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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>cc_hash_max_collision_check_resize_trigger Interface </title> </head> <body> <h1> <tt>cc_hash_max_collision_check_resize_trigger </tt> Interface </h1> <p>A resize trigger policy based on collision checks. It keeps the simulated load factor lower than some given load factor. </p> <ol> <li> <a href = "../../../../include/ext/pb_assoc/hash_policy.hpp"><tt>hash_policy.hpp</tt> </a> </li> <li> <a href = "#link1">Template parameters. </a> </li> <li> Public Types and Constants: <ol> <li> <a href = "#link2">General definitions. </a> </li> </ol> </li> <li> Public Methods: <ol> <li> <a href = "#link3">Constructors, destructor, and related. </a> </li> <li> <a href = "#link4">Load access methods. </a> </li> </ol> </li> <li> Protected Methods: <ol> <li> <a href = "#link5">Insert search notifications. </a> </li> <li> <a href = "#link6">Find search notifications. </a> </li> <li> <a href = "#link7">Erase search notifications. </a> </li> <li> <a href = "#link8">Content change notifications. </a> </li> <li> <a href = "#link9">Size change notifications. </a> </li> <li> <a href = "#link10">Queries. </a> </li> </ol> </li> </ol> <h2> <a name = "link1">Template parameters. </a> </h2> <table WIDTH = "100%" BORDER = "1"> <TR><TD Width = "20%" ALIGN = "left"><b>Parameter</b></TD><TD Width = "50%" ALIGN = "left"><b>Description</b></TD><TD Width = "30%" ALIGN = "left"><b>Default Value</b></TD></TR> <tr> <td> <pre><a name = "External_Load_Access3735929540">External_Load_Access</a></pre> </td> <td> <p>Specifies whether the load factor can be accessed externally. The two options have different tradeoffs in terms of flexibility, genericity, and encapsulation.</p> </td> <td> <tt><b>false</b></tt> </td> </tr> <tr> <td> <pre><a name = "Size_Type3735929483">Size_Type</a></pre> </td> <td> <p>Size type.</p> </td> <td> size_t </td> </tr> </table> <h2> <a name = "link2">General definitions. </a> </h2> <table WIDTH = "100%" BORDER = "1"> <TR><TD Width = "30%" ALIGN = "left"><b>Type</b></TD><TD Width = "55%" ALIGN = "left"><b>Definition</b></TD><TD Width = "15%" ALIGN = "left"><b>Description</b></TD></TR> <tr> <td> <pre><a name = "size_type3735929547">size_type</a></pre> </td> <td> <pre><a href = "#Size_Type3735929483">Size_Type</a></pre> </td> <td> <p>Size type.</p> </td> </tr> <tr> <td> <pre><a name = "external_load_access3735929604">external_load_access</a></pre> </td> <td> <pre><a href = "#External_Load_Access3735929540">External_Load_Access</a></pre> </td> <td> <p>Indicates whether loads can be accessed externally</p> </td> </tr> </table> <h2> <a name = "link3">Constructors, destructor, and related. </a> </h2> <table WIDTH = "100%" BORDER = "1"> <TR><TD Width = "45%" ALIGN = "left"><b>Method</b></TD><TD Width = "55%" ALIGN = "left"><b>Description</b></TD></TR> <tr> <td> <pre> cc_hash_max_collision_check_resize_trigger (float load = 0.5)</pre> </td> <td> <p>Default constructor, or constructor taking <font color = "#666666"><tt>load</tt></font>, a load factor which it will attempt to maintain.</p> </td> </tr> <tr> <td> <pre><b>void</b> swap (<font color = "olive">cc_hash_max_collision_check_resize_trigger</font> &r_other)</pre> </td> <td> <p>Swaps content.</p> </td> </tr> </table> <h2> <a name = "link4">Load access methods. </a> </h2> <p> These methods are only available if the external access parameter is set.</p> <table WIDTH = "100%" BORDER = "1"> <TR><TD Width = "45%" ALIGN = "left"><b>Method</b></TD><TD Width = "55%" ALIGN = "left"><b>Description</b></TD></TR> <tr> <td> <pre><b>inline</b> float get_load () <b>const</b></pre> </td> <td> <p>Returns a pair of the minimal and maximal loads, respectively.</p> <p>Calling this method will not compile when <a href = "#External_Load_Access3735929540"><tt>External_Load_Access</tt></a> == <tt><b>false</b></tt>.</p> </td> </tr> </table> <h2> <a name = "link5">Insert search notifications. </a> </h2> <p>Notifications called during an insert operation.</p> <table WIDTH = "100%" BORDER = "1"> <TR><TD Width = "45%" ALIGN = "left"><b>Method</b></TD><TD Width = "55%" ALIGN = "left"><b>Description</b></TD></TR> <tr> <td> <pre><b>inline</b> <b>void</b> notify_insert_search_start ()</pre> </td> <td> <p>Notifies a search started.</p> </td> </tr> <tr> <td> <pre><b>inline</b> <b>void</b> notify_insert_search_collision ()</pre> </td> <td> <p>Notifies a search encountered a collision.</p> </td> </tr> <tr> <td> <pre><b>inline</b> <b>void</b> notify_insert_search_end ()</pre> </td> <td> <p>Notifies a search ended.</p> </td> </tr> </table> <h2> <a name = "link6">Find search notifications. </a> </h2> <p>Notifications called during a find operation.</p> <table WIDTH = "100%" BORDER = "1"> <TR><TD Width = "45%" ALIGN = "left"><b>Method</b></TD><TD Width = "55%" ALIGN = "left"><b>Description</b></TD></TR> <tr> <td> <pre><b>inline</b> <b>void</b> notify_find_search_start ()</pre> </td> <td> <p>Notifies a search started.</p> </td> </tr> <tr> <td> <pre><b>inline</b> <b>void</b> notify_find_search_collision ()</pre> </td> <td> <p>Notifies a search encountered a collision.</p> </td> </tr> <tr> <td> <pre><b>inline</b> <b>void</b> notify_find_search_end ()</pre> </td> <td> <p>Notifies a search ended.</p> </td> </tr> </table> <h2> <a name = "link7">Erase search notifications. </a> </h2> <p>Notifications called during an insert operation.</p> <table WIDTH = "100%" BORDER = "1"> <TR><TD Width = "45%" ALIGN = "left"><b>Method</b></TD><TD Width = "55%" ALIGN = "left"><b>Description</b></TD></TR> <tr> <td> <pre><b>inline</b> <b>void</b> notify_erase_search_start ()</pre> </td> <td> <p>Notifies a search started.</p> </td> </tr> <tr> <td> <pre><b>inline</b> <b>void</b> notify_erase_search_collision ()</pre> </td> <td> <p>Notifies a search encountered a collision.</p> </td> </tr> <tr> <td> <pre><b>inline</b> <b>void</b> notify_erase_search_end ()</pre> </td> <td> <p>Notifies a search ended.</p> </td> </tr> </table> <h2> <a name = "link8">Content change notifications. </a> </h2> <p>Notifications called when the content of the table changes in a way that can affect the resize policy.</p> <table WIDTH = "100%" BORDER = "1"> <TR><TD Width = "45%" ALIGN = "left"><b>Method</b></TD><TD Width = "55%" ALIGN = "left"><b>Description</b></TD></TR> <tr> <td> <pre><b>inline</b> <b>void</b> notify_inserted (<a href = "#size_type3735929547">size_type</a> num_entries)</pre> </td> <td> <p>Notifies an element was inserted.</p> </td> </tr> <tr> <td> <pre><b>inline</b> <b>void</b> notify_erased (<a href = "#size_type3735929547">size_type</a> num_entries)</pre> </td> <td> <p>Notifies an element was erased.</p> </td> </tr> <tr> <td> <pre><b>void</b> notify_cleared ()</pre> </td> <td> <p>Notifies the table was cleared.</p> </td> </tr> </table> <h2> <a name = "link9">Size change notifications. </a> </h2> <p>Notifications called when the table changes size.</p> <table WIDTH = "100%" BORDER = "1"> <TR><TD Width = "45%" ALIGN = "left"><b>Method</b></TD><TD Width = "55%" ALIGN = "left"><b>Description</b></TD></TR> <tr> <td> <pre><b>void</b> notify_resized (<a href = "#size_type3735929547">size_type</a> new_size)</pre> </td> <td> <p>Notifies the table was resized as a result of this object's signifying that a resize is needed.</p> </td> </tr> <tr> <td> <pre><b>void</b> notify_externally_resized (<a href = "#size_type3735929547">size_type</a> new_size)</pre> </td> <td> <p>Notifies the table was resized externally.</p> </td> </tr> </table> <h2> <a name = "link10">Queries. </a> </h2> <p>Called to query whether/how to resize.</p> <table WIDTH = "100%" BORDER = "1"> <TR><TD Width = "45%" ALIGN = "left"><b>Method</b></TD><TD Width = "55%" ALIGN = "left"><b>Description</b></TD></TR> <tr> <td> <pre><b>inline</b> <b>bool</b> is_resize_needed () <b>const</b></pre> </td> <td> <p>Queries whether a resize is needed.</p> </td> </tr> <tr> <td> <pre><b>inline</b> <b>bool</b> is_grow_needed (<a href = "#size_type3735929547">size_type</a> size, <a href = "#size_type3735929547">size_type</a> num_entries) <b>const</b></pre> </td> <td> <p>Queries whether a grow is needed.</p> <p>This method is called only if this object indicated is needed.</p> </td> </tr> <tr> <td> <pre><b>inline</b> <b>bool</b> is_shrink_needed (<a href = "#size_type3735929547">size_type</a> size, <a href = "#size_type3735929547">size_type</a> num_entries) <b>const</b></pre> </td> <td> <p>Queries whether a shrink is needed.</p> <p>This method is called only if this object indicated is needed.</p> </td> </tr> </table> </body> </html>