Use simple data class TargetId instead of Module to get incremental cache

compiler/util/src/org/jetbrains/kotlin/modules/Module.kt

@@ -30,15 +30,4 @@ public interface Module {
     public fun getAnnotationsRoots(): List<String>
 
     public fun getJavaSourceRoots(): List<String>
-
-    override fun equals(other: Any?): Boolean =
-        when {
-            this === other -> true
-            other !is Module -> false
-            else -> getModuleName() == other.getModuleName() &&
-                    getModuleType() == other.getModuleType()
-        }
-
-    override fun hashCode(): Int =
-            31 * getModuleName().hashCode() + getModuleType().hashCode()
 }

compiler/util/src/org/jetbrains/kotlin/modules/TargetId.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-2015 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.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.modules
+
+public data class TargetId(public val name: String, public val type: String)
+
+public fun TargetId(module: Module): TargetId =
+        TargetId(module.getModuleName(), module.getModuleType())