Implement pair deserialization for eclipse-collections (#37)

Author: yawkat

eclipse-collections/gen.py

@@ -82,3 +82,15 @@
     for v in value_types:
         print("        INSTANCES.put("+k+v+"Map.class, "+k.upper()+"_"+v.upper()+");")
 print("    }")
+
+
+print()
+print()
+print("PairInstantiators:")
+for one in value_types:
+    print("    //region "+one+" -> Primitive")
+    for two in value_types:
+        print("""purePrimitiveInstantiator(OneTTwoTPair.class, oneT.class, twoT.class,
+                                  (one, two) -> PrimitiveTuples.pair((oneT) one, (twoT) two));"""
+              .replace("OneT", one).replace("TwoT", two).replace("oneT", one.lower()).replace("twoT", two.lower()))
+    print("    //endregion")

eclipse-collections/src/main/java/com/fasterxml/jackson/datatype/eclipsecollections/EclipseCollectionsModule.java

@@ -2,6 +2,8 @@
 
 import com.fasterxml.jackson.core.Version;
 import com.fasterxml.jackson.databind.Module;
+import com.fasterxml.jackson.databind.deser.ValueInstantiators;
+import com.fasterxml.jackson.datatype.eclipsecollections.deser.pair.PairInstantiators;
 
 /**
  * Basic Jackson {@link Module} that adds support for eclipse-collections types.
@@ -27,6 +29,8 @@ public Version version() {
     public void setupModule(SetupContext context) {
         context.addDeserializers(new EclipseCollectionsDeserializers());
         context.addSerializers(new EclipseCollectionsSerializers());
+
+        context.addValueInstantiators(new PairInstantiators());
     }
 
     @Override