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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/vespalib/datastore/entryref.h>
namespace search::memoryindex {
/**
* Interface used to track which {wordRef, docId} pairs that are inserted into a FieldIndex.
*/
class IFieldIndexInsertListener {
public:
virtual ~IFieldIndexInsertListener() {}
/**
* Called when a {wordRef, docId} tuple is inserted into the field index.
*/
virtual void insert(vespalib::datastore::EntryRef wordRef, uint32_t docId) = 0;
/**
* Called to process the set of {wordRef, docId} tuples inserted since last flush().
*/
virtual void flush() = 0;
};
}
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