From 34c4808c76379331993fb087059c8dd3f48fe449 Mon Sep 17 00:00:00 2001
From: James Strachan <james.strachan@gmail.com>
Date: Wed, 14 Mar 2012 12:50:40 +0000
Subject: [PATCH] #KT-1565 add a StringTemplate class which takes a Tuple -
 also add a Tuple so we can easily generically process all the items in a
 tuple

---
 runtime/src/jet/StringTemplate.java | 70 +++++++++++++++++++++++++++++
 runtime/src/jet/Tuple.java          | 32 +++++++++++++
 runtime/src/jet/Tuple0.java         | 11 ++++-
 runtime/src/jet/Tuple1.java         | 12 ++++-
 runtime/src/jet/Tuple10.java        | 21 ++++++++-
 runtime/src/jet/Tuple11.java        | 22 ++++++++-
 runtime/src/jet/Tuple12.java        | 23 +++++++++-
 runtime/src/jet/Tuple13.java        | 25 ++++++++++-
 runtime/src/jet/Tuple14.java        | 26 ++++++++++-
 runtime/src/jet/Tuple15.java        | 27 ++++++++++-
 runtime/src/jet/Tuple16.java        | 28 +++++++++++-
 runtime/src/jet/Tuple17.java        | 29 +++++++++++-
 runtime/src/jet/Tuple18.java        | 30 ++++++++++++-
 runtime/src/jet/Tuple19.java        | 31 ++++++++++++-
 runtime/src/jet/Tuple2.java         | 13 +++++-
 runtime/src/jet/Tuple20.java        | 32 ++++++++++++-
 runtime/src/jet/Tuple21.java        | 33 +++++++++++++-
 runtime/src/jet/Tuple22.java        | 33 +++++++++++++-
 runtime/src/jet/Tuple3.java         | 14 +++++-
 runtime/src/jet/Tuple4.java         | 15 ++++++-
 runtime/src/jet/Tuple5.java         | 16 ++++++-
 runtime/src/jet/Tuple6.java         | 17 ++++++-
 runtime/src/jet/Tuple7.java         | 18 +++++++-
 runtime/src/jet/Tuple8.java         | 19 +++++++-
 runtime/src/jet/Tuple9.java         | 20 ++++++++-
 25 files changed, 594 insertions(+), 23 deletions(-)
 create mode 100644 runtime/src/jet/StringTemplate.java
 create mode 100644 runtime/src/jet/Tuple.java

diff --git a/runtime/src/jet/StringTemplate.java b/runtime/src/jet/StringTemplate.java
new file mode 100644
index 00000000000..5ac79e4bb44
--- /dev/null
+++ b/runtime/src/jet/StringTemplate.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2010-2012 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 jet;
+
+/**
+ * Represents a string template object; that is a string with $ expressions such as "Hello $user".
+ *
+ * It is represented as an object that contains a Tuple
+ */
+public class StringTemplate<T extends Tuple> {
+    private final T tuple;
+
+    public StringTemplate(T tuple) {
+        this.tuple = tuple;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        StringTemplate that = (StringTemplate) o;
+
+        if (tuple != null ? !tuple.equals(that.tuple) : that.tuple != null) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        return tuple != null ? tuple.hashCode() : 0;
+    }
+
+    /**
+     * Returns the plain string version of the string template with no special escaping
+     */
+    @Override
+    public String toString() {
+        final StringBuilder builder = new StringBuilder();
+        tuple.forEach(new Function1<Object,Void>(){
+            @Override
+            public Void invoke(Object o) {
+                builder.append(o);
+                return null;
+            }
+        });
+        return builder.toString();
+
+    }
+
+    /**
+     * Returns the values in the string template
+     */
+    public T getValues() {
+        return tuple;
+    }
+}
diff --git a/runtime/src/jet/Tuple.java b/runtime/src/jet/Tuple.java
new file mode 100644
index 00000000000..1bd6a88e794
--- /dev/null
+++ b/runtime/src/jet/Tuple.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2012 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 jet;
+
+/**
+ * Represents the common interface of a tuple
+ */
+public abstract class Tuple extends DefaultJetObject {
+
+    /**
+     * Performs the given function on each item in the tuple
+     */
+    public abstract void forEach(Function1<Object, Void> fn);
+
+    /**
+     * Returns the size of the tuple
+     */
+    public abstract int size();
+}
diff --git a/runtime/src/jet/Tuple0.java b/runtime/src/jet/Tuple0.java
index 89dd3aeb110..b45e34112e7 100644
--- a/runtime/src/jet/Tuple0.java
+++ b/runtime/src/jet/Tuple0.java
@@ -19,7 +19,7 @@ package jet;
 /**
  * @author alex.tkachman
  */
-public class Tuple0 {
+public class Tuple0 extends Tuple {
     public static final Tuple0 INSTANCE = new Tuple0();
 
     private Tuple0() {
@@ -39,4 +39,13 @@ public class Tuple0 {
     public int hashCode() {
         return 239;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+    }
+
+    @Override
+    public int size() {
+        return 0;
+    }
 }
diff --git a/runtime/src/jet/Tuple1.java b/runtime/src/jet/Tuple1.java
index 161b0c6415c..8fef66da17d 100644
--- a/runtime/src/jet/Tuple1.java
+++ b/runtime/src/jet/Tuple1.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple1<T1> extends DefaultJetObject {
+public class Tuple1<T1> extends Tuple {
     public final T1 _1;
 
     public Tuple1(T1 t1) {
@@ -44,4 +44,14 @@ public class Tuple1<T1> extends DefaultJetObject {
         int result = _1 != null ? _1.hashCode() : 0;
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+    }
+
+    @Override
+    public int size() {
+        return 1;
+    }
 }
diff --git a/runtime/src/jet/Tuple10.java b/runtime/src/jet/Tuple10.java
index d9a37828dfc..9d003073513 100644
--- a/runtime/src/jet/Tuple10.java
+++ b/runtime/src/jet/Tuple10.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple10<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> extends DefaultJetObject {
+public class Tuple10<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -107,4 +107,23 @@ public class Tuple10<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> extends DefaultJet
         result = 31 * result + (_10 != null ? _10.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+    }
+
+    @Override
+    public int size() {
+        return 10;
+    }
 }
diff --git a/runtime/src/jet/Tuple11.java b/runtime/src/jet/Tuple11.java
index 5dd11aeabc3..8a61d3f8f94 100644
--- a/runtime/src/jet/Tuple11.java
+++ b/runtime/src/jet/Tuple11.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple11<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> extends DefaultJetObject {
+public class Tuple11<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -114,4 +114,24 @@ public class Tuple11<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> extends Defau
         result = 31 * result + (_11 != null ? _11.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+        fn.invoke(_11);
+    }
+
+    @Override
+    public int size() {
+        return 11;
+    }
 }
diff --git a/runtime/src/jet/Tuple12.java b/runtime/src/jet/Tuple12.java
index ac213c7b9b3..e4c88c68863 100644
--- a/runtime/src/jet/Tuple12.java
+++ b/runtime/src/jet/Tuple12.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple12<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> extends DefaultJetObject {
+public class Tuple12<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -121,4 +121,25 @@ public class Tuple12<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> extends
         result = 31 * result + (_12 != null ? _12.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+        fn.invoke(_11);
+        fn.invoke(_12);
+    }
+
+    @Override
+    public int size() {
+        return 12;
+    }
 }
diff --git a/runtime/src/jet/Tuple13.java b/runtime/src/jet/Tuple13.java
index 135e31aff6a..1260c5a97a8 100644
--- a/runtime/src/jet/Tuple13.java
+++ b/runtime/src/jet/Tuple13.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple13<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> extends DefaultJetObject {
+public class Tuple13<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -128,4 +128,27 @@ public class Tuple13<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> ext
         result = 31 * result + (_13 != null ? _13.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+        fn.invoke(_11);
+        fn.invoke(_12);
+        fn.invoke(_13);
+        fn.invoke(_13);
+    }
+
+    @Override
+    public int size() {
+        return 13;
+    }
 }
diff --git a/runtime/src/jet/Tuple14.java b/runtime/src/jet/Tuple14.java
index 7cea8fd85d0..b4b9844bfb1 100644
--- a/runtime/src/jet/Tuple14.java
+++ b/runtime/src/jet/Tuple14.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple14<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> extends DefaultJetObject {
+public class Tuple14<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -135,4 +135,28 @@ public class Tuple14<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14
         result = 31 * result + (_14 != null ? _14.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+        fn.invoke(_11);
+        fn.invoke(_12);
+        fn.invoke(_13);
+        fn.invoke(_13);
+        fn.invoke(_14);
+    }
+
+    @Override
+    public int size() {
+        return 14;
+    }
 }
diff --git a/runtime/src/jet/Tuple15.java b/runtime/src/jet/Tuple15.java
index 24ddc169f68..ff1e3e3ba80 100644
--- a/runtime/src/jet/Tuple15.java
+++ b/runtime/src/jet/Tuple15.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple15<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> extends DefaultJetObject {
+public class Tuple15<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -142,4 +142,29 @@ public class Tuple15<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14
         result = 31 * result + (_15 != null ? _15.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+        fn.invoke(_11);
+        fn.invoke(_12);
+        fn.invoke(_13);
+        fn.invoke(_13);
+        fn.invoke(_14);
+        fn.invoke(_15);
+    }
+
+    @Override
+    public int size() {
+        return 15;
+    }
 }
diff --git a/runtime/src/jet/Tuple16.java b/runtime/src/jet/Tuple16.java
index bef65c9d7e7..bb58d53e5b7 100644
--- a/runtime/src/jet/Tuple16.java
+++ b/runtime/src/jet/Tuple16.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple16<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> extends DefaultJetObject {
+public class Tuple16<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -149,4 +149,30 @@ public class Tuple16<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14
         result = 31 * result + (_16 != null ? _16.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+        fn.invoke(_11);
+        fn.invoke(_12);
+        fn.invoke(_13);
+        fn.invoke(_13);
+        fn.invoke(_14);
+        fn.invoke(_15);
+        fn.invoke(_16);
+    }
+
+    @Override
+    public int size() {
+        return 16;
+    }
 }
diff --git a/runtime/src/jet/Tuple17.java b/runtime/src/jet/Tuple17.java
index 9718cbb0114..c13906360f3 100644
--- a/runtime/src/jet/Tuple17.java
+++ b/runtime/src/jet/Tuple17.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple17<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17> extends DefaultJetObject {
+public class Tuple17<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -156,4 +156,31 @@ public class Tuple17<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14
         result = 31 * result + (_17 != null ? _17.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+        fn.invoke(_11);
+        fn.invoke(_12);
+        fn.invoke(_13);
+        fn.invoke(_13);
+        fn.invoke(_14);
+        fn.invoke(_15);
+        fn.invoke(_16);
+        fn.invoke(_17);
+    }
+
+    @Override
+    public int size() {
+        return 17;
+    }
 }
diff --git a/runtime/src/jet/Tuple18.java b/runtime/src/jet/Tuple18.java
index e8d433bc7e4..74f83711b0a 100644
--- a/runtime/src/jet/Tuple18.java
+++ b/runtime/src/jet/Tuple18.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple18<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18> extends DefaultJetObject {
+public class Tuple18<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -163,4 +163,32 @@ public class Tuple18<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14
         result = 31 * result + (_18 != null ? _18.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+        fn.invoke(_11);
+        fn.invoke(_12);
+        fn.invoke(_13);
+        fn.invoke(_13);
+        fn.invoke(_14);
+        fn.invoke(_15);
+        fn.invoke(_16);
+        fn.invoke(_17);
+        fn.invoke(_18);
+    }
+
+    @Override
+    public int size() {
+        return 18;
+    }
 }
diff --git a/runtime/src/jet/Tuple19.java b/runtime/src/jet/Tuple19.java
index 491a3c377c1..c6e982a1a3f 100644
--- a/runtime/src/jet/Tuple19.java
+++ b/runtime/src/jet/Tuple19.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple19<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19> extends DefaultJetObject {
+public class Tuple19<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -170,4 +170,33 @@ public class Tuple19<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14
         result = 31 * result + (_19 != null ? _19.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+        fn.invoke(_11);
+        fn.invoke(_12);
+        fn.invoke(_13);
+        fn.invoke(_13);
+        fn.invoke(_14);
+        fn.invoke(_15);
+        fn.invoke(_16);
+        fn.invoke(_17);
+        fn.invoke(_18);
+        fn.invoke(_19);
+    }
+
+    @Override
+    public int size() {
+        return 19;
+    }
 }
diff --git a/runtime/src/jet/Tuple2.java b/runtime/src/jet/Tuple2.java
index 2a150b1eddc..dcdf3b0ee0e 100644
--- a/runtime/src/jet/Tuple2.java
+++ b/runtime/src/jet/Tuple2.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple2<T1, T2> extends DefaultJetObject {
+public class Tuple2<T1, T2> extends Tuple {
     public final T1 _1;
     public final T2 _2;
 
@@ -51,4 +51,15 @@ public class Tuple2<T1, T2> extends DefaultJetObject {
         result = 31 * result + (_2 != null ? _2.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+    }
+
+    @Override
+    public int size() {
+        return 2;
+    }
 }
diff --git a/runtime/src/jet/Tuple20.java b/runtime/src/jet/Tuple20.java
index 880451376e7..8272dce6a14 100644
--- a/runtime/src/jet/Tuple20.java
+++ b/runtime/src/jet/Tuple20.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple20<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20> extends DefaultJetObject {
+public class Tuple20<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -177,4 +177,34 @@ public class Tuple20<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14
         result = 31 * result + (_20 != null ? _20.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+        fn.invoke(_11);
+        fn.invoke(_12);
+        fn.invoke(_13);
+        fn.invoke(_13);
+        fn.invoke(_14);
+        fn.invoke(_15);
+        fn.invoke(_16);
+        fn.invoke(_17);
+        fn.invoke(_18);
+        fn.invoke(_19);
+        fn.invoke(_20);
+    }
+
+    @Override
+    public int size() {
+        return 20;
+    }
 }
diff --git a/runtime/src/jet/Tuple21.java b/runtime/src/jet/Tuple21.java
index e41ae41ee7c..0c7818d5cc8 100644
--- a/runtime/src/jet/Tuple21.java
+++ b/runtime/src/jet/Tuple21.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple21<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21> extends DefaultJetObject {
+public class Tuple21<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -184,4 +184,35 @@ public class Tuple21<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14
         result = 31 * result + (_21 != null ? _21.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+        fn.invoke(_11);
+        fn.invoke(_12);
+        fn.invoke(_13);
+        fn.invoke(_13);
+        fn.invoke(_14);
+        fn.invoke(_15);
+        fn.invoke(_16);
+        fn.invoke(_17);
+        fn.invoke(_18);
+        fn.invoke(_19);
+        fn.invoke(_20);
+        fn.invoke(_21);
+    }
+
+    @Override
+    public int size() {
+        return 21;
+    }
 }
diff --git a/runtime/src/jet/Tuple22.java b/runtime/src/jet/Tuple22.java
index 27a74472f96..b0179dc4cf8 100644
--- a/runtime/src/jet/Tuple22.java
+++ b/runtime/src/jet/Tuple22.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple22<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22> extends DefaultJetObject {
+public class Tuple22<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -191,4 +191,35 @@ public class Tuple22<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14
         result = 31 * result + (_22 != null ? _22.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+        fn.invoke(_10);
+        fn.invoke(_11);
+        fn.invoke(_12);
+        fn.invoke(_13);
+        fn.invoke(_13);
+        fn.invoke(_14);
+        fn.invoke(_15);
+        fn.invoke(_16);
+        fn.invoke(_17);
+        fn.invoke(_18);
+        fn.invoke(_19);
+        fn.invoke(_20);
+        fn.invoke(_22);
+    }
+
+    @Override
+    public int size() {
+        return 22;
+    }
 }
diff --git a/runtime/src/jet/Tuple3.java b/runtime/src/jet/Tuple3.java
index 0ce479d0bdd..e10694f9602 100644
--- a/runtime/src/jet/Tuple3.java
+++ b/runtime/src/jet/Tuple3.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple3<T1, T2, T3> extends DefaultJetObject {
+public class Tuple3<T1, T2, T3> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -58,4 +58,16 @@ public class Tuple3<T1, T2, T3> extends DefaultJetObject {
         result = 31 * result + (_3 != null ? _3.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+    }
+
+    @Override
+    public int size() {
+        return 3;
+    }
 }
diff --git a/runtime/src/jet/Tuple4.java b/runtime/src/jet/Tuple4.java
index ace5ee317a2..75277855bc5 100644
--- a/runtime/src/jet/Tuple4.java
+++ b/runtime/src/jet/Tuple4.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple4<T1, T2, T3, T4> extends DefaultJetObject {
+public class Tuple4<T1, T2, T3, T4> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -65,4 +65,17 @@ public class Tuple4<T1, T2, T3, T4> extends DefaultJetObject {
         result = 31 * result + (_4 != null ? _4.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+    }
+
+    @Override
+    public int size() {
+        return 4;
+    }
 }
diff --git a/runtime/src/jet/Tuple5.java b/runtime/src/jet/Tuple5.java
index 723dae0146d..e1c5180c2dd 100644
--- a/runtime/src/jet/Tuple5.java
+++ b/runtime/src/jet/Tuple5.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple5<T1, T2, T3, T4, T5> extends DefaultJetObject {
+public class Tuple5<T1, T2, T3, T4, T5> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -72,4 +72,18 @@ public class Tuple5<T1, T2, T3, T4, T5> extends DefaultJetObject {
         result = 31 * result + (_5 != null ? _5.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+    }
+
+    @Override
+    public int size() {
+        return 5;
+    }
 }
diff --git a/runtime/src/jet/Tuple6.java b/runtime/src/jet/Tuple6.java
index 9f42ef3b406..df81c44049d 100644
--- a/runtime/src/jet/Tuple6.java
+++ b/runtime/src/jet/Tuple6.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple6<T1, T2, T3, T4, T5, T6> extends DefaultJetObject {
+public class Tuple6<T1, T2, T3, T4, T5, T6> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -79,4 +79,19 @@ public class Tuple6<T1, T2, T3, T4, T5, T6> extends DefaultJetObject {
         result = 31 * result + (_6 != null ? _6.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+    }
+
+    @Override
+    public int size() {
+        return 6;
+    }
 }
diff --git a/runtime/src/jet/Tuple7.java b/runtime/src/jet/Tuple7.java
index 4c1832ec72e..090091b41bd 100644
--- a/runtime/src/jet/Tuple7.java
+++ b/runtime/src/jet/Tuple7.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple7<T1, T2, T3, T4, T5, T6, T7> extends DefaultJetObject {
+public class Tuple7<T1, T2, T3, T4, T5, T6, T7> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -86,4 +86,20 @@ public class Tuple7<T1, T2, T3, T4, T5, T6, T7> extends DefaultJetObject {
         result = 31 * result + (_7 != null ? _7.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+    }
+
+    @Override
+    public int size() {
+        return 7;
+    }
 }
diff --git a/runtime/src/jet/Tuple8.java b/runtime/src/jet/Tuple8.java
index 3fe38a1ecf3..2c083bd888a 100644
--- a/runtime/src/jet/Tuple8.java
+++ b/runtime/src/jet/Tuple8.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple8<T1, T2, T3, T4, T5, T6, T7, T8> extends DefaultJetObject {
+public class Tuple8<T1, T2, T3, T4, T5, T6, T7, T8> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -93,4 +93,21 @@ public class Tuple8<T1, T2, T3, T4, T5, T6, T7, T8> extends DefaultJetObject {
         result = 31 * result + (_8 != null ? _8.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+    }
+
+    @Override
+    public int size() {
+        return 8;
+    }
 }
diff --git a/runtime/src/jet/Tuple9.java b/runtime/src/jet/Tuple9.java
index c7f2814453a..e4a4175565c 100644
--- a/runtime/src/jet/Tuple9.java
+++ b/runtime/src/jet/Tuple9.java
@@ -16,7 +16,7 @@
 
 package jet;
 
-public class Tuple9<T1, T2, T3, T4, T5, T6, T7, T8, T9> extends DefaultJetObject {
+public class Tuple9<T1, T2, T3, T4, T5, T6, T7, T8, T9> extends Tuple {
     public final T1 _1;
     public final T2 _2;
     public final T3 _3;
@@ -100,4 +100,22 @@ public class Tuple9<T1, T2, T3, T4, T5, T6, T7, T8, T9> extends DefaultJetObject
         result = 31 * result + (_9 != null ? _9.hashCode() : 0);
         return result;
     }
+
+    @Override
+    public void forEach(Function1<Object, Void> fn) {
+        fn.invoke(_1);
+        fn.invoke(_2);
+        fn.invoke(_3);
+        fn.invoke(_4);
+        fn.invoke(_5);
+        fn.invoke(_6);
+        fn.invoke(_7);
+        fn.invoke(_8);
+        fn.invoke(_9);
+    }
+
+    @Override
+    public int size() {
+        return 9;
+    }
 }