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#ifndef _GEMFIRE_STATISTICS_STATISTICS_HPP_
#define _GEMFIRE_STATISTICS_STATISTICS_HPP_
/*=========================================================================
* Copyright (c) 2004-2014 Pivotal Software, Inc. All Rights Reserved.
* This product is protected by U.S. and international copyright
* and intellectual property laws. Pivotal products are covered by
* more patents listed at http://www.pivotal.io/patents.
*=========================================================================
*/
#include "../gfcpp_globals.hpp"
#include "StatisticsType.hpp"
#include "StatisticDescriptor.hpp"
/** @file
*/
namespace gemfire_statistics {
/**
* An instantiation of an existing <code>StatisticsType</code> object with methods for
* setting, incrementing and getting individual <code>StatisticDescriptor</code> values.
*/
class CPPCACHE_EXPORT Statistics {
public :
/**
* Closes these statistics. After statistics have been closed, they
* are no longer archived.
* A value access on a closed statistics always results in zero.
* A value modification on a closed statistics is ignored.
*/
virtual void close()=0;
//////////////////////// accessor Methods ///////////////////////
/**
* Returns the id of the statistic with the given name in this
* statistics instance.
*
* @param name statistic name
* @throws IllegalArgumentException
* No statistic named <code>name</code> exists in this
* statistics instance.
*
* @see StatisticsType#nameToDescriptor
*/
virtual int32 nameToId(const char* name)=0;
/**
* Returns the descriptor of the statistic with the given name in this
* statistics instance.
*
* @param name statistic name
* @throws IllegalArgumentException
* No statistic named <code>name</code> exists in this
* statistics instance.
*
* @see StatisticsType#nameToId
*/
virtual StatisticDescriptor* nameToDescriptor(const char* name)=0;
/**
* Gets a value that uniquely identifies this statistics.
*/
virtual int64 getUniqueId()=0;
/**
* Gets the {@link StatisticsType} of this instance.
*/
virtual StatisticsType* getType()=0;
/**
* Gets the text associated with this instance that helps identify it.
*/
virtual const char* getTextId()=0;
/**
* Gets the number associated with this instance that helps identify it.
*/
virtual int64 getNumericId()=0;
/**
* Returns true if modifications are atomic. This means that multiple threads
* can safely modify this instance without additional synchronization.
* <p>
* Returns false if modifications are not atomic. This means that modifications
* to this instance are cheaper but not thread safe.
* <P>
* Note that all instances that are {@link #isShared shared} are also atomic.
*/
virtual bool isAtomic()=0;
/**
* Returns true if the data for this instance is stored in shared memory.
* Returns false if the data is store in local memory.
* <P>
* Note that all instances that are {@link #isShared shared} are also atomic.
*/
virtual bool isShared()=0;
/**
* Returns true if the instance has been {@link #close closed}.
*/
virtual bool isClosed()=0;
//////////////////////// set() Methods ///////////////////////
/**
* Sets the value of a statistic with the given <code>id</code>
* whose type is <code>int</code>.
* @param id a statistic id obtained with {@link #nameToId}
* or {@link StatisticsType#nameToId}.
* @param value value to set
*
* @throws IllegalArgumentException
* If the id is invalid.
*/
virtual void setInt(int32 id, int32 value)=0;
/**
* Sets the value of a named statistic of type <code>int</code>
*
* @param name statistic name
* @param value value to set
* @throws IllegalArgumentException
* If no statistic exists named <code>name</code> or
* if the statistic with name <code>name</code> is not of
* type <code>int</code>.
*/
virtual void setInt(char* name, int32 value)=0;
/**
* Sets the value of a described statistic of type <code>int</code>
*
* @param descriptor a statistic descriptor obtained with {@link #nameToDescriptor}
* or {@link StatisticsType#nameToDescriptor}.
* @param value value to set
* @throws IllegalArgumentException
* If no statistic exists for the given <code>descriptor</code> or
* if the described statistic is not of
* type <code>int</code>.
*/
virtual void setInt(StatisticDescriptor* descriptor, int32 value)=0;
/**
* Sets the value of a statistic with the given <code>id</code>
* whose type is <code>long</code>.
* @param id a statistic id obtained with {@link #nameToId}
* or {@link StatisticsType#nameToId}.
* @param value value to set
*
* @throws IllegalArgumentException
* If the id is invalid.
*/
virtual void setLong(int32 id, int64 value) = 0;
/**
* Sets the value of a described statistic of type <code>long</code>
*
* @param descriptor a statistic descriptor obtained with {@link #nameToDescriptor}
* or {@link StatisticsType#nameToDescriptor}.
* @param value value to set
* @throws IllegalArgumentException
* If no statistic exists for the given <code>descriptor</code> or
* if the described statistic is not of
* type <code>long</code>.
*/
virtual void setLong(StatisticDescriptor* descriptor, int64 value)=0;
/**
* Sets the value of a named statistic of type <code>long</code>.
*
* @param name statistic name
* @param value value to set
* @throws IllegalArgumentException
* If no statistic exists named <code>name</code> or
* if the statistic with name <code>name</code> is not of
* type <code>long</code>.
*/
virtual void setLong(char* name, int64 value)=0;
/**
* Sets the value of a statistic with the given <code>id</code>
* whose type is <code>double</code>.
* @param id a statistic id obtained with {@link #nameToId}
* or {@link StatisticsType#nameToId}.
* @param value value to set
*
* @throws IllegalArgumentException
* If the id is invalid.
*/
virtual void setDouble(int32 id, double value)=0;
/**
* Sets the value of a described statistic of type <code>double</code>
*
* @param descriptor a statistic descriptor obtained with {@link #nameToDescriptor}
* or {@link StatisticsType#nameToDescriptor}.
* @param value value to set
* @throws IllegalArgumentException
* If no statistic exists for the given <code>descriptor</code> or
* if the described statistic is not of
* type <code>double</code>.
*/
virtual void setDouble(StatisticDescriptor* descriptor, double value)=0;
/**
* Sets the value of a named statistic of type <code>double</code>.
*
* @param name statistic name
* @param value value to set
* @throws IllegalArgumentException
* If no statistic exists named <code>name</code> or
* if the statistic with name <code>name</code> is not of
* type <code>double</code>.
*/
virtual void setDouble(char* name, double value)=0;
/////////////////////// get() Methods ///////////////////////
/**
* Returns the value of the identified statistic of type <code>int</code>.
*
* @param id a statistic id obtained with {@link #nameToId}
* or {@link StatisticsType#nameToId}.
* @throws IllegalArgumentException
* If the id is invalid.
*/
virtual int32 getInt(int32 id)=0;
/**
* Returns the value of the described statistic of type <code>int</code>.
*
* @param descriptor a statistic descriptor obtained with {@link #nameToDescriptor}
* or {@link StatisticsType#nameToDescriptor}.
* @throws IllegalArgumentException
* If no statistic exists with the specified <code>descriptor</code> or
* if the described statistic is not of
* type <code>int</code>.
*/
virtual int32 getInt(StatisticDescriptor* descriptor)=0;
/**
* Returns the value of the statistic of type <code>int</code> at
* the given name.
* @param name statistic name
*
* @throws IllegalArgumentException
* If no statistic exists with name <code>name</code> or
* if the statistic named <code>name</code> is not of
* type <code>int</code>.
*/
virtual int32 getInt(char* name)=0;
/**
* Returns the value of the identified statistic of type <code>long</code>.
*
* @param id a statistic id obtained with {@link #nameToId}
* or {@link StatisticsType#nameToId}.
* @throws IllegalArgumentException
* If the id is invalid.
*/
virtual int64 getLong(int32 id)=0;
/**
* Returns the value of the described statistic of type <code>long</code>.
*
* @param descriptor a statistic descriptor obtained with {@link #nameToDescriptor}
* or {@link StatisticsType#nameToDescriptor}.
* @throws IllegalArgumentException
* If no statistic exists with the specified <code>descriptor</code> or
* if the described statistic is not of
* type <code>long</code>.
*/
virtual int64 getLong(StatisticDescriptor* descriptor)=0;
/**
* Returns the value of the statistic of type <code>long</code> at
* the given name.
*
* @param name statistic name
* @throws IllegalArgumentException
* If no statistic exists with name <code>name</code> or
* if the statistic named <code>name</code> is not of
* type <code>long</code>.
*/
virtual int64 getLong(char* name)=0;
/**
* Returns the value of the identified statistic of type <code>double</code>.
*
* @param id a statistic id obtained with {@link #nameToId}
* or {@link StatisticsType#nameToId}.
* @throws IllegalArgumentException
* If the id is invalid.
*/
virtual double getDouble(int32 id)=0;
/**
* Returns the value of the described statistic of type <code>double</code>.
*
* @param descriptor a statistic descriptor obtained with {@link #nameToDescriptor}
* or {@link StatisticsType#nameToDescriptor}.
* @throws IllegalArgumentException
* If no statistic exists with the specified <code>descriptor</code> or
* if the described statistic is not of
* type <code>double</code>.
*/
virtual double getDouble(StatisticDescriptor* descriptor)=0;
/**
* Returns the value of the statistic of type <code>double</code> at
* the given name.
* @param name statistic name
*
* @throws IllegalArgumentException
* If no statistic exists with name <code>name</code> or
* if the statistic named <code>name</code> is not of
* type <code>double</code>.
*/
virtual double getDouble(char* name)=0;
/**
* Returns the value of the identified statistic.
*
* @param descriptor a statistic descriptor obtained with {@link #nameToDescriptor}
* or {@link StatisticsType#nameToDescriptor}.
* @throws IllegalArgumentException
* If the described statistic does not exist
*/
// virtual Number get(StatisticDescriptor* descriptor)=0;
/**
* Returns the value of the named statistic.
*
* @throws IllegalArgumentException
* If the named statistic does not exist
*/
// virtual Number get(char* name)=0;
/**
* Returns the bits that represent the raw value of the described statistic.
*
* @param descriptor a statistic descriptor obtained with {@link #nameToDescriptor}
* or {@link StatisticsType#nameToDescriptor}.
* @throws IllegalArgumentException
* If the described statistic does not exist
*/
virtual int64 getRawBits(StatisticDescriptor* descriptor)=0;
/**
* Returns the bits that represent the raw value of the named statistic.
*
* @throws IllegalArgumentException
* If the named statistic does not exist
*/
// virtual double getRawBits(char* name)=0;
//////////////////////// inc() Methods ////////////////////////
/**
* Increments the value of the identified statistic of type <code>int</code>
* by the given amount.
*
* @param id a statistic id obtained with {@link #nameToId}
* or {@link StatisticsType#nameToId}.
* @param delta change value to be added
*
* @return The value of the statistic after it has been incremented
*
* @throws IllegalArgumentException
* If the id is invalid.
*/
virtual int32 incInt(int32 id, int32 delta)=0;
/**
* Increments the value of the described statistic of type <code>int</code>
* by the given amount.
* @param descriptor a statistic descriptor obtained with {@link #nameToDescriptor}
* or {@link StatisticsType#nameToDescriptor}.
* @param delta change value to be added
* @return The value of the statistic after it has been incremented
*
* @throws IllegalArgumentException
* If no statistic exists with the given <code>descriptor</code> or
* if the described statistic is not of
* type <code>int</code>.
*/
virtual int32 incInt(StatisticDescriptor* descriptor, int32 delta)=0;
/**
* Increments the value of the statistic of type <code>int</code> with
* the given name by a given amount.
* @param name statistic name
* @param delta change value to be added
* @return The value of the statistic after it has been incremented
*
* @throws IllegalArgumentException
* If no statistic exists with name <code>name</code> or
* if the statistic named <code>name</code> is not of
* type <code>int</code>.
*/
virtual int32 incInt(char* name, int32 delta)=0;
/**
* Increments the value of the identified statistic of type <code>long</code>
* by the given amount.
*
* @param id a statistic id obtained with {@link #nameToId}
* or {@link StatisticsType#nameToId}.
* @param delta change value to be added
*
* @return The value of the statistic after it has been incremented
*
* @throws IllegalArgumentException
* If the id is invalid.
*/
virtual int64 incLong(int32 id, int64 delta)=0;
/**
* Increments the value of the described statistic of type <code>long</code>
* by the given amount.
*
* @param descriptor a statistic descriptor obtained with {@link #nameToDescriptor}
* or {@link StatisticsType#nameToDescriptor}.
* @param delta change value to be added
* @return The value of the statistic after it has been incremented
*
* @throws IllegalArgumentException
* If no statistic exists with the given <code>descriptor</code> or
* if the described statistic is not of
* type <code>long</code>.
*/
virtual int64 incLong(StatisticDescriptor* descriptor, int64 delta)=0;
/**
* Increments the value of the statistic of type <code>long</code> with
* the given name by a given amount.
*
* @param name statistic name
* @param delta change value to be added
* @return The value of the statistic after it has been incremented
*
* @throws IllegalArgumentException
* If no statistic exists with name <code>name</code> or
* if the statistic named <code>name</code> is not of
* type <code>long</code>.
*/
virtual int64 incLong(char* name, int64 delta)=0;
/**
* Increments the value of the identified statistic of type <code>double</code>
* by the given amount.
*
* @param id a statistic id obtained with {@link #nameToId}
* or {@link StatisticsType#nameToId}.
* @param delta change value to be added
*
* @return The value of the statistic after it has been incremented
*
* @throws IllegalArgumentException
* If the id is invalid.
*/
virtual double incDouble(int32 id, double delta)=0;
/**
* Increments the value of the described statistic of type <code>double</code>
* by the given amount.
* @param descriptor a statistic descriptor obtained with {@link #nameToDescriptor}
* or {@link StatisticsType#nameToDescriptor}.
* @param delta change value to be added
*
* @return The value of the statistic after it has been incremented
*
* @throws IllegalArgumentException
* If no statistic exists with the given <code>descriptor</code> or
* if the described statistic is not of
* type <code>double</code>.
*/
virtual double incDouble(StatisticDescriptor* descriptor, double delta)=0;
/**
* Increments the value of the statistic of type <code>double</code> with
* the given name by a given amount.
* @param name statistic name
* @param delta change value to be added
*
* @return The value of the statistic after it has been incremented
*
* @throws IllegalArgumentException
* If no statistic exists with name <code>name</code> or
* if the statistic named <code>name</code> is not of
* type <code>double</code>.
*/
virtual double incDouble(char* name, double delta)=0;
protected:
/**
* Destructor is protected to prevent direct deletion. Use close().
*/
virtual ~Statistics()=0;
};//class
};//namespace
#endif // _GEMFIRE_STATISTICS_STATISTICS_HPP_