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Posted to commits@lucene.apache.org by jb...@apache.org on 2017/06/05 18:36:39 UTC
[25/41] lucene-solr:branch_6x: SOLR-10753: Add array Stream Evaluator
SOLR-10753: Add array 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/2a5de62c
Tree: http://git-wip-us.apache.org/repos/asf/lucene-solr/tree/2a5de62c
Diff: http://git-wip-us.apache.org/repos/asf/lucene-solr/diff/2a5de62c
Branch: refs/heads/branch_6x
Commit: 2a5de62cbc00fdd4b3344f48d0ea4e96b7594512
Parents: 306ba42
Author: Joel Bernstein <jb...@apache.org>
Authored: Fri May 26 10:23:21 2017 -0400
Committer: Joel Bernstein <jb...@apache.org>
Committed: Mon Jun 5 13:50:36 2017 -0400
----------------------------------------------------------------------
.../org/apache/solr/handler/StreamHandler.java | 1 +
.../client/solrj/io/eval/ArrayEvaluator.java | 63 ++++++++++++++++++++
.../solrj/io/stream/expr/StreamFactory.java | 2 +-
.../solrj/io/stream/StreamExpressionTest.java | 40 +++++++++++++
4 files changed, 105 insertions(+), 1 deletion(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/2a5de62c/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 a35f0ec..dc097be 100644
--- a/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
+++ b/solr/core/src/java/org/apache/solr/handler/StreamHandler.java
@@ -190,6 +190,7 @@ public class StreamHandler extends RequestHandlerBase implements SolrCoreAware,
.withFunctionName("describe", DescribeEvaluator.class)
.withFunctionName("finddelay", FindDelayEvaluator.class)
.withFunctionName("sequence", SequenceEvaluator.class)
+ .withFunctionName("array", ArrayEvaluator.class)
// metrics
.withFunctionName("min", MinMetric.class)
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/2a5de62c/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ArrayEvaluator.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ArrayEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ArrayEvaluator.java
new file mode 100644
index 0000000..31d89a2
--- /dev/null
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/ArrayEvaluator.java
@@ -0,0 +1,63 @@
+/*
+ * 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 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 ArrayEvaluator extends ComplexEvaluator implements Expressible {
+
+ private static final long serialVersionUID = 1;
+
+ public ArrayEvaluator(StreamExpression expression, StreamFactory factory) throws IOException {
+ super(expression, factory);
+ }
+
+ public List<Number> evaluate(Tuple tuple) throws IOException {
+ List<Number> list = new ArrayList();
+ for(StreamEvaluator subEvaluator : subEvaluators) {
+ Number num = (Number)subEvaluator.evaluate(tuple);
+ list.add(num);
+ }
+
+ return list;
+ }
+
+ @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/2a5de62c/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/expr/StreamFactory.java
----------------------------------------------------------------------
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/expr/StreamFactory.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/expr/StreamFactory.java
index 703acf4..74e1de8 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/expr/StreamFactory.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/expr/StreamFactory.java
@@ -433,7 +433,7 @@ public class StreamFactory implements Serializable {
if("null".equals(lower)){ return null; }
if("true".equals(lower) || "false".equals(lower)){ return Boolean.parseBoolean(lower); }
try{ return Long.valueOf(original); } catch(Exception ignored){};
- try{ if (original.matches(".{1,8}")){ return Float.valueOf(original); }} catch(Exception ignored){};
+ try{ if (original.matches(".{1,8}")){ return Double.valueOf(original); }} catch(Exception ignored){};
try{ if (original.matches(".{1,17}")){ return Double.valueOf(original); }} catch(Exception ignored){};
// is a string
http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/2a5de62c/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 a2e8ca3..cbd57b8 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
@@ -5734,6 +5734,46 @@ public class StreamExpressionTest extends SolrCloudTestCase {
assertTrue(ranked.get(3).doubleValue() == 3D);
}
+
+ @Test
+ public void testArray() throws Exception {
+ String cexpr = "array(1, 2, 3, 300, 2, 500)";
+ 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("out");
+ assertTrue(out.size() == 6);
+ assertTrue(out.get(0).intValue() == 1);
+ assertTrue(out.get(1).intValue() == 2);
+ assertTrue(out.get(2).intValue() == 3);
+ assertTrue(out.get(3).intValue() == 300);
+ assertTrue(out.get(4).intValue() == 2);
+ assertTrue(out.get(5).intValue() == 500);
+
+ cexpr = "array(1.122, 2.222, 3.333, 300.1, 2.13, 500.23)";
+ paramsLoc = new ModifiableSolrParams();
+ paramsLoc.set("expr", cexpr);
+ paramsLoc.set("qt", "/stream");
+ solrStream = new SolrStream(url, paramsLoc);
+ solrStream.setStreamContext(context);
+ tuples = getTuples(solrStream);
+ assertTrue(tuples.size() == 1);
+ out = (List<Number>)tuples.get(0).get("out");
+ assertTrue(out.size() == 6);
+ assertTrue(out.get(0).doubleValue() == 1.122D);
+ assertTrue(out.get(1).doubleValue() == 2.222D);
+ assertTrue(out.get(2).doubleValue() == 3.333D);
+ assertTrue(out.get(3).doubleValue() == 300.1D);
+ assertTrue(out.get(4).doubleValue() == 2.13D);
+ assertTrue(out.get(5).doubleValue() == 500.23D);
+ }
+
@Test
public void testScale() throws Exception {
UpdateRequest updateRequest = new UpdateRequest();