#include <Trader_Constraint_Visitors.h>
Inheritance diagram for TAO_Trader_Constraint_Evaluator:
Public Member Functions | |
TAO_Trader_Constraint_Evaluator (CosTrading::Offer *offer, CORBA::Boolean supports_dynamic_properties=1) | |
Constructor. | |
virtual int | visit_property (TAO_Property_Constraint *literal) |
Copy the value of the property into the result container. | |
Private Attributes | |
TAO_Property_Evaluator | prop_eval_ |
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Constructor.
Definition at line 8 of file Trader_Constraint_Visitors.cpp. References ACE_Hash_Map_Manager_Ex< EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK >::bind(), ACE_Hash_Map_Manager_Ex< EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK >::close(), ACE_Hash_Map_Manager_Ex< EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK >::open(), and CosTrading::Offer::properties.
00010 : prop_eval_ (*offer, supports_dp) 00011 { 00012 this->props_.close (); 00013 this->props_.open (); 00014 int length = offer->properties.length (); 00015 00016 // Create a map of property names to their values. 00017 for (int i = 0; i < length; i++) 00018 { 00019 CORBA::String_var name = (const char*) offer->properties[i].name; 00020 this->props_.bind (name, i); 00021 } 00022 } |
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Copy the value of the property into the result container.
Reimplemented from TAO_Constraint_Evaluator. Definition at line 26 of file Trader_Constraint_Visitors.cpp. References ACE_CATCHANY, ACE_DECLARE_NEW_CORBA_ENV, ACE_ENDTRY, ACE_ENV_ARG_PARAMETER, ACE_TRY, ACE_TRY_CHECK, ACE_Hash_Map_Manager_Ex< EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK >::find(), TAO_Property_Constraint::name(), prop_eval_, and TAO_Property_Evaluator::property_value().
00027 { 00028 int return_value = -1, prop_index = 0; 00029 // Handle case where property is not, in fact, mapped to a value 00030 CORBA::String_var prop_name ((const char*) literal->name ()); 00031 00032 if (this->props_.find (prop_name, prop_index) == 0) 00033 { 00034 ACE_DECLARE_NEW_CORBA_ENV; 00035 00036 CORBA::Any *value = 0; 00037 // Retrieve the value of the property from the Property_Evaluator 00038 ACE_TRY 00039 { 00040 value = this->prop_eval_.property_value (prop_index ACE_ENV_ARG_PARAMETER); 00041 ACE_TRY_CHECK; 00042 } 00043 ACE_CATCHANY 00044 { 00045 return -1; 00046 } 00047 ACE_ENDTRY; 00048 // ACE_CHECK_RETURN (-1); 00049 00050 if (value != 0) 00051 { 00052 this->queue_.enqueue_head (TAO_Literal_Constraint (value)); 00053 return_value = 0; 00054 } 00055 } 00056 00057 return return_value; 00058 } |
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Utility with which to evaluate the properties of an offer, be they dyanmic or static. Definition at line 57 of file Trader_Constraint_Visitors.h. Referenced by visit_property(). |