Ejemplo n.º 1
0
    def __init__(self, priority_size=100, priority_init=None, replace=True):
        # Experience_ID to Priority_ID (the node number in Heap) mapping
        self.e2p = {}
        # Priority_ID (the node number in Heap) to Experience_ID mapping
        self.p2e = {}
        # If the node should be replaced when inserting
        self.replace = replace

        if priority_init is None:
            self.priority_queue = {}
            self.size = 0
            self.max_size = priority_size
        else:
            # not yet tested
            self.priority_queue = priority_init
            self.size = len(self.priority_queue)
            self.max_size = None or self.size

            # map(func, list) returns a list after applying the function to all the elements
            # The following is a list of (priority_IDs, experience_IDs)
            experience_list = list(
                map(lambda x: self.priority_queue[x], self.priority_queue))
            # Create the node_number --> Experience_ID and Experience_ID --> node_number mapping
            self.p2e = utility.list_to_dict(experience_list)
            self.e2p = utility.exchange_key_value(self.p2e)
            for i in range(int(self.size / 2), -1, -1):
                self.down_heap(i)
Ejemplo n.º 2
0
    def reload(self):
        # not yet test
        self.priority_queue = priority_init
        self.size = len(self.priority_queue)
        self.max_size = None or self.size

        experience_list = list(
            map(lambda x: self.priority_queue[x], self.priority_queue))
        self.p2e = utility.list_to_dict(experience_list)
        self.e2p = utility.exchange_key_value(self.p2e)
        for i in range(int(self.size / 2), -1, -1):
            self.down_heap(i)
Ejemplo n.º 3
0
    def __init__(self, priority_size=100, priority_init=None, replace=True):
        self.e2p = {}
        self.p2e = {}
        self.replace = replace

        if priority_init is None:
            self.priority_queue = {}
            self.size = 0
            self.max_size = priority_size
        else:
            # not yet test
            self.priority_queue = priority_init
            self.size = len(self.priority_queue)
            self.max_size = None or self.size

            experience_list = list(map(lambda x: self.priority_queue[x], self.priority_queue))
            self.p2e = utility.list_to_dict(experience_list)
            self.e2p = utility.exchange_key_value(self.p2e)
            for i in range(int(self.size / 2), -1, -1):
                self.down_heap(i)
    def __init__(self, priority_size=100, priority_init=None, replace=True):
        self.e2p = {}
        self.p2e = {}
        self.replace = replace

        if priority_init is None:
            self.priority_queue = {}
            self.size = 0
            self.max_size = priority_size
        else:
            # not yet test
            self.priority_queue = priority_init
            self.size = len(self.priority_queue)
            self.max_size = None or self.size

            experience_list = list(map(lambda x: self.priority_queue[x], self.priority_queue))
            self.p2e = utility.list_to_dict(experience_list)
            self.e2p = utility.exchange_key_value(self.p2e)
            for i in range(int(self.size / 2), -1, -1):
                self.down_heap(i)