Merge pull request #11243 from rjernst/remove/type-listener

Mappings: Remove document parse listener

src/main/java/org/elasticsearch/index/mapper/DocumentMapper.java

@@ -82,28 +82,6 @@ import java.util.concurrent.CopyOnWriteArrayList;
  */
 public class DocumentMapper implements ToXContent {
 
-    /**
-     * A listener to be called during the parse process.
-     */
-    public static interface ParseListener<ParseContext> {
-
-        public static final ParseListener EMPTY = new ParseListenerAdapter();
-
-        /**
-         * Called before a field is added to the document. Return <tt>true</tt> to include
-         * it in the document.
-         */
-        boolean beforeFieldAdded(FieldMapper fieldMapper, Field fieldable, ParseContext parseContent);
-    }
-
-    public static class ParseListenerAdapter implements ParseListener {
-
-        @Override
-        public boolean beforeFieldAdded(FieldMapper fieldMapper, Field fieldable, Object parseContext) {
-            return true;
-        }
-    }
-
     public static class Builder {
 
         private Map<Class<? extends RootMapper>, RootMapper> rootMappers = new LinkedHashMap<>();
@@ -341,13 +319,7 @@ public class DocumentMapper implements ToXContent {
     }
 
     public ParsedDocument parse(SourceToParse source) throws MapperParsingException {
-        return documentParser.parseDocument(source, null);
+        return documentParser.parseDocument(source);
-    }
-
-    // NOTE: do not use this method, it will be removed in the future once
-    // https://github.com/elastic/elasticsearch/issues/10736 is done (MLT api is the only user of this listener)
-    public ParsedDocument parse(SourceToParse source, @Nullable ParseListener listener) throws MapperParsingException {
-        return documentParser.parseDocument(source, listener);
     }
 
     /**

src/main/java/org/elasticsearch/index/mapper/DocumentParser.java

@@ -67,7 +67,7 @@ class DocumentParser implements Closeable {
         this.docMapper = docMapper;
     }
 
-    public ParsedDocument parseDocument(SourceToParse source, @Nullable DocumentMapper.ParseListener listener) throws MapperParsingException {
+    public ParsedDocument parseDocument(SourceToParse source) throws MapperParsingException {
         ParseContext.InternalParseContext context = cache.get();
 
         final Mapping mapping = docMapper.mapping();
@@ -84,7 +84,7 @@ class DocumentParser implements Closeable {
             if (mapping.sourceTransforms.length > 0) {
                 parser = transform(mapping, parser);
             }
-            context.reset(parser, new ParseContext.Document(), source, listener);
+            context.reset(parser, new ParseContext.Document(), source);
 
             // will result in START_OBJECT
             int countDownTokens = 0;
@@ -166,7 +166,7 @@ class DocumentParser implements Closeable {
         ParsedDocument doc = new ParsedDocument(context.uid(), context.version(), context.id(), context.type(), source.routing(), source.timestamp(), source.ttl(), context.docs(),
             context.source(), update).parent(source.parent());
         // reset the context to free up memory
-        context.reset(null, null, null, null);
+        context.reset(null, null, null);
         return doc;
     }
 

src/main/java/org/elasticsearch/index/mapper/ParseContext.java

@@ -33,7 +33,6 @@ import org.elasticsearch.common.lucene.all.AllEntries;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.index.analysis.AnalysisService;
-import org.elasticsearch.index.mapper.DocumentMapper.ParseListener;
 import org.elasticsearch.index.mapper.object.RootObjectMapper;
 
 import java.util.ArrayList;
@@ -246,11 +245,6 @@ public abstract class ParseContext {
             return in.parser();
         }
 
-        @Override
-        public ParseListener listener() {
-            return in.listener();
-        }
-
         @Override
         public Document rootDoc() {
             return in.rootDoc();
@@ -391,8 +385,6 @@ public abstract class ParseContext {
 
         private String id;
 
-        private DocumentMapper.ParseListener listener;
-
         private Field uid, version;
 
         private StringBuilder stringBuilder = new StringBuilder();
@@ -413,7 +405,7 @@ public abstract class ParseContext {
             this.path = path;
         }
 
-        public void reset(XContentParser parser, Document document, SourceToParse source, DocumentMapper.ParseListener listener) {
+        public void reset(XContentParser parser, Document document, SourceToParse source) {
             this.parser = parser;
             this.document = document;
             if (document != null) {
@@ -428,7 +420,6 @@ public abstract class ParseContext {
             this.sourceToParse = source;
             this.source = source == null ? null : sourceToParse.source();
             this.path.reset();
-            this.listener = listener == null ? DocumentMapper.ParseListener.EMPTY : listener;
             this.allEntries = new AllEntries();
             this.ignoredValues.clear();
             this.docBoost = 1.0f;
@@ -487,11 +478,6 @@ public abstract class ParseContext {
             return this.parser;
         }
 
-        @Override
-        public DocumentMapper.ParseListener listener() {
-            return this.listener;
-        }
-
         @Override
         public Document rootDoc() {
             return documents.get(0);
@@ -701,8 +687,6 @@ public abstract class ParseContext {
 
     public abstract XContentParser parser();
 
-    public abstract DocumentMapper.ParseListener listener();
-
     public abstract Document rootDoc();
 
     public abstract List<Document> docs();

src/main/java/org/elasticsearch/index/mapper/core/AbstractFieldMapper.java

@@ -425,10 +425,8 @@ public abstract class AbstractFieldMapper<T> implements FieldMapper<T> {
                 if (!customBoost()) {
                     field.setBoost(boost);
                 }
-                if (context.listener().beforeFieldAdded(this, field, context)) {
                 context.doc().add(field);
             }
-            }
         } catch (Exception e) {
             throw new MapperParsingException("failed to parse [" + names.fullName() + "]", e);
         }

src/main/java/org/elasticsearch/index/mapper/geo/GeoShapeFieldMapper.java

@@ -269,10 +269,8 @@ public class GeoShapeFieldMapper extends AbstractFieldMapper<String> {
                 if (!customBoost()) {
                     field.setBoost(boost);
                 }
-                if (context.listener().beforeFieldAdded(this, field, context)) {
                 context.doc().add(field);
             }
-            }
         } catch (Exception e) {
             throw new MapperParsingException("failed to parse [" + names.fullName() + "]", e);
         }

src/test/java/org/elasticsearch/index/mapper/DynamicMappingTests.java

@@ -198,7 +198,7 @@ public class DynamicMappingTests extends ElasticsearchSingleNodeTest {
         Settings settings = ImmutableSettings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT).build();
         ParseContext.InternalParseContext ctx = new ParseContext.InternalParseContext("test", settings, parser, mapper, new ContentPath(0));
         SourceToParse source = SourceToParse.source(builder.bytes());
-        ctx.reset(XContentHelper.createParser(source.source()), new ParseContext.Document(), source, null);
+        ctx.reset(XContentHelper.createParser(source.source()), new ParseContext.Document(), source);
         assertEquals(XContentParser.Token.START_OBJECT, ctx.parser().nextToken());
         ctx.parser().nextToken();
         return DocumentParser.parseObject(ctx, mapper.root());