release 6.6.2-1.3.0

Author: liu-to

.gitignore

@@ -12,4 +12,14 @@ buildNumber.properties
 !/.mvn/wrapper/maven-wrapper.jar
 
 src/test/resources/com/worksap/nlp/lucene/sudachi/ja/system_core.dic
-bin/
+bin/
+
+# IDE
+.metadata
+.project
+.classpath
+.checkstyle
+.factorypath
+.settings/
+*.iml
+.idea

README.md

@@ -7,8 +7,13 @@ analysis-sudachi is an Elasticsearch plugin for tokenization of Japanese text us
 
 # What's new?
 
+- version 1.3.0
+    - Upgrade sudachi morphological analyzer to 0.2.0
+    - Import sudachi from maven central repository
+    - Minor bug fix
+
 - version 1.2.0
-    - Upgrading sudachi morphological analyzer to 1.2.0-SNAPSHOT
+    - Upgrading sudachi morphological analyzer to 0.2.0-SNAPSHOT
     - New filter `sudachi_normalizedform` was added; see [sudachi_normalizedform](#sudachi_normalizedform)
     - Default normalization behavior was changed; neather baseform filter and normalziedform filter not applied
     - `sudachi_readingform` filter was changed with new romaji mappings based on MS-IME
@@ -17,6 +22,9 @@ analysis-sudachi is an Elasticsearch plugin for tokenization of Japanese text us
 - version 1.1.0
     - `part-of-speech forward matching` is available on `stoptags`; see [sudachi_part_of_speech](#sudachi_part_of_speech)
 
+- version 1.0.0
+    - first release
+
 # Build
 
 1. Build analysis-sudachi.
@@ -26,12 +34,12 @@ analysis-sudachi is an Elasticsearch plugin for tokenization of Japanese text us
 
 # Installation
 
-Follow the steps below to install.
-
-1. Change the current directory "/usr/share/elasticsearch".
-2. Place the zip file created with "Build" on the moved directory.
-3. Command "sudo bin/elasticsearch-plugin install file:///usr/share/elasticsearch/<zipfile-name>"
-4. Place files [system_core.dic or system_full.dic] under ES_HOME/sudachi.
+1. Download analysis-sudachi-elasticsearch zip archive file
+2. Move current dir to $ES_HOME
+3. Execute "bin/elasticsearch-plugin install file:///<plugin-zip-path>"
+4. Download sudachi dictionary archive from https://github.com/WorksApplications/SudachiDict
+5. Extract dic file and place it to config/sudachi_tokenizer/system_core.dic
+6. Execute "bin/elasticsearch"
 
 # Configuration
 
@@ -425,25 +433,8 @@ Returns `スシ`.
 ```
 Returns `susi`.
 
-# Releases
-
-**1.1.0**
-- POS Filter: Allow forward matching; https://github.com/WorksApplications/elasticsearch-sudachi/issues/21
-
-**1.0.3**
-- Elasticsearch 6.1 API migration
-
-**1.0.2**
-- Elasticsearch 6.0 API migration
-
-**1.0.1**
-- fix exception over 512 characters
-
-**1.0.0**
-- first release
-
 # License
 
-Copyright (c) 2017 Works Applications Co., Ltd.
+Copyright (c) 2017-2019 Works Applications Co., Ltd.
 Originally under elasticsearch, https://www.elastic.co/jp/products/elasticsearch
 Originally under lucene, https://lucene.apache.org/

pom.xml

@@ -4,7 +4,7 @@
 
 	<groupId>com.worksap.nlp</groupId>
     <artifactId>analysis-sudachi-elasticsearch6.6</artifactId>
-    <version>1.2.0-SNAPSHOT</version>
+    <version>1.3.0</version>
 	<packaging>jar</packaging>
 
 	<name>analysis-sudachi</name>
@@ -14,7 +14,7 @@
 		<java.version>1.8</java.version>
 		<elasticsearch.version>6.6.2</elasticsearch.version>
 		<lucene.version>7.6.0</lucene.version>
-		<sudachi.version>0.1.2-SNAPSHOT</sudachi.version>
+		<sudachi.version>0.2.0</sudachi.version>
 		<jacoco.skip>true</jacoco.skip>
 		<sonar.skip>true</sonar.skip>
 		<sonar.host.url>https://sonarcloud.io</sonar.host.url>
@@ -155,7 +155,7 @@
 		</plugins>
 	</build>
 	<dependencies>
-		<!-- Sudachi -->
+		<!-- https://mvnrepository.com/artifact/com.worksap.nlp/sudachi -->
 		<dependency>
 			<groupId>com.worksap.nlp</groupId>
 			<artifactId>sudachi</artifactId>

src/main/java/com/worksap/nlp/lucene/sudachi/ja/PartOfSpeechTrie.java

@@ -23,6 +23,7 @@
 public class PartOfSpeechTrie {
 
     static final String EMPTY_SYMBOL = "*";
+    static final String LEAF = "";
 
     Map<String, Object> root = new HashMap<>();
 
@@ -37,6 +38,7 @@ public void add(String... items) {
                 (Map<String, Object>)node.computeIfAbsent(item, k -> new HashMap<>());
             node = newNode;
         }
+        node.put(LEAF, LEAF);
     }
 
     public boolean isPrefixOf(List<String> items, int begin, int end) {
@@ -47,17 +49,17 @@ public boolean isPrefixOf(List<String> items, int begin, int end) {
         for (int i = begin; i < end; i++) {
             String item = items.get(i);
             if (EMPTY_SYMBOL.equals(item)) {
-                return node.isEmpty();
+                return node.containsKey(LEAF);
             }
             @SuppressWarnings("unchecked")
             Map<String, Object> newNode = (Map<String, Object>)node.get(item);
             node = newNode;
             if (node == null) {
                 return false;
-            } else if (node.isEmpty()) {
+            } else if (node.containsKey(LEAF)) {
                 return true;
             }
         }
-        return true;
+        return node.containsKey(LEAF);
     }
 }

src/test/java/com/worksap/nlp/lucene/sudachi/ja/ResourceUtil.java

@@ -21,6 +21,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 
 class ResourceUtil {
@@ -30,8 +31,8 @@ private ResourceUtil() {}
 
     static String getSudachiSetting(InputStream is) throws IOException{
         String settings;
-        try (BufferedReader br = new BufferedReader(
-                        new InputStreamReader(is));) {
+        try (InputStreamReader ir = new InputStreamReader(is, StandardCharsets.UTF_8);
+            BufferedReader br = new BufferedReader(ir)) {
             String sudachiSettingsLine = "";
             StringBuilder sb = new StringBuilder();
             while ((sudachiSettingsLine = br.readLine()) != null) {

src/test/java/com/worksap/nlp/lucene/sudachi/ja/TestSudachiPartOfSpeechStopFilter.java

@@ -91,4 +91,21 @@ public void testConjugationForm() throws IOException {
         assertTokenStreamContents(tokenStream,
                                   new String[] {"東京都", "東京", "都", "に", "行っ"});
     }
+
+    public void testPrefixWithUnmatchedSubcategory() throws IOException {
+        String tags = "助詞,格助詞\n助詞,格助詞,引用\n";
+        factory.inform(new StringResourceLoader(tags));
+        tokenStream = factory.create(tokenStream);
+        assertTokenStreamContents(tokenStream,
+                                  new String[] {"東京都", "東京", "都", "行っ", "た"});
+    }
+
+    public void testTooLongCategory() throws IOException {
+        String tags = "名詞,固有名詞,地名,一般,一般\n";
+        factory.inform(new StringResourceLoader(tags));
+        tokenStream = factory.create(tokenStream);
+        assertTokenStreamContents(tokenStream,
+                                  new String[] {"東京都", "東京", "都", "に", "行っ", "た"});
+    }
+
 }