+#ifndef ALIHLTGLOBALTRIGGERCONFIG_H
+#define ALIHLTGLOBALTRIGGERCONFIG_H
+/* This file is property of and copyright by the ALICE HLT Project *
+ * ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+/// @file AliHLTGlobalTriggerConfig.h
+/// @author Artur Szostak <artursz@iafrica.com>
+/// @date 28 Dec 2008
+/// @brief Declaration of the AliHLTGlobalTriggerConfig class.
+
+#include "TObject.h"
+
+class AliHLTComponentDataType;
+class AliHLTTriggerMenu;
+
+/**
+ * \class AliHLTGlobalTriggerConfig
+ * This class is a user interface class used to make it easy to create HLT global
+ * trigger configurations (trigger menus).
+ */
+class AliHLTGlobalTriggerConfig
+{
+ public:
+
+ /**
+ * Default constructor.
+ */
+ AliHLTGlobalTriggerConfig(const char* name = NULL);
+
+ /**
+ * Default destructor.
+ */
+ virtual ~AliHLTGlobalTriggerConfig();
+
+ /**
+ * Creates a new trigger menu. If a trigger menu is already active then the existing
+ * one is replaced with the new menu.
+ * \param name The name of the new trigger menu.
+ */
+ static void NewMenu(const char* name);
+
+ /**
+ * Deletes the current trigger menu.
+ */
+ static void Clear();
+
+ /**
+ * Returns the current trigger menu.
+ */
+ static const AliHLTTriggerMenu* Menu() { return fgMenu; }
+
+ /**
+ * Adds a new symbol to the current trigger menu.
+ * \param name The name of the symbol. It must be a valid C++ variable name.
+ * \param type The data type of the symbol. It must be a valid C++ data type.
+ * \param assignExpr The assignment expression for the symbol. It must be a
+ * valid C++ expression. The 'this' keyword is used as a place holder for
+ * the object found in the data block.
+ * \param defaultExpr The default value to use for the symbol. It must be a
+ * valid C++ expression.
+ * \param className The class name of the object found in the data block from
+ * which to fetch the symbol's value.
+ */
+ static void AddSymbol(
+ const char* name, const char* type, const char* assignExpr,
+ const char* defaultExpr, const char* className = "TObject"
+ );
+
+ /**
+ * Adds a new symbol to the current trigger menu.
+ * \param name The name of the symbol. It must be a valid C++ variable name.
+ * \param type The data type of the symbol. It must be a valid C++ data type.
+ * \param assignExpr The assignment expression for the symbol. It must be a
+ * valid C++ expression. The 'this' keyword is used as a place holder for
+ * the object found in the data block.
+ * \param defaultExpr The default value to use for the symbol. It must be a
+ * valid C++ expression.
+ * \param className The class name of the object found in the data block from
+ * which to fetch the symbol's value.
+ * \param blockType The data block type and origin from which to fetch the
+ * symbol's value.
+ */
+ static void AddSymbol(
+ const char* name, const char* type, const char* assignExpr,
+ const char* defaultExpr, const char* className,
+ const AliHLTComponentDataType& blockType
+ );
+
+ /**
+ * Adds a new symbol to the current trigger menu.
+ * \param name The name of the symbol. It must be a valid C++ variable name.
+ * \param type The data type of the symbol. It must be a valid C++ data type.
+ * \param assignExpr The assignment expression for the symbol. It must be a
+ * valid C++ expression. The 'this' keyword is used as a place holder for
+ * the object found in the data block.
+ * \param defaultExpr The default value to use for the symbol. It must be a
+ * valid C++ expression.
+ * \param className The class name of the object found in the data block from
+ * which to fetch the symbol's value.
+ * \param blockType The data block type and origin from which to fetch the
+ * symbol's value.
+ * \param spec The data block specification to use.
+ */
+ static void AddSymbol(
+ const char* name, const char* type, const char* assignExpr,
+ const char* defaultExpr, const char* className,
+ const AliHLTComponentDataType& blockType, UInt_t spec
+ );
+
+ /**
+ * Adds a new symbol to the current trigger menu.
+ * \param name The name of the symbol. It must be a valid C++ variable name.
+ * \param type The data type of the symbol. It must be a valid C++ data type.
+ * \param assignExpr The assignment expression for the symbol. It must be a
+ * valid C++ expression. The 'this' keyword is used as a place holder for
+ * the object found in the data block.
+ * \param defaultExpr The default value to use for the symbol. It must be a
+ * valid C++ expression.
+ * \param className The class name of the object found in the data block from
+ * which to fetch the symbol's value.
+ * \param blockType The data block type string of the data block. The value
+ * kAliHLTAnyDataTypeID can be used to specify the any type wild card value.
+ * \param origin The origin of the data block, such as the detector name.
+ * The value kAliHLTDataOriginAny can be used to specify the any origin
+ * wild card value.
+ */
+ static void AddSymbol(
+ const char* name, const char* type, const char* assignExpr,
+ const char* defaultExpr, const char* className,
+ const char* blockType, const char* origin
+ );
+
+ /**
+ * Adds a new symbol to the current trigger menu.
+ * \param name The name of the symbol. It must be a valid C++ variable name.
+ * \param type The data type of the symbol. It must be a valid C++ data type.
+ * \param assignExpr The assignment expression for the symbol. It must be a
+ * valid C++ expression. The 'this' keyword is used as a place holder for
+ * the object found in the data block.
+ * \param defaultExpr The default value to use for the symbol. It must be a
+ * valid C++ expression.
+ * \param className The class name of the object found in the data block from
+ * which to fetch the symbol's value.
+ * \param blockType The data block type string of the data block. The value
+ * kAliHLTAnyDataTypeID can be used to specify the any type wild card value.
+ * \param origin The origin of the data block, such as the detector name.
+ * The value kAliHLTDataOriginAny can be used to specify the any origin
+ * wild card value.
+ * \param spec The data block specification to use.
+ */
+ static void AddSymbol(
+ const char* name, const char* type, const char* assignExpr,
+ const char* defaultExpr, const char* className,
+ const char* blockType, const char* origin, UInt_t spec
+ );
+
+ /**
+ * Adds a new trigger menu item to the current trigger menu.
+ * \param conditionExpr The trigger condition expression. It must be a valid
+ * C++ expression, where the symbol names must be either defined in the
+ * menu or the names of AliHLTTrigger components.
+ * \param domainExpr The trigger domain merging expression. It must be a
+ * valid C++ expression, where the symbol names must be either defined in
+ * the menu or the names of AliHLTTrigger components.
+ * \param prescalar The prescalar value to use (Zero if not used).
+ * \param description Optional description string which will be used in the
+ * global result.
+ */
+ static void AddItem(
+ const char* conditionExpr, const char* domainExpr, UInt_t prescalar,
+ const char* description = NULL
+ );
+
+ /**
+ * Adds a new trigger menu item to the current trigger menu.
+ * \param conditionExpr The trigger condition expression. It must be a valid
+ * C++ expression, where the symbol names must be either defined in the
+ * menu or the names of AliHLTTrigger components.
+ * \param domainExpr The trigger domain merging expression. It must be a
+ * valid C++ expression, where the symbol names must be either defined in
+ * the menu or the names of AliHLTTrigger components.
+ * \param description Optional description string which will be used in the
+ * global result.
+ */
+ static void AddItem(
+ const char* conditionExpr, const char* domainExpr,
+ const char* description = NULL
+ );
+
+ private:
+
+ /// Not implemented. Do not allow copying of this object.
+ AliHLTGlobalTriggerConfig(const AliHLTGlobalTriggerConfig& obj);
+ /// Not implemented. Do not allow copying of this object.
+ AliHLTGlobalTriggerConfig& operator = (const AliHLTGlobalTriggerConfig& obj);
+
+ static AliHLTTriggerMenu* fgMenu; /// Trigger menu which is created by this interface class.
+
+ ClassDef(AliHLTGlobalTriggerConfig, 0) // Interface class used to construct a global HLT trigger menu configuration.
+};
+
+#endif // ALIHLTGLOBALTRIGGERCONFIG_H
+
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