Introduce model.util.type package

[yangtools.git] / yang / yang-model-util / src / main / java / org / opendaylight / yangtools / yang / model / util / type / LengthRestrictedTypeBuilder.java

diff --git a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/type/LengthRestrictedTypeBuilder.java b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/type/LengthRestrictedTypeBuilder.java
new file mode 100644 (file)
index 0000000..57cccbf
--- /dev/null
+++ b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/type/LengthRestrictedTypeBuilder.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2015 Pantheon Technologies s.r.o. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.model.util.type;
+
+import com.google.common.base.Preconditions;
+import java.util.Collection;
+import java.util.List;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
+import org.opendaylight.yangtools.yang.model.api.type.LengthConstraint;
+
+public abstract class LengthRestrictedTypeBuilder<T extends TypeDefinition<T>> extends AbstractRestrictedTypeBuilder<T> {
+    private Collection<LengthConstraint> lengthAlternatives;
+
+    LengthRestrictedTypeBuilder(final T baseType, final SchemaPath path) {
+        super(Preconditions.checkNotNull(baseType), path);
+    }
+
+    public final void setLengthAlternatives(@Nonnull final Collection<LengthConstraint> lengthAlternatives) {
+        Preconditions.checkState(this.lengthAlternatives == null, "Range alternatives already defined as %s",
+                lengthAlternatives);
+        this.lengthAlternatives = Preconditions.checkNotNull(lengthAlternatives);
+        touch();
+    }
+
+    final List<LengthConstraint> calculateLenghtConstraints(final List<LengthConstraint> baseLengthConstraints) {
+        if (lengthAlternatives == null || lengthAlternatives.isEmpty()) {
+            return baseLengthConstraints;
+        }
+
+        // FIXME: calculate lengths
+        throw new UnsupportedOperationException();
+    }
+}