get rid of PipelineBase and PipelineImpl again

compiler/src/main/cpp/capnpc-java.c++

@@ -1665,7 +1665,7 @@ private:
         KJ_MAP(n, nestedTypeDecls) { return kj::mv(n); },
 
         //spaces(indent), "  public interface Pipeline", readerTypeParams, " extends org.capnproto.RemotePromise<Reader", readerTypeParams, "> {\n",
-        spaces(indent), "  public interface Pipeline", readerTypeParams, " extends org.capnproto.PipelineBase {\n",
+        spaces(indent), "  public interface Pipeline", readerTypeParams, " extends org.capnproto.Pipeline {\n",
         //spaces(indent), "    private final org.capnproto.PipelineImpl typeless;\n",
         //spaces(indent), "    org.capnproto.AnyPointer.Pipeline getTypeless();\n",
         //spaces(indent), "    public Pipeline(",

runtime/src/main/java/org/capnproto/AnyPointer.java

@@ -35,9 +35,6 @@ public final class AnyPointer {
             result.clear();
             return result;
         }
-        public Pipeline newPipeline(PipelineImpl typeless) {
-            return new AnyPointer.Pipeline(typeless.hook, typeless.ops);
-        }
     }
     public static final Factory factory = new Factory();
 
@@ -145,20 +142,41 @@ public final class AnyPointer {
         }
     }
 
-    public static class Pipeline extends PipelineImpl implements PipelineBase {
+    public static class Pipeline implements org.capnproto.Pipeline {
+
+        protected final PipelineHook hook;
+        protected final PipelineOp[] ops;
 
         public Pipeline(PipelineHook hook) {
             this(hook, new PipelineOp[0]);
         }
 
         Pipeline(PipelineHook hook, PipelineOp[] ops) {
-            super(hook, ops);
+            this.hook = hook;
+            this.ops = ops;
         }
 
         @Override
         public Pipeline typelessPipeline() {
             return this;
         }
+
+        Pipeline noop() {
+            return new Pipeline(this.hook, this.ops.clone());
+        }
+
+        public ClientHook asCap() {
+            return this.hook.getPipelinedCap(ops);
+        }
+
+        public Pipeline getPointerField(short pointerIndex) {
+            var newOps = new PipelineOp[this.ops.length + 1];
+            for (int ii = 0; ii < this.ops.length; ++ii) {
+                newOps[ii] = this.ops[ii];
+            }
+            newOps[this.ops.length] = PipelineOp.PointerField(pointerIndex);
+            return new Pipeline(this.hook, newOps);
+        }
     }
 
     public static final class Request
@@ -186,7 +204,7 @@ public final class AnyPointer {
         public RequestHook getHook() {
             return this.requestHook;
         }
-        
+
         @Override
         public FromPointerBuilder<Builder> getParamsFactory() {
             return AnyPointer.factory;

runtime/src/main/java/org/capnproto/Pipeline.java

@@ -1,5 +1,5 @@
 package org.capnproto;
 
-public interface PipelineBase {
+public interface Pipeline {
     AnyPointer.Pipeline typelessPipeline();
 }

runtime/src/main/java/org/capnproto/PipelineFactory.java

@@ -1,5 +0,0 @@
-package org.capnproto;
-
-public interface PipelineFactory<Pipeline> {
-    Pipeline newPipeline(RemotePromise<AnyPointer.Reader> promise, PipelineImpl typeless);
-}

runtime/src/main/java/org/capnproto/PipelineImpl.java

@@ -1,32 +0,0 @@
-package org.capnproto;
-
-public class PipelineImpl {
-    protected final PipelineHook hook;
-    protected final PipelineOp[] ops;
-
-    public PipelineImpl(PipelineHook hook) {
-        this(hook, new PipelineOp[0]);
-    }
-
-    public PipelineImpl(PipelineHook hook, PipelineOp[] ops) {
-        this.hook = hook;
-        this.ops = ops;
-    }
-
-    PipelineImpl noop() {
-        return new PipelineImpl(this.hook, this.ops.clone());
-    }
-
-    public ClientHook asCap() {
-        return this.hook.getPipelinedCap(ops);
-    }
-
-    public AnyPointer.Pipeline getPointerField(short pointerIndex) {
-        var newOps = new PipelineOp[this.ops.length+1];
-        for (int ii = 0; ii < this.ops.length; ++ii) {
-            newOps[ii] = this.ops[ii];
-        }
-        newOps[this.ops.length] = PipelineOp.PointerField(pointerIndex);
-        return new AnyPointer.Pipeline(this.hook, newOps);
-    }
-}