#1976. A handlers' order has been changed. The javac's HandleDelegate generates code before the HandleVal.

src/core/lombok/javac/handlers/HandleDelegate.java

@@ -82,7 +82,7 @@ import lombok.javac.JavacTreeMaker;
 import lombok.javac.ResolutionResetNeeded;
 
 @ProviderFor(JavacAnnotationHandler.class)
-@HandlerPriority(65536) //2^16; to make sure that we also delegate generated methods.
+@HandlerPriority(HandleDelegate.HANDLE_DELEGATE_PRIORITY) //2^16; to make sure that we also delegate generated methods.
 @ResolutionResetNeeded
 public class HandleDelegate extends JavacAnnotationHandler<Delegate> {
 	
@@ -102,6 +102,7 @@ public class HandleDelegate extends JavacAnnotationHandler<Delegate> {
 	
 	private static final String LEGALITY_OF_DELEGATE = "@Delegate is legal only on instance fields or no-argument instance methods.";
 	private static final String RECURSION_NOT_ALLOWED = "@Delegate does not support recursion (delegating to a type that itself has @Delegate members). Member \"%s\" is @Delegate in type \"%s\"";
+	public static final int HANDLE_DELEGATE_PRIORITY = 65536;
 
 	
 	@Override public void handle(AnnotationValues<Delegate> annotation, JCAnnotation ast, JavacNode annotationNode) {

src/core/lombok/javac/handlers/HandleVal.java

@@ -22,6 +22,7 @@
 package lombok.javac.handlers;
 
 import static lombok.core.handlers.HandlerUtil.handleFlagUsage;
+import static lombok.javac.handlers.HandleDelegate.HANDLE_DELEGATE_PRIORITY;
 import static lombok.javac.handlers.JavacHandlerUtil.*;
 import lombok.ConfigurationKeys;
 import lombok.val;
@@ -49,7 +50,7 @@ import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
 import com.sun.tools.javac.util.List;
 
 @ProviderFor(JavacASTVisitor.class)
-@HandlerPriority(65536) // 2^16; resolution needs to work, so if the RHS expression is i.e. a call to a generated getter, we have to run after that getter has been generated.
+@HandlerPriority(HANDLE_DELEGATE_PRIORITY + 100) // 2^16; resolution needs to work, so if the RHS expression is i.e. a call to a generated getter, we have to run after that getter has been generated.
 @ResolutionResetNeeded
 public class HandleVal extends JavacASTAdapter {
 	

test/transform/resource/after-delombok/ValDelegateMethodReference.java

@@ -0,0 +1,65 @@
+import java.util.function.Function;
+
+public class ValDelegateMethodReference {
+	public void config() {
+		final Column<Entity, java.lang.String> column = createColumn(Entity::getValue);
+	}
+
+	private <V> Column<Entity, V> createColumn(Function<Entity, V> func) {
+		return new Column<>(func);
+	}
+}
+
+class Column<T, V> {
+	public Column(Function<T, V> vp) {
+	}
+}
+
+class Entity {
+	private MyDelegate innerDelegate;
+
+	@java.lang.SuppressWarnings("all")
+	public java.lang.String getValue() {
+		return this.innerDelegate.getValue();
+	}
+
+	@java.lang.SuppressWarnings("all")
+	public java.lang.Boolean getABoolean() {
+		return this.innerDelegate.getABoolean();
+	}
+
+	@java.lang.SuppressWarnings("all")
+	public void setValue(final java.lang.String value) {
+		this.innerDelegate.setValue(value);
+	}
+
+	@java.lang.SuppressWarnings("all")
+	public void setABoolean(final java.lang.Boolean aBoolean) {
+		this.innerDelegate.setABoolean(aBoolean);
+	}
+}
+
+class MyDelegate {
+	private String value;
+	private Boolean aBoolean;
+
+	@java.lang.SuppressWarnings("all")
+	public String getValue() {
+		return this.value;
+	}
+
+	@java.lang.SuppressWarnings("all")
+	public Boolean getABoolean() {
+		return this.aBoolean;
+	}
+
+	@java.lang.SuppressWarnings("all")
+	public void setValue(final String value) {
+		this.value = value;
+	}
+
+	@java.lang.SuppressWarnings("all")
+	public void setABoolean(final Boolean aBoolean) {
+		this.aBoolean = aBoolean;
+	}
+}

test/transform/resource/after-ecj/ValDelegateMethodReference.java

@@ -0,0 +1,58 @@
+import lombok.Getter;
+import lombok.Setter;
+import lombok.experimental.Delegate;
+import lombok.val;
+import java.util.function.Function;
+public class ValDelegateMethodReference {
+  public ValDelegateMethodReference() {
+    super();
+  }
+  public void config() {
+    final @val Column<Entity, java.lang.String> column = createColumn(Entity::getValue);
+  }
+  private <V>Column<Entity, V> createColumn(Function<Entity, V> func) {
+    return new Column<>(func);
+  }
+}
+class Column<T, V> {
+  public Column(Function<T, V> vp) {
+    super();
+  }
+}
+class Entity {
+  private @Delegate MyDelegate innerDelegate;
+  Entity() {
+    super();
+  }
+  public @java.lang.SuppressWarnings("all") java.lang.Boolean getABoolean() {
+    return this.innerDelegate.getABoolean();
+  }
+  public @java.lang.SuppressWarnings("all") java.lang.String getValue() {
+    return this.innerDelegate.getValue();
+  }
+  public @java.lang.SuppressWarnings("all") void setABoolean(final java.lang.Boolean aBoolean) {
+    this.innerDelegate.setABoolean(aBoolean);
+  }
+  public @java.lang.SuppressWarnings("all") void setValue(final java.lang.String value) {
+    this.innerDelegate.setValue(value);
+  }
+}
+@Getter @Setter class MyDelegate {
+  private String value;
+  private Boolean aBoolean;
+  MyDelegate() {
+    super();
+  }
+  public @java.lang.SuppressWarnings("all") String getValue() {
+    return this.value;
+  }
+  public @java.lang.SuppressWarnings("all") Boolean getABoolean() {
+    return this.aBoolean;
+  }
+  public @java.lang.SuppressWarnings("all") void setValue(final String value) {
+    this.value = value;
+  }
+  public @java.lang.SuppressWarnings("all") void setABoolean(final Boolean aBoolean) {
+    this.aBoolean = aBoolean;
+  }
+}

test/transform/resource/before/ValDelegateMethodReference.java

@@ -0,0 +1,35 @@
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.experimental.Delegate;
+import lombok.val;
+
+import java.util.function.Function;
+
+public class ValDelegateMethodReference {
+
+	public void config() {
+		val column = createColumn(Entity::getValue);
+	}
+
+	private <V> Column<Entity, V> createColumn(Function<Entity, V> func) {
+		return new Column<>(func);
+	}
+
+}
+
+class Column<T, V> {
+	public Column(Function<T, V> vp) {}
+}
+
+class Entity {
+	@Delegate
+	private MyDelegate innerDelegate;
+}
+
+@Getter
+@Setter
+class MyDelegate {
+	private String value;
+	private Boolean aBoolean;
+}