Map identities to proper objects

[mdsal.git] / binding / yang-binding / src / main / java / org / opendaylight / yangtools / yang / binding / CodeHelpers.java

diff --git a/binding/yang-binding/src/main/java/org/opendaylight/yangtools/yang/binding/CodeHelpers.java b/binding/yang-binding/src/main/java/org/opendaylight/yangtools/yang/binding/CodeHelpers.java
index ff57748811c94c48270d5c81aba46ed3b6c67b98..028543b2cd7cf216f7408f6935288660e512bf49 100644 (file)
--- a/binding/yang-binding/src/main/java/org/opendaylight/yangtools/yang/binding/CodeHelpers.java
+++ b/binding/yang-binding/src/main/java/org/opendaylight/yangtools/yang/binding/CodeHelpers.java
@@ -350,6 +350,25 @@ public final class CodeHelpers {
         return wrapHashCode(Arrays.hashCode(obj));
     }
 
+    /**
+     * The constant '31' is the result of folding this code:
+     * <pre>
+     *   <code>
+     *     final int prime = 31;
+     *     int result = 1;
+     *     result = result * prime + Objects.hashCode(obj);
+     *     return result;
+     *   </code>
+     * </pre>
+     * when hashCode is returned as 0, such as due to obj being null or its hashCode being 0.
+     *
+     * @param hash Wrapped object hash
+     * @return Wrapper object hash
+     */
+    private static int wrapHashCode(final int hash) {
+        return hash == 0 ? 31 : hash;
+    }
+
     /**
      * Utility method for checking whether a target object is a compatible DataObject.
      *
@@ -383,31 +402,6 @@ public final class CodeHelpers {
         }
     }
 
-    /**
-     * Utility method for checking whether a target object is compatible with a particular identity class.
-     *
-     * @param requiredClass Required class
-     * @param fieldName name of the field being filled
-     * @param obj Object to check, may be null
-     * @return Object cast to required class, if it class matches requirement, or null
-     * @throws IllegalArgumentException if {@code obj} is not an Class representing {@code requiredClass}
-     * @throws NullPointerException if {@code requiredClass} or {@code fieldName} is null
-     */
-    public static <T extends BaseIdentity> @Nullable Class<? extends T> checkFieldCastIdentity(
-            final @NonNull Class<T> requiredClass, final @NonNull String fieldName, final @Nullable Object obj) {
-        if (obj == null) {
-            return null;
-        }
-        checkArgument(obj instanceof Class, "Invalid input value \"%s\" for property \"%s\"", obj, fieldName);
-
-        try {
-            return ((Class<?>) obj).asSubclass(requiredClass);
-        } catch (ClassCastException e) {
-            throw new IllegalArgumentException("Invalid input value \"" + obj + "\" for property \"" + fieldName + "\"",
-                e);
-        }
-    }
-
     /**
      * Utility method for checking whether the items of target list is compatible.
      *
@@ -425,23 +419,6 @@ public final class CodeHelpers {
         return (List<T>) list;
     }
 
-    /**
-     * Utility method for checking whether the items of a target list are compatible with a particular identity class.
-     *
-     * @param requiredClass Required class
-     * @param fieldName name of the field being filled
-     * @param list List, which items should be checked
-     * @return Type-checked List
-     * @throws IllegalArgumentException if a list item is not a Class representing {@code requiredClass}
-     * @throws NullPointerException if {@code requiredClass} or {@code fieldName} is null
-     */
-    @SuppressWarnings("unchecked")
-    public static <T extends BaseIdentity> @Nullable List<Class<? extends T>> checkListFieldCastIdentity(
-            final @NonNull Class<T> requiredClass, final @NonNull String fieldName, final @Nullable List<?> list) {
-        checkCollectionFieldIdentity(requiredClass, fieldName, list);
-        return (List<Class<? extends T>>) list;
-    }
-
     /**
      * Utility method for checking whether the items of target set is compatible.
      *
@@ -459,23 +436,6 @@ public final class CodeHelpers {
         return (Set<T>) set;
     }
 
-    /**
-     * Utility method for checking whether the items of a target set are compatible with a particular identity class.
-     *
-     * @param requiredClass Required class
-     * @param fieldName name of the field being filled
-     * @param set Set, which items should be checked
-     * @return Type-checked Set
-     * @throws IllegalArgumentException if a set item is not a Class representing {@code requiredClass}
-     * @throws NullPointerException if {@code requiredClass} or {@code fieldName} is null
-     */
-    @SuppressWarnings("unchecked")
-    public static <T extends BaseIdentity> @Nullable Set<Class<? extends T>> checkSetFieldCastIdentity(
-            final @NonNull Class<T> requiredClass, final @NonNull String fieldName, final @Nullable Set<?> set) {
-        checkCollectionFieldIdentity(requiredClass, fieldName, set);
-        return (Set<Class<? extends T>>) set;
-    }
-
     @SuppressFBWarnings(value = "DCN_NULLPOINTER_EXCEPTION",
         justification = "Internal NPE->IAE conversion")
     private static void checkCollectionField(final @NonNull Class<?> requiredClass,
@@ -489,37 +449,4 @@ public final class CodeHelpers {
             }
         }
     }
-
-    @SuppressFBWarnings(value = "DCN_NULLPOINTER_EXCEPTION",
-        justification = "Internal NPE->IAE conversion")
-    private static void checkCollectionFieldIdentity(final @NonNull Class<?> requiredClass,
-            final @NonNull String fieldName, final @Nullable Collection<?> collection) {
-        if (collection != null) {
-            try {
-                collection.forEach(item -> ((Class<?>) item).asSubclass(requiredClass));
-            } catch (ClassCastException | NullPointerException e) {
-                throw new IllegalArgumentException("Invalid input item for property \"" + requireNonNull(fieldName)
-                    + "\"", e);
-            }
-        }
-    }
-
-    /**
-     * The constant '31' is the result of folding this code:
-     * <pre>
-     *   <code>
-     *     final int prime = 31;
-     *     int result = 1;
-     *     result = result * prime + Objects.hashCode(obj);
-     *     return result;
-     *   </code>
-     * </pre>
-     * when hashCode is returned as 0, such as due to obj being null or its hashCode being 0.
-     *
-     * @param hash Wrapped object hash
-     * @return Wrapper object hash
-     */
-    private static int wrapHashCode(final int hash) {
-        return hash == 0 ? 31 : hash;
-    }
 }