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MySQL 5.1: SimpleProperties::Reader Class Reference

SimpleProperties::Reader

SimpleProperties::Reader Class Reference

#include <SimpleProperties.hpp>

Inheritance diagram for SimpleProperties::Reader:


Public Member Functions
virtual	~Reader ()
bool	first ()
bool	next ()
bool	valid () const
Uint16	getKey () const
Uint16	getValueLen () const
ValueType	getValueType () const
Uint32	getUint32 () const
char *	getString (char *dst) const
void	printAll (NdbOut &ndbout)
Protected Member Functions
	Reader ()
virtual void	reset ()=0
virtual bool	step (Uint32 len)=0
virtual bool	getWord (Uint32 *dst)=0
virtual bool	peekWord (Uint32 *dst) const =0
virtual bool	peekWords (Uint32 *dst, Uint32 len) const =0
Private Member Functions
bool	readValue ()
Private Attributes
Uint16	m_key
Uint16	m_itemLen
union {
Uint32 m_ui32_value
Uint32 m_strLen
};
ValueType	m_type

Detailed Description

Reader class

Definition at line 93 of file SimpleProperties.hpp.

Constructor & Destructor Documentation

virtual SimpleProperties::Reader::~Reader ( ) [inline, virtual]

Definition at line 95 of file SimpleProperties.hpp.

00095 {}

SimpleProperties::Reader::Reader ( ) [protected]

Definition at line 90 of file SimpleProperties.cpp.

References m_itemLen.

00090                               {
00091   m_itemLen = 0;
00092 }

Member Function Documentation

bool SimpleProperties::Reader::first ( )

Move to first element Return true if element exist

Definition at line 95 of file SimpleProperties.cpp.

References m_itemLen, readValue(), and reset().

Referenced by Dbdict::createEvent_RT_USER_CREATE(), Dbdict::createEvent_RT_USER_GET(), Dbdict::execDROP_EVNT_REQ(), Dbdict::handleTabInfoInit(), operator<<(), Restore::parse_table_description(), Backup::parseTableDescription(), and printAll().

00095                              {
00096   reset();
00097   m_itemLen = 0;
00098   return readValue();
00099 }

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Uint16 SimpleProperties::Reader::getKey ( ) const

Get key Note only valid is valid() == true

Definition at line 112 of file SimpleProperties.cpp.

References m_key.

Referenced by Dbdict::execCREATE_TRIG_REQ(), Dbdict::execDROP_TRIG_REQ(), Dbdict::handleTabInfo(), Dbdict::handleTabInfoInit(), operator<<(), DbUtil::prepareOperation(), printAll(), and SimpleProperties::unpack().

00112                                     {
00113   return m_key;
00114 }

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char * SimpleProperties::Reader::getString ( char * dst ) const

Definition at line 141 of file SimpleProperties.cpp.

References m_itemLen, and peekWords().

Referenced by Dbdict::createEvent_RT_USER_CREATE(), Dbdict::createEvent_RT_USER_GET(), Dbdict::execCREATE_TRIG_REQ(), Dbdict::execDROP_EVNT_REQ(), Dbdict::execDROP_TRIG_REQ(), operator<<(), DbUtil::prepareOperation(), printAll(), and SimpleProperties::unpack().

00141                                                   {
00142   if(peekWords((Uint32*)dst, m_itemLen))
00143     return dst;
00144   return 0;
00145 }

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Uint32 SimpleProperties::Reader::getUint32 ( ) const

Get value Note only valid is valid() == true

Definition at line 136 of file SimpleProperties.cpp.

References m_ui32_value.

Referenced by operator<<(), DbUtil::prepareOperation(), printAll(), and SimpleProperties::unpack().

00136                                         {
00137   return m_ui32_value;
00138 }

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Uint16 SimpleProperties::Reader::getValueLen ( ) const

Get value length in bytes - (including terminating 0 for strings) Note only valid is valid() == true

Definition at line 117 of file SimpleProperties.cpp.

References SimpleProperties::BinaryValue, SimpleProperties::InvalidValue, m_strLen, m_type, SimpleProperties::StringValue, and SimpleProperties::Uint32Value.

Referenced by Dbdict::createEvent_RT_USER_CREATE(), Dbdict::createEvent_RT_USER_GET(), Dbdict::execDROP_EVNT_REQ(), operator<<(), DbUtil::prepareOperation(), printAll(), and SimpleProperties::unpack().

00117                                           {
00118   switch(m_type){
00119   case Uint32Value:
00120     return 4;
00121   case StringValue:
00122   case BinaryValue:
00123     return m_strLen;
00124   case InvalidValue:
00125     return 0;
00126   }
00127   return 0;
00128 }

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SimpleProperties::ValueType SimpleProperties::Reader::getValueType ( ) const

Get value type Note only valid is valid() == true

Definition at line 131 of file SimpleProperties.cpp.

References m_type.

Referenced by Dbdict::createEvent_RT_USER_CREATE(), Dbdict::createEvent_RT_USER_GET(), Dbdict::execDROP_EVNT_REQ(), operator<<(), printAll(), and SimpleProperties::unpack().

00131                                            {
00132   return m_type;
00133 }

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virtual bool SimpleProperties::Reader::getWord ( Uint32 * dst ) [protected, pure virtual]

Implemented in SimplePropertiesLinearReader, and SimplePropertiesSectionReader.

Referenced by readValue().

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bool SimpleProperties::Reader::next ( )

Move to next element Return true if element exist

Definition at line 102 of file SimpleProperties.cpp.

References readValue().

Referenced by Dbdict::createEvent_RT_USER_CREATE(), Dbdict::handleTabInfo(), operator<<(), Restore::parse_table_description(), Backup::parseTableDescription(), NdbDictInterface::parseTableInfo(), DbUtil::prepareOperation(), printAll(), and SimpleProperties::unpack().

00102                             {
00103   return readValue();
00104 }

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virtual bool SimpleProperties::Reader::peekWord ( Uint32 * dst ) const [protected, pure virtual]

Implemented in SimplePropertiesLinearReader, and SimplePropertiesSectionReader.

Referenced by readValue().

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virtual bool SimpleProperties::Reader::peekWords	(	Uint32 *	dst,
		Uint32	len
	)			const `[protected, pure virtual]`

Implemented in SimplePropertiesLinearReader, and SimplePropertiesSectionReader.

Referenced by getString().

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void SimpleProperties::Reader::printAll ( NdbOut & ndbout )

Print the complete simple properties (for debugging)

Definition at line 293 of file SimpleProperties.cpp.

References SimpleProperties::BinaryValue, first(), getKey(), getString(), getUint32(), getValueLen(), getValueType(), next(), SimpleProperties::StringValue, SimpleProperties::Uint32Value, and valid().

Referenced by Dbdict::createEvent_RT_USER_CREATE(), Dbdict::createEvent_RT_USER_GET(), Dbdict::execDROP_EVNT_REQ(), and reader().

00293                                               {
00294   char tmp[1024];
00295   for(first(); valid(); next()){
00296     switch(getValueType()){
00297     case SimpleProperties::Uint32Value:
00298       ndbout << "Key: " << getKey()
00299              << " value(" << getValueLen() << ") : " 
00300              << getUint32() << endl;
00301       break;
00302     case SimpleProperties::BinaryValue:
00303     case SimpleProperties::StringValue:
00304       if(getValueLen() < 1024){
00305         getString(tmp);
00306         ndbout << "Key: " << getKey()
00307                << " value(" << getValueLen() << ") : " 
00308                << "\"" << tmp << "\"" << endl;
00309       } else {
00310         ndbout << "Key: " << getKey()
00311                << " value(" << getValueLen() << ") : " 
00312                << "\"" << "<TOO LONG>" << "\"" << endl;
00313         
00314       }
00315       break;
00316     default:
00317       ndbout << "Unknown type for key: " << getKey() 
00318              << " type: " << (Uint32)getValueType() << endl;
00319     }
00320   }
00321 }

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bool SimpleProperties::Reader::readValue ( ) [private]

Definition at line 148 of file SimpleProperties.cpp.

References SimpleProperties::BinaryValue, getWord(), SimpleProperties::InvalidValue, m_itemLen, m_key, m_strLen, m_type, m_ui32_value, peekWord(), step(), SimpleProperties::StringValue, and SimpleProperties::Uint32Value.

Referenced by first(), and next().

00148                                  {
00149   if(!step(m_itemLen)){
00150     m_type = InvalidValue;
00151     return false;
00152   }
00153   
00154   Uint32 tmp;
00155   if(!getWord(&tmp)){
00156     m_type = InvalidValue;
00157     return false;
00158   }
00159 
00160   tmp = ntohl(tmp);
00161   m_key = tmp & 0xFFFF;
00162   m_type = (SimpleProperties::ValueType)(tmp >> 16);
00163   switch(m_type){
00164   case Uint32Value:
00165     m_itemLen = 1;
00166     if(!peekWord(&m_ui32_value))
00167       return false;
00168     m_ui32_value = ntohl(m_ui32_value);
00169     return true;
00170   case StringValue:
00171   case BinaryValue:
00172     if(!getWord(&tmp))
00173       return false;
00174     m_strLen = ntohl(tmp);
00175     m_itemLen = (m_strLen + 3)/4;
00176     return true;
00177   default:
00178     m_itemLen = 0;
00179     m_type = InvalidValue;
00180     return false;
00181   }
00182 }

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virtual void SimpleProperties::Reader::reset ( ) [protected, pure virtual]

Implemented in SimplePropertiesLinearReader, and SimplePropertiesSectionReader.

Referenced by first().

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virtual bool SimpleProperties::Reader::step ( Uint32 len ) [protected, pure virtual]

Implemented in SimplePropertiesLinearReader, and SimplePropertiesSectionReader.

Referenced by readValue().

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bool SimpleProperties::Reader::valid ( ) const

Is this valid

Definition at line 107 of file SimpleProperties.cpp.

References SimpleProperties::InvalidValue, and m_type.

Referenced by operator<<(), printAll(), and SimpleProperties::unpack().

00107                                     {
00108   return m_type != InvalidValue;
00109 }

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Member Data Documentation

union { ... } [private]

Uint16 SimpleProperties::Reader::m_itemLen [private]

Definition at line 148 of file SimpleProperties.hpp.

Referenced by first(), getString(), Reader(), and readValue().

Uint16 SimpleProperties::Reader::m_key [private]

Definition at line 147 of file SimpleProperties.hpp.

Referenced by getKey(), and readValue().

Uint32 SimpleProperties::Reader::m_strLen [private]

Definition at line 151 of file SimpleProperties.hpp.

Referenced by getValueLen(), and readValue().

ValueType SimpleProperties::Reader::m_type [private]

Definition at line 153 of file SimpleProperties.hpp.

Referenced by getValueLen(), getValueType(), readValue(), and valid().

Uint32 SimpleProperties::Reader::m_ui32_value [private]

Definition at line 150 of file SimpleProperties.hpp.

Referenced by getUint32(), and readValue().

The documentation for this class was generated from the following files:

mysql/src/5.1-dbg/storage/ndb/include/util/SimpleProperties.hpp
mysql/src/5.1-dbg/storage/ndb/src/common/util/SimpleProperties.cpp

Generated on Sat Sep 9 23:08:02 2006 for MySQL 5.1 by

1.4.7

The world's most popular open source database

SimpleProperties::Reader Class Reference

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation