Rewritten PackageFragmentDescriptor to Kotlin.

compiler/builtins-serializer/src/ClassSerializationUtil.kt

@@ -52,7 +52,7 @@ public object ClassSerializationUtil {
     public fun getClassId(classDescriptor: ClassDescriptor): ClassId {
         val owner = classDescriptor.getContainingDeclaration()
         if (owner is PackageFragmentDescriptor) {
-            return ClassId(owner.getFqName(), FqNameUnsafe.topLevel(classDescriptor.getName()))
+            return ClassId(owner.fqName, FqNameUnsafe.topLevel(classDescriptor.getName()))
         }
         return getClassId(owner as ClassDescriptor).createNestedClassId(classDescriptor.getName())
     }

compiler/cli/src/org/jetbrains/jet/cli/jvm/compiler/CliSourcesMemberFilter.kt

@@ -30,7 +30,7 @@ public class CliSourcesMemberFilter(environment: JetCoreEnvironment): MemberFilt
     override fun acceptPackagePartClass(container: PackageFragmentDescriptor, member: ProtoBuf.Callable, nameResolver: NameResolver): Boolean {
         if (member.hasExtension(JavaProtoBuf.implClassName)) {
             val shortName = nameResolver.getName(member.getExtension(JavaProtoBuf.implClassName)!!)
-            val fqName = container.getFqName().child(shortName)
+            val fqName = container.fqName.child(shortName)
             val internalName = JvmClassName.byFqNameWithoutInnerClasses(fqName).getInternalName()
             return internalName !in packagePartClassNames
         }

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/resolver/LazyResolveBasedCache.kt

@@ -58,7 +58,7 @@ public class LazyResolveBasedCache() : JavaResolverCache {
         return resolveSession.findInPackageFragments(fqName) { packageFragmentDescriptor ->
             ResolveSessionUtils.findByQualifiedName(
                     packageFragmentDescriptor.getMemberScope(),
-                    fqName.tail(packageFragmentDescriptor.getFqName()))
+                    fqName.tail(packageFragmentDescriptor.fqName))
         }
     }
 

core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaMemberScope.kt

@@ -77,7 +77,7 @@ public abstract class LazyJavaMemberScope(
                       }.toList())
 
         if (_containingDeclaration is JavaPackageFragmentDescriptor) {
-            val klass = c.javaClassResolver.resolveClassByFqName(_containingDeclaration.getFqName().child(name))
+            val klass = c.javaClassResolver.resolveClassByFqName(_containingDeclaration.fqName.child(name))
             if (klass is LazyJavaClassDescriptor && klass.getFunctionTypeForSamInterface() != null) {
                 functions.add(SingleAbstractMethodUtils.createSamConstructorFunction(_containingDeclaration, klass))
             }

core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaPackageFragment.kt

@@ -54,5 +54,5 @@ abstract class LazyJavaPackageFragment(
     private val _memberScope = createMemberScope()
     override fun getMemberScope(): LazyJavaPackageFragmentScope = _memberScope
 
-    override fun toString() = "lazy java package fragment: " + getFqName()
+    override fun toString() = "lazy java package fragment: " + fqName
 }

core/descriptors/src/org/jetbrains/jet/lang/descriptors/PackageFragmentDescriptor.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2013 JetBrains s.r.o.
+ * Copyright 2010-2014 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,21 +14,16 @@
  * limitations under the License.
  */
 
-package org.jetbrains.jet.lang.descriptors;
+package org.jetbrains.jet.lang.descriptors
 
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jet.lang.resolve.name.FqName;
-import org.jetbrains.jet.lang.resolve.scopes.JetScope;
+import org.jetbrains.jet.lang.resolve.name.FqName
+import org.jetbrains.jet.lang.resolve.scopes.JetScope
 
-public interface PackageFragmentDescriptor extends ClassOrPackageFragmentDescriptor {
+public trait PackageFragmentDescriptor : ClassOrPackageFragmentDescriptor {
 
-    @NotNull
-    @Override
-    ModuleDescriptor getContainingDeclaration();
+    override fun getContainingDeclaration(): ModuleDescriptor
 
-    @NotNull
-    FqName getFqName();
+    val fqName: FqName
 
-    @NotNull
-    JetScope getMemberScope();
+    fun getMemberScope(): JetScope
 }

core/descriptors/src/org/jetbrains/jet/lang/descriptors/PackageFragmentDescriptorImpl.kt

@@ -23,8 +23,8 @@ import org.jetbrains.jet.lang.types.TypeSubstitutor
 
 public abstract class PackageFragmentDescriptorImpl(
         module: ModuleDescriptor,
-        val _fqName: FqName
-) : DeclarationDescriptorNonRootImpl(module, Annotations.EMPTY, _fqName.shortNameOrSpecial()), PackageFragmentDescriptor {
+        override val fqName: FqName
+) : DeclarationDescriptorNonRootImpl(module, Annotations.EMPTY, fqName.shortNameOrSpecial()), PackageFragmentDescriptor {
     override fun substitute(substitutor: TypeSubstitutor): DeclarationDescriptor? = this
 
     override fun <R, D> accept(visitor: DeclarationDescriptorVisitor<R, D>, data: D): R =
@@ -33,6 +33,4 @@ public abstract class PackageFragmentDescriptorImpl(
     override fun getContainingDeclaration(): ModuleDescriptor {
         return super<DeclarationDescriptorNonRootImpl>.getContainingDeclaration() as ModuleDescriptor
     }
-
-    override fun getFqName(): FqName = _fqName
 }