equivalent of the MemberLookup.

What's noteworthy about this new API is that the Application name is the sole identifier an the flow level.

application/src/main/java/net/corda/v5/application/interop/InteropIdentityLookUp.java

@@ -0,0 +1,37 @@
+package net.corda.v5.application.interop;
+
+import net.corda.v5.application.interop.facade.FacadeId;
+import net.corda.v5.application.membership.MemberLookup;
+import net.corda.v5.base.annotations.DoNotImplement;
+import net.corda.v5.base.annotations.Suspendable;
+import net.corda.v5.interop.InterOpIdentityInfo;
+import net.corda.v5.membership.MemberInfo;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+
+/**
+ * {@link InteropIdentityLookUp} allows flows to retrieve the {@link InterOpIdentityInfo} for any registered InterOp Alias Identity, including it's own Alias Identity.
+ * <p>
+ * The platform will provide an instance of {@link InteropIdentityLookUp} to flows via property injection.
+ */
+@DoNotImplement
+public interface InteropIdentityLookUp {
+
+    /**
+     * @param applicationName {@link String} The application name for InterOp Identity which is set during InterOp Alias Identity Registration.
+     * @return The {@link InterOpIdentityInfo} representing the alias member info for given alias x500name and host network.
+     */
+    @Suspendable
+    @Nullable
+    InterOpIdentityInfo lookup(String applicationName);
+
+    /**
+     * @param facadeId The facadeId of the facade.
+     * @return The {@link List<InterOpIdentityInfo>}  for any registered InterOp Alias Identity that implement the given FacadeId.
+     */
+    @Suspendable
+    @NotNull
+    List<InterOpIdentityInfo> lookup(FacadeId facadeId);
+}

gradle.properties

@@ -13,7 +13,7 @@ cordaProductVersion = 5.1.0-INTEROP
 ## IMPORTANT:
 ## The interop feature branches track api revisions separately to the mainline branch.
 ## API version of last merge from corda mainline: 2
-cordaApiRevision = 6
+cordaApiRevision = 8
 
 # Main
 kotlinVersion = 1.8.21

interop/src/main/java/net/corda/v5/interop/InterOpIdentityInfo.java

@@ -0,0 +1,32 @@
+package net.corda.v5.interop;
+
+import net.corda.v5.base.annotations.CordaSerializable;
+import org.jetbrains.annotations.NotNull;
+import java.util.List;
+
+/**
+ * This interface represents the InterOp Identity Info that have been registered with the User.
+ * <p> InterOpIdentityInfo details like Application Name, implemented facadeIds and X500 name.
+ *
+ *
+ */
+@CordaSerializable
+public interface InterOpIdentityInfo {
+    /**
+     * @return The {@link String} identifier for the InterOp Identity. This is the Common Name (CN) from the X500 and is set during Interop Registration.
+     */
+    @NotNull
+    String applicationName();
+
+    /**
+     * @return The {@link String} of the Identity's X500.
+     */
+    @NotNull
+    String getX500Name();
+
+    /**
+     * @return The {@link List<String>} representing the list of facade ids.
+     */
+    @NotNull
+    List<String> getFacadeIds();
+}