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Do not cache the QueryShardContext in PercolatorFieldMapper: it is cheap to create.

This commit is contained in:
Adrien Grand 2016-11-15 15:05:23 +01:00
parent aa871f839a
commit df4482fdc8
1 changed files with 1 additions and 21 deletions
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22
modules/percolator/src/main/java/org/elasticsearch/percolator/PercolatorFieldMapper.java
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@ -234,33 +234,13 @@ public class PercolatorFieldMapper extends FieldMapper {
KeywordFieldMapper queryTermsField, KeywordFieldMapper extractionResultField,
BinaryFieldMapper queryBuilderField) {
super(simpleName, fieldType, defaultFieldType, indexSettings, multiFields, copyTo);
this.queryShardContext = new QueryShardContextSupplierCache(queryShardContext);
this.queryShardContext = queryShardContext;
this.queryTermsField = queryTermsField;
this.extractionResultField = extractionResultField;
this.queryBuilderField = queryBuilderField;
this.mapUnmappedFieldAsString = INDEX_MAP_UNMAPPED_FIELDS_AS_STRING_SETTING.get(indexSettings);
}
private static class QueryShardContextSupplierCache implements Supplier<QueryShardContext> {
private final Supplier<QueryShardContext> supplier;
private volatile QueryShardContext context;
QueryShardContextSupplierCache(Supplier<QueryShardContext> supplier) {
this.supplier = supplier;
}
@Override
public QueryShardContext get() {
QueryShardContext context = this.context;
if (context == null) {
context = this.context = supplier.get();
}
// return a copy
return new QueryShardContext(context);
}
}
@Override
public FieldMapper updateFieldType(Map<String, MappedFieldType> fullNameToFieldType) {
PercolatorFieldMapper updated = (PercolatorFieldMapper) super.updateFieldType(fullNameToFieldType);