FilesExpand file tree

 master

/

HeapElement.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

132 lines (118 loc) · 3.45 KB

 master

/

HeapElement.java

Top

File metadata and controls

• Code
• Blame

132 lines (118 loc) · 3.45 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

/**

*

*/

package heaps;

import java.lang.Double;

import java.lang.Object;

/**

* Class for heap elements.<br>

* <p>A heap element contains two attributes: a key which will be used to build the tree (int

* or double, either primitive type or object) and any kind of IMMUTABLE object the user sees fit

* to carry any information he/she likes. Be aware that the use of a mutable object might

* jeopardize the integrity of this information. </p>

* @author Nicolas Renard

*

*/

public class HeapElement {

private final double key;

private final Object additionalInfo;

// Constructors

/**

*

* @param key : a number of primitive type 'double'

* @param info : any kind of IMMUTABLE object. May be null, since the purpose is only to carry

* additional information of use for the user

*/

public HeapElement(double key, Object info) {

this.key = key;

this.additionalInfo = info;

}

/**

*

* @param key : a number of primitive type 'int'

* @param info : any kind of IMMUTABLE object. May be null, since the purpose is only to carry

* additional information of use for the user

*/

public HeapElement(int key, Object info) {

this.key = key;

this.additionalInfo = info;

}

/**

*

* @param key : a number of object type 'Integer'

* @param info : any kind of IMMUTABLE object. May be null, since the purpose is only to carry

* additional information of use for the user

*/

public HeapElement(Integer key, Object info) {

this.key = key;

this.additionalInfo = info;

}

/**

*

* @param key : a number of object type 'Double'

* @param info : any kind of IMMUTABLE object. May be null, since the purpose is only to carry

* additional information of use for the user

*/

public HeapElement(Double key, Object info) {

this.key = key;

this.additionalInfo = info;

}

/**

*

* @param key : a number of primitive type 'double'

*/

public HeapElement(double key) {

this.key = key;

this.additionalInfo = null;

}

/**

*

* @param key : a number of primitive type 'int'

*/

public HeapElement(int key) {

this.key = key;

this.additionalInfo = null;

}

/**

*

* @param key : a number of object type 'Integer'

*/

public HeapElement(Integer key) {

this.key = key;

this.additionalInfo = null;

}

/**

*

* @param key : a number of object type 'Double'

*/

public HeapElement(Double key) {

this.key = key;

this.additionalInfo = null;

}

// Getters

/**

* @return the object containing the additional info provided by the user.

*/

public Object getInfo() {

return additionalInfo;

}

/**

* @return the key value of the element

*/

public double getKey() {

return key;

}

// Overridden object methods

public String toString() {

return "Key: " + key + " - " +additionalInfo.toString();

}

/**

*

* @param otherHeapElement

* @return true if the keys on both elements are identical and the additional info objects

* are identical.

*/

public boolean equals(HeapElement otherHeapElement) {

return (this.key == otherHeapElement.key) && (this.additionalInfo.equals(otherHeapElement.additionalInfo));

}

}