diff -r 80ef3a206772 -r 48780e181b38 Symbian3/SDK/Source/GUID-7068AB77-5C96-59A3-B975-7923FD843832.dita --- a/Symbian3/SDK/Source/GUID-7068AB77-5C96-59A3-B975-7923FD843832.dita Fri Jul 16 17:23:46 2010 +0100 +++ b/Symbian3/SDK/Source/GUID-7068AB77-5C96-59A3-B975-7923FD843832.dita Tue Jul 20 12:00:49 2010 +0100 @@ -1,133 +1,126 @@ - - - - - -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.

\ No newline at end of file