cleanup, notnull

GitOrigin-RevId: 8fd77df495ca642a5dfa612ebd94e483510f9600

java/compiler/openapi/src/com/intellij/openapi/compiler/FileProcessingCompiler.java

@@ -64,7 +64,7 @@ public interface FileProcessingCompiler extends Compiler, ValidityStateFactory {
    * @return a non-null array of all items that potentially can be processed at the moment of method call. Even if
    *         the file is not changed, it should be returned if it _can_ be processed by the compiler implementing the interface.
    */
-  ProcessingItem @NotNull [] getProcessingItems(CompileContext context);
+  ProcessingItem @NotNull [] getProcessingItems(@NotNull CompileContext context);
 
   /**
    * Compiles the specified items.
@@ -74,6 +74,6 @@ public interface FileProcessingCompiler extends Compiler, ValidityStateFactory {
    *              {@link #getProcessingItems} method.
    * @return successfully processed items.
    */
-  ProcessingItem[] process(CompileContext context, ProcessingItem[] items);
+  ProcessingItem[] process(@NotNull CompileContext context, ProcessingItem @NotNull [] items);
 
 }

java/compiler/openapi/src/com/intellij/openapi/compiler/Validator.java

@@ -17,6 +17,7 @@ package com.intellij.openapi.compiler;
 
 import com.intellij.util.DeprecatedMethodException;
 import org.jetbrains.annotations.NonNls;
+import org.jetbrains.annotations.NotNull;
 
 /**
  * An interface for compilers which validate something after the compilation finishes. The validators are disabled by default and can be
@@ -38,6 +39,7 @@ public interface Validator extends FileProcessingCompiler {
   /**
    * Returns unique ID which can be used in project configuration files.
    */
+  @NotNull
   default @NonNls String getId() {
     DeprecatedMethodException.reportDefaultImplementation(getClass(), "getId",
                                                           "The default implementation delegates to 'getDescription' which may be localized but return value of this method must not depend on current localization.");

java/compiler/openapi/src/com/intellij/openapi/compiler/util/InspectionValidator.java

@@ -89,6 +89,7 @@ public abstract class InspectionValidator {
     return myInspectionToolProvider.getInspectionClasses();
   }
 
+  @NotNull
   public final String getId() {
     return myId;
   }