From e3129927eb9ae4ca7f7fb9d348d133d04d308332 Mon Sep 17 00:00:00 2001
From: Eric Chang <erichang@google.com>
Date: Wed, 30 Jun 2021 13:37:40 -0700
Subject: [PATCH] Add the target field to Dagger map key types to support
 Hilt's @BindValueIntoMap.

Fixes #2710

RELNOTES=Add the target field to Dagger map key types to support Hilt's @BindValueIntoMap. #2710
PiperOrigin-RevId: 382375535
---
 java/dagger/multibindings/ClassKey.java  | 4 ++--
 java/dagger/multibindings/IntKey.java    | 4 ++--
 java/dagger/multibindings/LongKey.java   | 4 ++--
 java/dagger/multibindings/StringKey.java | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/java/dagger/multibindings/ClassKey.java b/java/dagger/multibindings/ClassKey.java
index ac255457caa..c759f747238 100644
--- a/java/dagger/multibindings/ClassKey.java
+++ b/java/dagger/multibindings/ClassKey.java
@@ -16,11 +16,11 @@
 
 package dagger.multibindings;
 
-import static java.lang.annotation.ElementType.METHOD;
 import static java.lang.annotation.RetentionPolicy.RUNTIME;
 
 import dagger.MapKey;
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.Target;
 
@@ -31,7 +31,7 @@
  * member whose type is {@code Class<? extends Something>}.
  */
 @Documented
-@Target(METHOD)
+@Target({ElementType.METHOD, ElementType.FIELD})
 @Retention(RUNTIME)
 @MapKey
 public @interface ClassKey {
diff --git a/java/dagger/multibindings/IntKey.java b/java/dagger/multibindings/IntKey.java
index 55e79a1bf65..3fcb6b8af5f 100644
--- a/java/dagger/multibindings/IntKey.java
+++ b/java/dagger/multibindings/IntKey.java
@@ -16,17 +16,17 @@
 
 package dagger.multibindings;
 
-import static java.lang.annotation.ElementType.METHOD;
 import static java.lang.annotation.RetentionPolicy.RUNTIME;
 
 import dagger.MapKey;
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.Target;
 
 /** A {@link MapKey} annotation for maps with {@code int} keys. */
 @Documented
-@Target(METHOD)
+@Target({ElementType.METHOD, ElementType.FIELD})
 @Retention(RUNTIME)
 @MapKey
 public @interface IntKey {
diff --git a/java/dagger/multibindings/LongKey.java b/java/dagger/multibindings/LongKey.java
index 71d0fe1167f..27d2ffe1337 100644
--- a/java/dagger/multibindings/LongKey.java
+++ b/java/dagger/multibindings/LongKey.java
@@ -16,17 +16,17 @@
 
 package dagger.multibindings;
 
-import static java.lang.annotation.ElementType.METHOD;
 import static java.lang.annotation.RetentionPolicy.RUNTIME;
 
 import dagger.MapKey;
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.Target;
 
 /** A {@link MapKey} annotation for maps with {@code long} keys. */
 @Documented
-@Target(METHOD)
+@Target({ElementType.METHOD, ElementType.FIELD})
 @Retention(RUNTIME)
 @MapKey
 public @interface LongKey {
diff --git a/java/dagger/multibindings/StringKey.java b/java/dagger/multibindings/StringKey.java
index 5dad8e3e9ac..d3bba9e39e5 100644
--- a/java/dagger/multibindings/StringKey.java
+++ b/java/dagger/multibindings/StringKey.java
@@ -16,17 +16,17 @@
 
 package dagger.multibindings;
 
-import static java.lang.annotation.ElementType.METHOD;
 import static java.lang.annotation.RetentionPolicy.RUNTIME;
 
 import dagger.MapKey;
 import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.Target;
 
 /** A {@link MapKey} annotation for maps with {@link String} keys. */
 @Documented
-@Target(METHOD)
+@Target({ElementType.METHOD, ElementType.FIELD})
 @Retention(RUNTIME)
 @MapKey
 public @interface StringKey {