Compute hash without serializing to string

1 files changed, 124 insertions, 58 deletions

diff --git a/vespajlib/abi-spec.json b/vespajlib/abi-spec.json
index a30ee055538..4e25d8ab0e0 100644
--- a/vespajlib/abi-spec.json
+++ b/vespajlib/abi-spec.json
@@ -1232,6 +1232,7 @@
       "public static java.lang.String toStandardString(com.yahoo.tensor.Tensor)",
       "public static java.lang.String contentToString(com.yahoo.tensor.Tensor)",
       "public abstract boolean equals(java.lang.Object)",
+      "public abstract int hashCode()",
       "public static boolean equals(com.yahoo.tensor.Tensor, com.yahoo.tensor.Tensor)",
       "public static boolean approxEquals(double, double, double)",
       "public static boolean approxEquals(double, double)",
@@ -1563,7 +1564,8 @@
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
       "public com.yahoo.tensor.TensorType type(com.yahoo.tensor.evaluation.TypeContext)",
       "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1580,7 +1582,8 @@
       "public java.util.List arguments()",
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1597,7 +1600,8 @@
       "public java.util.List arguments()",
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1614,7 +1618,8 @@
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
       "public com.yahoo.tensor.TensorType type(com.yahoo.tensor.evaluation.TypeContext)",
       "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1644,6 +1649,7 @@
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
       "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()",
       "public com.yahoo.tensor.TensorType type(com.yahoo.tensor.evaluation.TypeContext)",
       "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)"
     ],
@@ -1663,7 +1669,8 @@
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
       "public com.yahoo.tensor.TensorType type(com.yahoo.tensor.evaluation.TypeContext)",
       "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1678,7 +1685,8 @@
       "public java.util.List arguments()",
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1711,7 +1719,8 @@
       "public java.util.List arguments()",
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1730,7 +1739,8 @@
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
       "public com.yahoo.tensor.TensorType type(com.yahoo.tensor.evaluation.TypeContext)",
       "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1748,6 +1758,7 @@
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
       "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()",
       "public com.yahoo.tensor.TensorType type(com.yahoo.tensor.evaluation.TypeContext)",
       "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)"
     ],
@@ -1764,7 +1775,8 @@
       "public java.util.List arguments()",
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1779,7 +1791,8 @@
       "public java.util.List arguments()",
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1799,7 +1812,8 @@
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
       "public com.yahoo.tensor.TensorType type(com.yahoo.tensor.evaluation.TypeContext)",
       "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1815,7 +1829,8 @@
       "public java.util.List arguments()",
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1832,9 +1847,10 @@
       "public java.util.List arguments()",
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
       "public com.yahoo.tensor.TensorType type(com.yahoo.tensor.evaluation.TypeContext)",
-      "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)"
+      "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)",
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1861,7 +1877,8 @@
       "public java.util.List arguments()",
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1876,7 +1893,8 @@
       "public java.util.List arguments()",
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1919,7 +1937,8 @@
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
       "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
       "public com.yahoo.tensor.TensorType type(com.yahoo.tensor.evaluation.TypeContext)",
-      "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)"
+      "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1937,7 +1956,8 @@
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
       "public final com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)",
       "public boolean canOptimize(com.yahoo.tensor.Tensor, com.yahoo.tensor.Tensor)",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1957,7 +1977,8 @@
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
       "public com.yahoo.tensor.TensorType type(com.yahoo.tensor.evaluation.TypeContext)",
       "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -1990,7 +2011,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2005,7 +2027,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2020,7 +2043,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2035,7 +2059,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2050,7 +2075,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2065,7 +2091,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2081,6 +2108,7 @@
       "public void <init>(double)",
       "public java.lang.Double apply(java.util.List)",
       "public java.lang.String toString()",
+      "public int hashCode()",
       "public bridge synthetic java.lang.Object apply(java.lang.Object)"
     ],
     "fields": []
@@ -2096,7 +2124,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2111,7 +2140,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2127,7 +2157,8 @@
       "public void <init>()",
       "public void <init>(double)",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2142,7 +2173,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2157,6 +2189,7 @@
     "methods": [
       "public java.lang.Double apply(java.util.List)",
       "public java.lang.String toString()",
+      "public int hashCode()",
       "public bridge synthetic java.lang.Object apply(java.lang.Object)"
     ],
     "fields": []
@@ -2173,6 +2206,7 @@
       "public void <init>()",
       "public double applyAsDouble(double)",
       "public java.lang.String toString()",
+      "public int hashCode()",
       "public static double erf(double)"
     ],
     "fields": []
@@ -2188,7 +2222,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2203,7 +2238,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2218,7 +2254,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2234,7 +2271,8 @@
       "public void <init>()",
       "public static double hamming(double, double)",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2250,7 +2288,8 @@
       "public void <init>()",
       "public void <init>(double)",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2265,7 +2304,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2280,7 +2320,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2295,7 +2336,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2310,7 +2352,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2325,7 +2368,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2340,7 +2384,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2355,7 +2400,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2370,7 +2416,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2386,6 +2433,7 @@
       "public void <init>()",
       "public java.lang.Double apply(java.util.List)",
       "public java.lang.String toString()",
+      "public int hashCode()",
       "public bridge synthetic java.lang.Object apply(java.lang.Object)"
     ],
     "fields": []
@@ -2401,7 +2449,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2416,7 +2465,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2431,7 +2481,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2447,7 +2498,8 @@
       "public void <init>()",
       "public void <init>(double, double)",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2462,7 +2514,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2477,7 +2530,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2492,7 +2546,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2507,7 +2562,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2522,7 +2578,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2537,7 +2594,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double, double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2552,6 +2610,7 @@
     "methods": [
       "public java.lang.Double apply(java.util.List)",
       "public java.lang.String toString()",
+      "public int hashCode()",
       "public bridge synthetic java.lang.Object apply(java.lang.Object)"
     ],
     "fields": []
@@ -2567,7 +2626,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2582,7 +2642,8 @@
     "methods": [
       "public void <init>()",
       "public double applyAsDouble(double)",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2658,7 +2719,8 @@
       "public java.util.Optional dimension()",
       "public java.util.Optional label()",
       "public java.util.Optional index()",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2676,6 +2738,7 @@
       "public com.yahoo.tensor.Tensor evaluate(com.yahoo.tensor.evaluation.EvaluationContext)",
       "public com.yahoo.tensor.TensorType type(com.yahoo.tensor.evaluation.TypeContext)",
       "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()",
       "public bridge synthetic com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)"
     ],
     "fields": []
@@ -2692,7 +2755,8 @@
       "public java.util.List arguments()",
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },
@@ -2713,7 +2777,8 @@
       "public final com.yahoo.tensor.Tensor evaluate()",
       "public abstract java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
       "public java.util.Optional asScalarFunction()",
-      "public java.lang.String toString()"
+      "public java.lang.String toString()",
+      "public abstract int hashCode()"
     ],
     "fields": []
   },
@@ -2759,7 +2824,8 @@
       "public java.util.List arguments()",
       "public com.yahoo.tensor.functions.TensorFunction withArguments(java.util.List)",
       "public com.yahoo.tensor.functions.PrimitiveTensorFunction toPrimitive()",
-      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)"
+      "public java.lang.String toString(com.yahoo.tensor.functions.ToStringContext)",
+      "public int hashCode()"
     ],
     "fields": []
   },