1 files changed, 144 insertions, 0 deletions
diff --git a/3rdparty/clucene/src/CLucene/search/FieldCacheImpl.h b/3rdparty/clucene/src/CLucene/search/FieldCacheImpl.h
new file mode 100644
index 000000000..ac3c4cabc
--- /dev/null
+++ b/3rdparty/clucene/src/CLucene/search/FieldCacheImpl.h
@@ -0,0 +1,144 @@
+/*------------------------------------------------------------------------------
+* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
+* 
+* Distributable under the terms of either the Apache License (Version 2.0) or 
+* the GNU Lesser General Public License, as specified in the COPYING file.
+------------------------------------------------------------------------------*/
+#ifndef _lucene_search_FieldCacheImpl_
+#define _lucene_search_FieldCacheImpl_
+
+#if defined(_LUCENE_PRAGMA_ONCE)
+# pragma once
+#endif
+
+#include "CLucene/index/IndexReader.h"
+#include "FieldCache.h"
+#include "Sort.h"
+
+
+CL_NS_DEF(search)
+
+
+/**
+ * Expert: The default cache implementation, storing all values in memory.
+ *
+ */
+class FieldCacheImpl: public FieldCache {
+public:
+  	DEFINE_MUTEX(THIS_LOCK)
+  
+	/** Expert: Every key in the internal cache is of this type. */
+	class FileEntry:LUCENE_BASE {
+		const TCHAR* field;        // which Field
+		int32_t type;            // which SortField type
+		SortComparatorSource* custom;       // which custom comparator
+		size_t _hashCode;
+	public:
+		/** Creates one of these objects. */
+		FileEntry (const TCHAR* field, int32_t type);
+	   
+		/** Creates one of these objects for a custom comparator. */
+		FileEntry (const TCHAR* field, SortComparatorSource* custom);
+		~FileEntry();
+
+		int32_t getType() const{ return type; }
+	   
+		/** Two of these are equal iff they reference the same field and type. */
+		bool equals (FileEntry* other) const;
+	   
+		/** Composes a hashcode based on the field and type. */
+		size_t hashCode();
+
+		int32_t compareTo(const FileEntry* other) const;
+
+        class Compare:LUCENE_BASE, public CL_NS(util)::Compare::_base //<Term*>
+		{
+		public:
+			bool operator()( FileEntry* f1, FileEntry* f2 ) const{
+				return ( f1->compareTo(f2) < 0 );
+			}
+			size_t operator()( FileEntry* t ) const{
+				return t->hashCode();
+			}
+		};
+		class Equals:LUCENE_BASE, public CL_NS(util)::Compare::_base //<Term*>
+		{
+		public:
+			bool operator()( FileEntry* f1, FileEntry* f2 ) const{
+				return ( f1->compareTo(f2) == 0 );
+			}
+		};
+	}; 
+
+    FieldCacheImpl();
+    ~FieldCacheImpl();
+private:
+	
+	///the type that is stored in the field cache. can't use a typedef because
+	///the decorated name would become too long
+	class fieldcacheCacheReaderType: public CL_NS(util)::CLHashMap<FileEntry*,
+		FieldCacheAuto*, 
+        FileEntry::Compare,
+        FileEntry::Equals,
+		CL_NS(util)::Deletor::Object<FileEntry>, 
+		CL_NS(util)::Deletor::Object<FieldCacheAuto> >{
+	public:
+		fieldcacheCacheReaderType();
+		~fieldcacheCacheReaderType();
+	};
+
+	//note: typename gets too long if using cacheReaderType as a typename
+	typedef CL_NS(util)::CLHashMap<CL_NS(index)::IndexReader*, 
+		fieldcacheCacheReaderType*, 
+		CL_NS(util)::Compare::Void<CL_NS(index)::IndexReader>,
+		CL_NS(util)::Equals::Void<CL_NS(index)::IndexReader>,
+		CL_NS(util)::Deletor::Object<CL_NS(index)::IndexReader>, 
+		CL_NS(util)::Deletor::Object<fieldcacheCacheReaderType> > fieldcacheCacheType; 
+
+  /** The internal cache. Maps FileEntry to array of interpreted term values. **/
+  //todo: make indexreader remove itself from here when the reader is shut
+  fieldcacheCacheType cache;
+  
+  /** See if an object is in the cache. */
+  FieldCacheAuto* lookup (CL_NS(index)::IndexReader* reader, const TCHAR* field, int32_t type) ;
+ 
+  /** See if a custom object is in the cache. */
+  FieldCacheAuto* lookup (CL_NS(index)::IndexReader* reader, const TCHAR* field, SortComparatorSource* comparer);
+
+  /** Put an object into the cache. */
+  void store (CL_NS(index)::IndexReader* reader, const TCHAR* field, int32_t type, FieldCacheAuto* value);
+
+  /** Put a custom object into the cache. */
+  void store (CL_NS(index)::IndexReader* reader, const TCHAR* field, SortComparatorSource* comparer, FieldCacheAuto* value);
+  
+public:
+
+  // inherit javadocs
+  FieldCacheAuto* getInts (CL_NS(index)::IndexReader* reader, const TCHAR* field);
+
+  // inherit javadocs
+  FieldCacheAuto* getFloats (CL_NS(index)::IndexReader* reader, const TCHAR* field);
+
+  // inherit javadocs
+  FieldCacheAuto* getStrings (CL_NS(index)::IndexReader* reader, const TCHAR* field);
+
+  // inherit javadocs
+  FieldCacheAuto* getStringIndex (CL_NS(index)::IndexReader* reader, const TCHAR* field);
+
+  // inherit javadocs
+  FieldCacheAuto* getAuto (CL_NS(index)::IndexReader* reader, const TCHAR* field);
+
+  // inherit javadocs
+  FieldCacheAuto* getCustom (CL_NS(index)::IndexReader* reader, const TCHAR* field, SortComparator* comparator);
+
+
+	/**
+	* Callback for when IndexReader closes. This causes
+	* any cache to be removed for the specified reader.
+	*/
+	static void closeCallback(CL_NS(index)::IndexReader* reader, void* fieldCacheImpl);
+};
+
+
+CL_NS_END
+#endif