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Posted to commits@lucene.apache.org by jb...@apache.org on 2018/04/27 17:45:56 UTC

lucene-solr:branch_7x: SOLR-11734: Add ones and zeros Stream Evaluators

Repository: lucene-solr
Updated Branches:
  refs/heads/branch_7x b3f736d26 -> aa7acbf16


SOLR-11734: Add ones and zeros 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/aa7acbf1
Tree: http://git-wip-us.apache.org/repos/asf/lucene-solr/tree/aa7acbf1
Diff: http://git-wip-us.apache.org/repos/asf/lucene-solr/diff/aa7acbf1

Branch: refs/heads/branch_7x
Commit: aa7acbf16a0ecd9bb6b1cebd9e6eff434335eae6
Parents: b3f736d
Author: Joel Bernstein <jb...@apache.org>
Authored: Fri Apr 27 13:44:12 2018 -0400
Committer: Joel Bernstein <jb...@apache.org>
Committed: Fri Apr 27 13:45:26 2018 -0400

----------------------------------------------------------------------
 .../org/apache/solr/client/solrj/io/Lang.java   |  4 +-
 .../client/solrj/io/eval/OnesEvaluator.java     | 47 ++++++++++++++++++++
 .../client/solrj/io/eval/ZerosEvaluator.java    | 47 ++++++++++++++++++++
 .../apache/solr/client/solrj/io/TestLang.java   |  2 +-
 .../solrj/io/stream/MathExpressionTest.java     | 45 +++++++++++++++++++
 5 files changed, 143 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/aa7acbf1/solr/solrj/src/java/org/apache/solr/client/solrj/io/Lang.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/Lang.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/Lang.java
index f0862db..941c1a1 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/Lang.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/Lang.java
@@ -242,8 +242,10 @@ public class Lang {
         .withFunctionName("earthMovers", EarthMoversEvaluator.class)
         .withFunctionName("euclidean", EuclideanEvaluator.class)
         .withFunctionName("chebyshev", ChebyshevEvaluator.class)
+        .withFunctionName("ones", OnesEvaluator.class)
+        .withFunctionName("zeros", ZerosEvaluator.class)
 
-            // Boolean Stream Evaluators
+        // Boolean Stream Evaluators
 
         .withFunctionName("and", AndEvaluator.class)
         .withFunctionName("eor", ExclusiveOrEvaluator.class)

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/aa7acbf1/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/OnesEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/OnesEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/OnesEvaluator.java
new file mode 100644
index 0000000..bef53fd
--- /dev/null
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/OnesEvaluator.java
@@ -0,0 +1,47 @@
+/*
+ * 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.List;
+import java.util.Locale;
+
+import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
+import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
+
+public class OnesEvaluator extends RecursiveNumericEvaluator implements OneValueWorker {
+  protected static final long serialVersionUID = 1L;
+
+  public OnesEvaluator(StreamExpression expression, StreamFactory factory) throws IOException{
+    super(expression, factory);
+
+    if(1 != containedEvaluators.size()){
+      throw new IOException(String.format(Locale.ROOT,"Invalid expression %s - expecting exactly 1 value but found %d",expression,containedEvaluators.size()));
+    }
+  }
+
+  @Override
+  public Object doWork(Object value){
+    int size = ((Number)value).intValue();
+    List<Number> ones = new ArrayList();
+    for(int i=0; i<size; i++) {
+      ones.add(1);
+    }
+    return ones;
+  }
+}

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/aa7acbf1/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ZerosEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ZerosEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ZerosEvaluator.java
new file mode 100644
index 0000000..c379185
--- /dev/null
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ZerosEvaluator.java
@@ -0,0 +1,47 @@
+/*
+ * 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.List;
+import java.util.Locale;
+
+import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
+import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
+
+public class ZerosEvaluator extends RecursiveNumericEvaluator implements OneValueWorker {
+  protected static final long serialVersionUID = 1L;
+
+  public ZerosEvaluator(StreamExpression expression, StreamFactory factory) throws IOException{
+    super(expression, factory);
+
+    if(1 != containedEvaluators.size()){
+      throw new IOException(String.format(Locale.ROOT,"Invalid expression %s - expecting exactly 1 value but found %d",expression,containedEvaluators.size()));
+    }
+  }
+
+  @Override
+  public Object doWork(Object value){
+    int size = ((Number)value).intValue();
+    List<Number> ones = new ArrayList();
+    for(int i=0; i<size; i++) {
+      ones.add(0);
+    }
+    return ones;
+  }
+}

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/aa7acbf1/solr/solrj/src/test/org/apache/solr/client/solrj/io/TestLang.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/test/org/apache/solr/client/solrj/io/TestLang.java b/solr/solrj/src/test/org/apache/solr/client/solrj/io/TestLang.java
index 5f1e4f0..1e824da 100644
--- a/solr/solrj/src/test/org/apache/solr/client/solrj/io/TestLang.java
+++ b/solr/solrj/src/test/org/apache/solr/client/solrj/io/TestLang.java
@@ -69,7 +69,7 @@ public class TestLang extends LuceneTestCase {
        TemporalEvaluatorDayOfQuarter.FUNCTION_NAME, "abs", "add", "div", "mult", "sub", "log", "pow",
       "mod", "ceil", "floor", "sin", "asin", "sinh", "cos", "acos", "cosh", "tan", "atan", "tanh", "round", "sqrt",
       "cbrt", "coalesce", "uuid", "if", "convert", "valueAt", "memset", "fft", "ifft", "euclidean","manhattan",
-      "earthMovers", "canberra", "chebyshev"};
+      "earthMovers", "canberra", "chebyshev", "ones", "zeros"};
 
   @Test
   public void testLang() {

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/aa7acbf1/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/MathExpressionTest.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/MathExpressionTest.java b/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/MathExpressionTest.java
index d63b922..94d5334 100644
--- a/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/MathExpressionTest.java
+++ b/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/MathExpressionTest.java
@@ -995,6 +995,51 @@ public class MathExpressionTest extends SolrCloudTestCase {
     assertTrue(out.get(5).doubleValue() == 500.23D);
   }
 
+
+  @Test
+  public void testOnes() throws Exception {
+    String cexpr = "ones(6)";
+    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);
+    List<Number> out = (List<Number>)tuples.get(0).get("return-value");
+    assertEquals(out.size(), 6);
+    assertEquals(out.get(0).intValue(), 1);
+    assertEquals(out.get(1).intValue(), 1);
+    assertEquals(out.get(2).intValue(), 1);
+    assertEquals(out.get(3).intValue(), 1);
+    assertEquals(out.get(4).intValue(), 1);
+    assertEquals(out.get(5).intValue(), 1);
+  }
+
+  @Test
+  public void testZeros() throws Exception {
+    String cexpr = "zeros(6)";
+    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);
+    List<Number> out = (List<Number>)tuples.get(0).get("return-value");
+    assertEquals(out.size(), 6);
+    assertEquals(out.get(0).intValue(), 0);
+    assertEquals(out.get(1).intValue(), 0);
+    assertEquals(out.get(2).intValue(), 0);
+    assertEquals(out.get(3).intValue(), 0);
+    assertEquals(out.get(4).intValue(), 0);
+    assertEquals(out.get(5).intValue(), 0);
+  }
+
   @Test
   public void testMatrix() throws Exception {
     String cexpr = "let(echo=true," +