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Posted to commits@lucene.apache.org by jb...@apache.org on 2017/06/05 15:50:05 UTC

[1/4] lucene-solr:master: SOLR-10813: Add arraySort Stream Evaluator

Repository: lucene-solr
Updated Branches:
  refs/heads/master 2271e73e7 -> 78d95014e


SOLR-10813: Add arraySort Stream Evaluator


Project: http://git-wip-us.apache.org/repos/asf/lucene-solr/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/78d95014
Tree: http://git-wip-us.apache.org/repos/asf/lucene-solr/tree/78d95014
Diff: http://git-wip-us.apache.org/repos/asf/lucene-solr/diff/78d95014

Branch: refs/heads/master
Commit: 78d95014e75530fcd91040b1df3c0317a959b887
Parents: 6a9830c
Author: Joel Bernstein <jb...@apache.org>
Authored: Mon Jun 5 11:18:57 2017 -0400
Committer: Joel Bernstein <jb...@apache.org>
Committed: Mon Jun 5 11:19:17 2017 -0400

----------------------------------------------------------------------
 .../org/apache/solr/handler/StreamHandler.java  |  1 +
 .../solrj/io/eval/ArraySortEvaluator.java       | 77 ++++++++++++++++++++
 .../solrj/io/stream/StreamExpressionTest.java   | 25 ++++++-
 3 files changed, 102 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/78d95014/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
----------------------------------------------------------------------
diff --git a/solr/core/src/java/org/apache/solr/handler/StreamHandler.java b/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
index d4029ff..7889bf7 100644
--- a/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
+++ b/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
@@ -195,6 +195,7 @@ public class StreamHandler extends RequestHandlerBase implements SolrCoreAware,
       .withFunctionName("hist", HistogramEvaluator.class)
       .withFunctionName("anova", AnovaEvaluator.class)
       .withFunctionName("movingAvg", MovingAverageEvaluator.class)
+      .withFunctionName("arraySort", ArraySortEvaluator.class)
 
       // metrics
          .withFunctionName("min", MinMetric.class)

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/78d95014/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ArraySortEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ArraySortEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ArraySortEvaluator.java
new file mode 100644
index 0000000..dabc615
--- /dev/null
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ArraySortEvaluator.java
@@ -0,0 +1,77 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.solr.client.solrj.io.eval;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+import org.apache.solr.client.solrj.io.Tuple;
+import org.apache.solr.client.solrj.io.stream.expr.Explanation;
+import org.apache.solr.client.solrj.io.stream.expr.Explanation.ExpressionType;
+import org.apache.solr.client.solrj.io.stream.expr.Expressible;
+import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
+import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParameter;
+import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
+
+public class ArraySortEvaluator extends ComplexEvaluator implements Expressible {
+
+  private static final long serialVersionUID = 1;
+
+  public ArraySortEvaluator(StreamExpression expression, StreamFactory factory) throws IOException {
+    super(expression, factory);
+  }
+
+  public List<Number> evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() != 1) {
+      throw new IOException("Array sort evaluator expects 1 parameters found: "+subEvaluators.size());
+    }
+
+    StreamEvaluator colEval1 = subEvaluators.get(0);
+
+    List<Number> numbers1 = (List<Number>)colEval1.evaluate(tuple);
+    List<Number> numbers2 = new ArrayList();
+    numbers2.addAll(numbers1);
+    Collections.sort(numbers2, new Comparator<Number>() {
+      @Override
+      public int compare(Number o1, Number o2) {
+        Double d1 = o1.doubleValue();
+        Double d2 = o2.doubleValue();
+        return d1.compareTo(d2);
+      }
+    });
+    return numbers2;
+  }
+
+  @Override
+  public StreamExpressionParameter toExpression(StreamFactory factory) throws IOException {
+    StreamExpression expression = new StreamExpression(factory.getFunctionName(getClass()));
+    return expression;
+  }
+
+  @Override
+  public Explanation toExplanation(StreamFactory factory) throws IOException {
+    return new Explanation(nodeId.toString())
+        .withExpressionType(ExpressionType.EVALUATOR)
+        .withFunctionName(factory.getFunctionName(getClass()))
+        .withImplementingClass(getClass().getName())
+        .withExpression(toExpression(factory).toString());
+  }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/78d95014/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamExpressionTest.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamExpressionTest.java b/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamExpressionTest.java
index 8ca52d1..3466af2 100644
--- a/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamExpressionTest.java
+++ b/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamExpressionTest.java
@@ -5808,9 +5808,32 @@ public class StreamExpressionTest extends SolrCloudTestCase {
     tuple = tuples.get(0);
     p = tuple.getDouble("return-value");
     assertEquals(p, 2.4, 0.001);
-
   }
 
+  @Test
+  public void testArraySort() throws Exception {
+    String cexpr = "arraySort(array(11.5, 12.3, 4, 3, 1, 0))";
+    ModifiableSolrParams paramsLoc = new ModifiableSolrParams();
+    paramsLoc.set("expr", cexpr);
+    paramsLoc.set("qt", "/stream");
+
+    String url = cluster.getJettySolrRunners().get(0).getBaseUrl().toString()+"/"+COLLECTIONORALIAS;
+    TupleStream solrStream = new SolrStream(url, paramsLoc);
+
+    StreamContext context = new StreamContext();
+    solrStream.setStreamContext(context);
+    List<Tuple> tuples = getTuples(solrStream);
+    assertTrue(tuples.size() == 1);
+    Tuple tuple = tuples.get(0);
+    List<Number> asort = (List<Number>)tuple.get("return-value");
+    assertEquals(asort.size(), 6);
+    assertEquals(asort.get(0).doubleValue(), 0, 0.0);
+    assertEquals(asort.get(1).doubleValue(), 1, 0.0);
+    assertEquals(asort.get(2).doubleValue(), 3, 0.0);
+    assertEquals(asort.get(3).doubleValue(), 4, 0.0);
+    assertEquals(asort.get(4).doubleValue(), 11.5, 0.0);
+    assertEquals(asort.get(5).doubleValue(), 12.3, 0.0);
+  }
 
   @Test
   public void testCumulativeProbability() throws Exception {


[4/4] lucene-solr:master: SOLR-10805: Improve error handling for statistical Stream Evaluators

Posted by jb...@apache.org.
SOLR-10805: Improve error handling for statistical Stream Evaluators


Project: http://git-wip-us.apache.org/repos/asf/lucene-solr/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/f275e3b2
Tree: http://git-wip-us.apache.org/repos/asf/lucene-solr/tree/f275e3b2
Diff: http://git-wip-us.apache.org/repos/asf/lucene-solr/diff/f275e3b2

Branch: refs/heads/master
Commit: f275e3b254ef70179bf9923140c1d805c4314dd3
Parents: 2271e73
Author: Joel Bernstein <jb...@apache.org>
Authored: Fri Jun 2 12:13:34 2017 -0400
Committer: Joel Bernstein <jb...@apache.org>
Committed: Mon Jun 5 11:19:17 2017 -0400

----------------------------------------------------------------------
 .../org/apache/solr/client/solrj/io/eval/AnovaEvaluator.java   | 5 +++++
 .../apache/solr/client/solrj/io/eval/ConvolutionEvaluator.java | 6 ++++++
 .../apache/solr/client/solrj/io/eval/CorrelationEvaluator.java | 5 +++++
 .../apache/solr/client/solrj/io/eval/CovarianceEvaluator.java  | 5 +++++
 .../apache/solr/client/solrj/io/eval/DistanceEvaluator.java    | 5 +++++
 .../apache/solr/client/solrj/io/eval/FindDelayEvaluator.java   | 5 +++++
 .../apache/solr/client/solrj/io/eval/HistogramEvaluator.java   | 6 ++++--
 .../solr/client/solrj/io/eval/MovingAverageEvaluator.java      | 5 +++++
 .../org/apache/solr/client/solrj/io/eval/RankEvaluator.java    | 5 +++++
 .../org/apache/solr/client/solrj/io/eval/ReverseEvaluator.java | 5 +++++
 .../org/apache/solr/client/solrj/io/eval/ScaleEvaluator.java   | 5 +++++
 .../apache/solr/client/solrj/io/eval/SequenceEvaluator.java    | 5 +++++
 12 files changed, 60 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/f275e3b2/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/AnovaEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/AnovaEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/AnovaEvaluator.java
index b228821..d80e693 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/AnovaEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/AnovaEvaluator.java
@@ -40,6 +40,11 @@ public class AnovaEvaluator extends ComplexEvaluator implements Expressible {
   }
 
   public Tuple evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() < 2) {
+      throw new IOException("ANOVA evaluator expects atleast 2 parameters found: "+subEvaluators.size());
+    }
+
     List<double[]> list = new ArrayList();
     for(StreamEvaluator subEvaluator : subEvaluators) {
       List<Number> nums = (List<Number>)subEvaluator.evaluate(tuple);

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/f275e3b2/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ConvolutionEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ConvolutionEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ConvolutionEvaluator.java
index 6ca178d..000fa0d 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ConvolutionEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ConvolutionEvaluator.java
@@ -38,6 +38,12 @@ public class ConvolutionEvaluator extends ComplexEvaluator implements Expressibl
   }
 
   public List<Number> evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() != 2) {
+      throw new IOException("Convolution evaluator expects 2 parameters found: "+subEvaluators.size());
+    }
+
+
     StreamEvaluator colEval1 = subEvaluators.get(0);
     StreamEvaluator colEval2 = subEvaluators.get(1);
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/f275e3b2/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CorrelationEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CorrelationEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CorrelationEvaluator.java
index fc3d8c3..05db16f 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CorrelationEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CorrelationEvaluator.java
@@ -37,6 +37,11 @@ public class CorrelationEvaluator extends ComplexEvaluator implements Expressibl
   }
 
   public Number evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() != 2) {
+      throw new IOException("Correlation evaluator expects 2 parameters found: "+subEvaluators.size());
+    }
+
     StreamEvaluator colEval1 = subEvaluators.get(0);
     StreamEvaluator colEval2 = subEvaluators.get(1);
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/f275e3b2/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CovarianceEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CovarianceEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CovarianceEvaluator.java
index 7a6de68..5778289 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CovarianceEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CovarianceEvaluator.java
@@ -37,6 +37,11 @@ public class CovarianceEvaluator extends ComplexEvaluator implements Expressible
   }
 
   public Number evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() != 2) {
+      throw new IOException("Covariance evaluator expects 2 parameters found: "+subEvaluators.size());
+    }
+
     StreamEvaluator colEval1 = subEvaluators.get(0);
     StreamEvaluator colEval2 = subEvaluators.get(1);
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/f275e3b2/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/DistanceEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/DistanceEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/DistanceEvaluator.java
index 201da4b..f4ac319 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/DistanceEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/DistanceEvaluator.java
@@ -38,6 +38,11 @@ public class DistanceEvaluator extends ComplexEvaluator implements Expressible {
   }
 
   public Number evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() != 2) {
+      throw new IOException("Distance evaluator expects 2 parameters found: "+subEvaluators.size());
+    }
+
     StreamEvaluator colEval1 = subEvaluators.get(0);
     StreamEvaluator colEval2 = subEvaluators.get(1);
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/f275e3b2/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/FindDelayEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/FindDelayEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/FindDelayEvaluator.java
index c5a9b8a..0cdd153 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/FindDelayEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/FindDelayEvaluator.java
@@ -38,6 +38,11 @@ public class FindDelayEvaluator extends ComplexEvaluator implements Expressible
   }
 
   public Number evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() != 2) {
+      throw new IOException("Finddelay evaluator expects 2 parameters found: "+subEvaluators.size());
+    }
+
     StreamEvaluator colEval1 = subEvaluators.get(0);
     StreamEvaluator colEval2 = subEvaluators.get(1);
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/f275e3b2/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/HistogramEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/HistogramEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/HistogramEvaluator.java
index c691698..aa8408b 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/HistogramEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/HistogramEvaluator.java
@@ -42,6 +42,10 @@ public class HistogramEvaluator extends ComplexEvaluator implements Expressible
 
   public List<Map> evaluate(Tuple tuple) throws IOException {
 
+    if(subEvaluators.size() != 2) {
+      throw new IOException("Histogram evaluator expects 2 parameters found: "+subEvaluators.size());
+    }
+
     StreamEvaluator colEval1 = subEvaluators.get(0);
 
     List<Number> numbers1 = (List<Number>)colEval1.evaluate(tuple);
@@ -79,8 +83,6 @@ public class HistogramEvaluator extends ComplexEvaluator implements Expressible
     return binList;
   }
 
-
-
   @Override
   public StreamExpressionParameter toExpression(StreamFactory factory) throws IOException {
     StreamExpression expression = new StreamExpression(factory.getFunctionName(getClass()));

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/f275e3b2/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/MovingAverageEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/MovingAverageEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/MovingAverageEvaluator.java
index 2e0788f..783116e 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/MovingAverageEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/MovingAverageEvaluator.java
@@ -38,6 +38,11 @@ public class MovingAverageEvaluator extends ComplexEvaluator implements Expressi
   }
 
   public List<Number> evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() != 2) {
+      throw new IOException("Moving average evaluator expects 2 parameters found: "+subEvaluators.size());
+    }
+
     StreamEvaluator colEval = subEvaluators.get(0);
     StreamEvaluator windowEval = subEvaluators.get(1);
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/f275e3b2/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/RankEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/RankEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/RankEvaluator.java
index 8a22e94..2086c92 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/RankEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/RankEvaluator.java
@@ -38,6 +38,11 @@ public class RankEvaluator extends ComplexEvaluator implements Expressible {
   }
 
   public List<Number> evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() != 1) {
+      throw new IOException("Rank evaluator expects 1 parameters found: "+subEvaluators.size());
+    }
+
     StreamEvaluator colEval = subEvaluators.get(0);
 
     List<Number> numbers = (List<Number>)colEval.evaluate(tuple);

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/f275e3b2/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ReverseEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ReverseEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ReverseEvaluator.java
index 016e995..cb11c91 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ReverseEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ReverseEvaluator.java
@@ -37,6 +37,11 @@ public class ReverseEvaluator extends ComplexEvaluator implements Expressible {
   }
 
   public List<Number> evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() != 1) {
+      throw new IOException("Reverse evaluator expects 1 parameters found: "+subEvaluators.size());
+    }
+
     StreamEvaluator colEval1 = subEvaluators.get(0);
 
     List<Number> numbers1 = (List<Number>)colEval1.evaluate(tuple);

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/f275e3b2/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ScaleEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ScaleEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ScaleEvaluator.java
index 8ff2a7c..f45e2c4 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ScaleEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ScaleEvaluator.java
@@ -38,6 +38,11 @@ public class ScaleEvaluator extends ComplexEvaluator implements Expressible {
   }
 
   public List<Number> evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() != 2) {
+      throw new IOException("Scale evaluator expects 2 parameters found: "+subEvaluators.size());
+    }
+
     StreamEvaluator numEval = subEvaluators.get(0);
     StreamEvaluator colEval1 = subEvaluators.get(1);
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/f275e3b2/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/SequenceEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/SequenceEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/SequenceEvaluator.java
index a88d695..c45e551 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/SequenceEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/SequenceEvaluator.java
@@ -38,6 +38,11 @@ public class SequenceEvaluator extends ComplexEvaluator implements Expressible {
   }
 
   public List<Number> evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() != 3) {
+      throw new IOException("Sequence evaluator expects 3 parameters found: "+subEvaluators.size());
+    }
+
     StreamEvaluator sizeEval = subEvaluators.get(0);
     StreamEvaluator startEval = subEvaluators.get(1);
     StreamEvaluator strideEval = subEvaluators.get(2);


[2/4] lucene-solr:master: SOLR-10696: Add cumulative probability function

Posted by jb...@apache.org.
SOLR-10696: Add cumulative probability function


Project: http://git-wip-us.apache.org/repos/asf/lucene-solr/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/99ca13f9
Tree: http://git-wip-us.apache.org/repos/asf/lucene-solr/tree/99ca13f9
Diff: http://git-wip-us.apache.org/repos/asf/lucene-solr/diff/99ca13f9

Branch: refs/heads/master
Commit: 99ca13f90fa04fb804e20bbdf51bf6cfc4ea3a34
Parents: f275e3b
Author: Joel Bernstein <jb...@apache.org>
Authored: Fri Jun 2 15:19:38 2017 -0400
Committer: Joel Bernstein <jb...@apache.org>
Committed: Mon Jun 5 11:19:17 2017 -0400

----------------------------------------------------------------------
 .../org/apache/solr/handler/StreamHandler.java  |  1 +
 .../io/eval/CumulativeProbabilityEvaluator.java | 66 ++++++++++++++++++++
 .../solrj/io/eval/PercentileEvaluator.java      | 24 ++++---
 .../solrj/io/stream/StreamExpressionTest.java   | 65 +++++++++++++++++--
 4 files changed, 143 insertions(+), 13 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/99ca13f9/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
----------------------------------------------------------------------
diff --git a/solr/core/src/java/org/apache/solr/handler/StreamHandler.java b/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
index f79f86e..d4029ff 100644
--- a/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
+++ b/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
@@ -187,6 +187,7 @@ public class StreamHandler extends RequestHandlerBase implements SolrCoreAware,
       .withFunctionName("copyOfRange", CopyOfRangeEvaluator.class)
       .withFunctionName("percentile", PercentileEvaluator.class)
       .withFunctionName("empiricalDistribution", EmpiricalDistributionEvaluator.class)
+      .withFunctionName("cumulativeProbability", CumulativeProbabilityEvaluator.class)
       .withFunctionName("describe", DescribeEvaluator.class)
       .withFunctionName("finddelay", FindDelayEvaluator.class)
       .withFunctionName("sequence", SequenceEvaluator.class)

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/99ca13f9/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CumulativeProbabilityEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CumulativeProbabilityEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CumulativeProbabilityEvaluator.java
new file mode 100644
index 0000000..469e983
--- /dev/null
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/CumulativeProbabilityEvaluator.java
@@ -0,0 +1,66 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.solr.client.solrj.io.eval;
+
+import java.io.IOException;
+
+import org.apache.solr.client.solrj.io.Tuple;
+import org.apache.solr.client.solrj.io.stream.expr.Explanation;
+import org.apache.solr.client.solrj.io.stream.expr.Explanation.ExpressionType;
+import org.apache.solr.client.solrj.io.stream.expr.Expressible;
+import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
+import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParameter;
+import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
+
+public class CumulativeProbabilityEvaluator extends ComplexEvaluator implements Expressible {
+
+  private static final long serialVersionUID = 1;
+
+  public CumulativeProbabilityEvaluator(StreamExpression expression, StreamFactory factory) throws IOException {
+    super(expression, factory);
+  }
+
+  public Number evaluate(Tuple tuple) throws IOException {
+
+    if(subEvaluators.size() != 2) {
+      throw new IOException("Cumulative probability expects 2 parameters: an emperical distribution and a number");
+    }
+
+    StreamEvaluator r = subEvaluators.get(0);
+    StreamEvaluator d = subEvaluators.get(1);
+
+    EmpiricalDistributionEvaluator.EmpiricalDistributionTuple e = (EmpiricalDistributionEvaluator.EmpiricalDistributionTuple)r.evaluate(tuple);
+    Number n = (Number)d.evaluate(tuple);
+    return e.percentile(n.doubleValue());
+  }
+
+  @Override
+  public StreamExpressionParameter toExpression(StreamFactory factory) throws IOException {
+    StreamExpression expression = new StreamExpression(factory.getFunctionName(getClass()));
+    return expression;
+  }
+
+  @Override
+  public Explanation toExplanation(StreamFactory factory) throws IOException {
+    return new Explanation(nodeId.toString())
+        .withExpressionType(ExpressionType.EVALUATOR)
+        .withFunctionName(factory.getFunctionName(getClass()))
+        .withImplementingClass(getClass().getName())
+        .withExpression(toExpression(factory).toString());
+  }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/99ca13f9/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/PercentileEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/PercentileEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/PercentileEvaluator.java
index 19d423d..7867048 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/PercentileEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/PercentileEvaluator.java
@@ -17,6 +17,9 @@
 
 package org.apache.solr.client.solrj.io.eval;
 
+import java.text.DecimalFormat;
+import java.text.NumberFormat;
+import java.util.List;
 import java.io.IOException;
 
 import org.apache.solr.client.solrj.io.Tuple;
@@ -26,6 +29,7 @@ import org.apache.solr.client.solrj.io.stream.expr.Expressible;
 import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
 import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParameter;
 import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
+import org.apache.commons.math3.stat.descriptive.rank.Percentile;
 
 public class PercentileEvaluator extends ComplexEvaluator implements Expressible {
 
@@ -36,17 +40,23 @@ public class PercentileEvaluator extends ComplexEvaluator implements Expressible
   }
 
   public Number evaluate(Tuple tuple) throws IOException {
-
     if(subEvaluators.size() != 2) {
-      throw new IOException("Percentile expects 2 parameters: a regression result and a number");
+      throw new IOException("Percentile expects 2 parameters: an array and a number");
     }
 
-    StreamEvaluator r = subEvaluators.get(0);
-    StreamEvaluator d = subEvaluators.get(1);
+    StreamEvaluator colEval = subEvaluators.get(0);
+    List<Number> column = (List<Number>)colEval.evaluate(tuple);
+
+    double[] data = new double[column.size()];
+    for(int i=0; i<data.length; i++) {
+      data[i] = column.get(i).doubleValue();
+    }
 
-    EmpiricalDistributionEvaluator.EmpiricalDistributionTuple e = (EmpiricalDistributionEvaluator.EmpiricalDistributionTuple)r.evaluate(tuple);
-    Number n = (Number)d.evaluate(tuple);
-    return e.percentile(n.doubleValue());
+    Percentile percentile = new Percentile();
+    percentile.setData(data);
+    StreamEvaluator numEval = subEvaluators.get(1);
+    Number num  = (Number)numEval.evaluate(tuple);
+    return percentile.evaluate(num.doubleValue());
   }
 
   @Override

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/99ca13f9/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamExpressionTest.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamExpressionTest.java b/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamExpressionTest.java
index 3957915..8ca52d1 100644
--- a/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamExpressionTest.java
+++ b/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamExpressionTest.java
@@ -5759,8 +5759,61 @@ public class StreamExpressionTest extends SolrCloudTestCase {
   }
 
 
+
+  @Test
+  public void testPercentile() throws Exception {
+    String cexpr = "percentile(array(1,2,3,4,5,6,7,8,9,10,11), 50)";
+    ModifiableSolrParams paramsLoc = new ModifiableSolrParams();
+    paramsLoc.set("expr", cexpr);
+    paramsLoc.set("qt", "/stream");
+
+    String url = cluster.getJettySolrRunners().get(0).getBaseUrl().toString()+"/"+COLLECTIONORALIAS;
+    TupleStream solrStream = new SolrStream(url, paramsLoc);
+
+    StreamContext context = new StreamContext();
+    solrStream.setStreamContext(context);
+    List<Tuple> tuples = getTuples(solrStream);
+    assertTrue(tuples.size() == 1);
+    Tuple tuple = tuples.get(0);
+    double p = tuple.getDouble("return-value");
+    assertEquals(p, 6, 0.0);
+
+
+    cexpr = "percentile(array(11,10,3,4,5,6,7,8,9,2,1), 50)";
+    paramsLoc = new ModifiableSolrParams();
+    paramsLoc.set("expr", cexpr);
+    paramsLoc.set("qt", "/stream");
+
+    solrStream = new SolrStream(url, paramsLoc);
+
+    context = new StreamContext();
+    solrStream.setStreamContext(context);
+    tuples = getTuples(solrStream);
+    assertTrue(tuples.size() == 1);
+    tuple = tuples.get(0);
+    p = tuple.getDouble("return-value");
+    assertEquals(p, 6, 0.0);
+
+    cexpr = "percentile(array(11,10,3,4,5,6,7,8,9,2,1), 20)";
+    paramsLoc = new ModifiableSolrParams();
+    paramsLoc.set("expr", cexpr);
+    paramsLoc.set("qt", "/stream");
+
+    solrStream = new SolrStream(url, paramsLoc);
+
+    context = new StreamContext();
+    solrStream.setStreamContext(context);
+    tuples = getTuples(solrStream);
+    assertTrue(tuples.size() == 1);
+    tuple = tuples.get(0);
+    p = tuple.getDouble("return-value");
+    assertEquals(p, 2.4, 0.001);
+
+  }
+
+
   @Test
-  public void testPercentiles() throws Exception {
+  public void testCumulativeProbability() throws Exception {
     UpdateRequest updateRequest = new UpdateRequest();
 
     int i=0;
@@ -5773,11 +5826,11 @@ public class StreamExpressionTest extends SolrCloudTestCase {
 
     String expr = "search("+COLLECTIONORALIAS+", q=\"*:*\", fl=\"price_f\", sort=\"price_f asc\", rows=\"200\")";
     String cexpr = "let(a="+expr+", c=col(a, price_f), e=empiricalDistribution(c), " +
-        "tuple(p1=percentile(e, 88), " +
-        "p2=percentile(e, 2), " +
-        "p3=percentile(e, 99), " +
-        "p4=percentile(e, 77), " +
-        "p5=percentile(e, 98)))";
+        "tuple(p1=cumulativeProbability(e, 88), " +
+        "p2=cumulativeProbability(e, 2), " +
+        "p3=cumulativeProbability(e, 99), " +
+        "p4=cumulativeProbability(e, 77), " +
+        "p5=cumulativeProbability(e, 98)))";
 
     ModifiableSolrParams paramsLoc = new ModifiableSolrParams();
     paramsLoc.set("expr", cexpr);


[3/4] lucene-solr:master: SOLR-10696: Fix precommit

Posted by jb...@apache.org.
SOLR-10696: Fix precommit


Project: http://git-wip-us.apache.org/repos/asf/lucene-solr/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/6a9830cd
Tree: http://git-wip-us.apache.org/repos/asf/lucene-solr/tree/6a9830cd
Diff: http://git-wip-us.apache.org/repos/asf/lucene-solr/diff/6a9830cd

Branch: refs/heads/master
Commit: 6a9830cdc0b5a5bf5ae18ff75119e64923d8266a
Parents: 99ca13f
Author: Joel Bernstein <jb...@apache.org>
Authored: Fri Jun 2 15:33:49 2017 -0400
Committer: Joel Bernstein <jb...@apache.org>
Committed: Mon Jun 5 11:19:17 2017 -0400

----------------------------------------------------------------------
 .../org/apache/solr/client/solrj/io/eval/PercentileEvaluator.java  | 2 --
 1 file changed, 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/6a9830cd/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/PercentileEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/PercentileEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/PercentileEvaluator.java
index 7867048..658e66a 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/PercentileEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/PercentileEvaluator.java
@@ -17,8 +17,6 @@
 
 package org.apache.solr.client.solrj.io.eval;
 
-import java.text.DecimalFormat;
-import java.text.NumberFormat;
 import java.util.List;
 import java.io.IOException;