diff -r 4816d766a08a -r f345bda72bc4 Symbian3/PDK/Source/GUID-7068AB77-5C96-59A3-B975-7923FD843832.dita --- a/Symbian3/PDK/Source/GUID-7068AB77-5C96-59A3-B975-7923FD843832.dita Tue Mar 30 11:42:04 2010 +0100 +++ b/Symbian3/PDK/Source/GUID-7068AB77-5C96-59A3-B975-7923FD843832.dita Tue Mar 30 11:56:28 2010 +0100 @@ -1,133 +1,133 @@ - - - - - -Hash -Table - Using Hash Table ClassesThis example application demonstrates some uses of the Hash Table -APIs of the User Library component -

Hash table is used to construct the following:

- -

The example also demonstrates performing different operations on these -hash sets/maps, such as, inserting, finding, iterating, and removing items. -A set implements an unordered extensional set of objects and a map implements -an associative array with key and value type using probe sequence hash table.

-

The overview contains the following sections:

- -
Download

Click -on the following link to download the example: HashTableExample.zip

Click: browse to view the example code.

-
Description

Hash set

The -application constructs a hash set by using the default hash and identity function -for integers and descriptors using the RHashSet template -class, and constructs another hash set by providing a defined custom hash -and identity functions.

The application applies the following operations -to the hash set:

    -

  • Inserting items using -the RHashSet::Insert() function

    • -

  • Finding items using -the RHashSet::Find() function

    • -

  • Iterating items using -the RHashSet::TIter class

    • -

  • Removing items using -the RHashSet::Remove() function

    • -

Related APIs

    -

  • RHashSet::Find()

    • -

  • RHashSet::Insert()

    • -

  • RHashSet::Remove()

    • -

  • RHashSet::TIter - A class which allows iteration -over the elements of a RHashSetclass.

    • -

Hash set of pointers

The -application constructs a hash set of pointers using the default hash and identity -function for integers and descriptors using the RPtrHashSet template -class, and constructs another hash set of pointers by providing a defined -custom hash and identity functions.

The application applies the following -operations to the hash set of pointers:

    -

  • Inserting items using -the RPtrHashSet::Insert() function

    • -

  • Finding items using -the RPtrHashSet::Find() function

    • -

  • Iterating items using -the RPtrHashSet::TIter class

    • -

  • Removing items using -the RPtrHashSet::Remove() function

    • -

Related APIs

    -

  • RPtrHashSet::Find()

    • -

  • RPtrHashSet::Insert()

    • -

  • RPtrHashSet::Remove()

    • -

  • RPtrHashSet::TIter - A class which allows iteration -over the elements of a RPtrHashSet class

    • -

Hash map

The -application constructs a hash map using the default hash and identity function -for integers and descriptors using the RHashMap template -class, and constructs another hash map by providing a defined custom hash -and identity functions.

The application applies the following operations -to the hash map:

    -

  • Inserting items using -the RHashMap::Insert() function

    • -

  • Finding items using -the RHashMap::Find() function

    • -

  • Iterating items using -the RHashMap::TIter class

    • -

  • Removing items using -the RHashMap::Remove() function

    • -
    -

  • RHashMap::Find()

    • -

  • RHashMap::Insert()

    • -

  • RHashMap::Remove()

    • -

  • RHashMap::TIter - A class which allows iteration -over the elements of a RHashMap class.

    • -

Hash map of pointers

The -application constructs a hash map of pointers using the default hash and identity -function for integers and descriptors using the RPtrHashMap template -class, and constructs another hash map of pointers by providing a defined -custom hash and identity functions.

The application applies the following -operations to the hash map of pointers:

    -

  • Inserting items using -the RPtrHashMap::Insert() function

    • -

  • Finding items using -the RPtrHashMap::Find() function

    • -

  • Iterating items using -the RPtrHashMap::TIter class

    • -

  • Removing items using -the RPtrHashMap::Remove() function

    • -

Related APIs

    -

  • RPtrHashMap::Find()

    • -

  • RPtrHashMap::Insert()

    • -

  • RPtrHashMap::Remove()

    • -

  • RPtrHashMap::TIter - A class which allows iteration -over the elements of a RPtrHashMap class.

    • -
-
Class summary
    -

  • DefaultHash - A set of common hashing functions -for frequently occurring types.

    • -

  • DefaultIdentity - A set of common identity relations -for frequently occurring types.

    • -

  • THashFunctions32

    • -

  • TIdentityRelation

    • -

  • RHashSet

    • -

  • RPtrHashMap

    • -
-
Build

The Symbian build process describes -how to build an application.

The HashTableExample builds an executable -called hashtableexample.exe in the standard location -(\epoc32\release\winscw\<build_variant> for CodeWarrior). -After launching the executable, depending on the emulator you are using, you -may need to navigate away from the application launcher/shell screen to view -the console.

+ + + + + +Hash +Table - Using Hash Table ClassesThis example application demonstrates some uses of the Hash Table +APIs of the User Library component +

Hash table is used to construct the following:

+
    +

  • Hash Set

    • +

  • Hash set of pointers

    • +

  • Hash map

    • +

  • Hash map of pointers

    • +
+

The example also demonstrates performing different operations on these +hash sets/maps, such as, inserting, finding, iterating, and removing items. +A set implements an unordered extensional set of objects and a map implements +an associative array with key and value type using probe sequence hash table.

+

The overview contains the following sections:

+
    +

  • Download

    • +

  • Description

    • +

  • Class summary

    • +

  • Build

    • +
+
Download

Click +on the following link to download the example: HashTableExample.zip

Click: browse to view the example code.

+
Description

Hash set

The +application constructs a hash set by using the default hash and identity function +for integers and descriptors using the RHashSet template +class, and constructs another hash set by providing a defined custom hash +and identity functions.

The application applies the following operations +to the hash set:

    +

  • Inserting items using +the RHashSet::Insert() function

    • +

  • Finding items using +the RHashSet::Find() function

    • +

  • Iterating items using +the RHashSet::TIter class

    • +

  • Removing items using +the RHashSet::Remove() function

    • +

Related APIs

    +

  • RHashSet::Find()

    • +

  • RHashSet::Insert()

    • +

  • RHashSet::Remove()

    • +

  • RHashSet::TIter - A class which allows iteration +over the elements of a RHashSetclass.

    • +

Hash set of pointers

The +application constructs a hash set of pointers using the default hash and identity +function for integers and descriptors using the RPtrHashSet template +class, and constructs another hash set of pointers by providing a defined +custom hash and identity functions.

The application applies the following +operations to the hash set of pointers:

    +

  • Inserting items using +the RPtrHashSet::Insert() function

    • +

  • Finding items using +the RPtrHashSet::Find() function

    • +

  • Iterating items using +the RPtrHashSet::TIter class

    • +

  • Removing items using +the RPtrHashSet::Remove() function

    • +

Related APIs

    +

  • RPtrHashSet::Find()

    • +

  • RPtrHashSet::Insert()

    • +

  • RPtrHashSet::Remove()

    • +

  • RPtrHashSet::TIter - A class which allows iteration +over the elements of a RPtrHashSet class

    • +

Hash map

The +application constructs a hash map using the default hash and identity function +for integers and descriptors using the RHashMap template +class, and constructs another hash map by providing a defined custom hash +and identity functions.

The application applies the following operations +to the hash map:

    +

  • Inserting items using +the RHashMap::Insert() function

    • +

  • Finding items using +the RHashMap::Find() function

    • +

  • Iterating items using +the RHashMap::TIter class

    • +

  • Removing items using +the RHashMap::Remove() function

    • +
    +

  • RHashMap::Find()

    • +

  • RHashMap::Insert()

    • +

  • RHashMap::Remove()

    • +

  • RHashMap::TIter - A class which allows iteration +over the elements of a RHashMap class.

    • +

Hash map of pointers

The +application constructs a hash map of pointers using the default hash and identity +function for integers and descriptors using the RPtrHashMap template +class, and constructs another hash map of pointers by providing a defined +custom hash and identity functions.

The application applies the following +operations to the hash map of pointers:

    +

  • Inserting items using +the RPtrHashMap::Insert() function

    • +

  • Finding items using +the RPtrHashMap::Find() function

    • +

  • Iterating items using +the RPtrHashMap::TIter class

    • +

  • Removing items using +the RPtrHashMap::Remove() function

    • +

Related APIs

    +

  • RPtrHashMap::Find()

    • +

  • RPtrHashMap::Insert()

    • +

  • RPtrHashMap::Remove()

    • +

  • RPtrHashMap::TIter - A class which allows iteration +over the elements of a RPtrHashMap class.

    • +
+
Class summary
    +

  • DefaultHash - A set of common hashing functions +for frequently occurring types.

    • +

  • DefaultIdentity - A set of common identity relations +for frequently occurring types.

    • +

  • THashFunctions32

    • +

  • TIdentityRelation

    • +

  • RHashSet

    • +

  • RPtrHashMap

    • +
+
Build

The Symbian build process describes +how to build an application.

The HashTableExample builds an executable +called hashtableexample.exe in the standard location +(\epoc32\release\winscw\<build_variant> for CodeWarrior). +After launching the executable, depending on the emulator you are using, you +may need to navigate away from the application launcher/shell screen to view +the console.

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