FilesExpand file tree

 master

/

IntField.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

86 lines (66 loc) · 1.7 KB

 master

/

IntField.java

Copy path

Top

File metadata and controls

• Code
• Blame

86 lines (66 loc) · 1.7 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

package simpledb;

import java.io.*;

/**

* Instance of Field that stores a single integer.

*/

public class IntField implements Field {

private static final long serialVersionUID = 1L;

private final int value;

public int getValue() {

return value;

}

/**

* Constructor.

*

* @param i The value of this field.

*/

public IntField(int i) {

value = i;

}

public String toString() {

return Integer.toString(value);

}

public int hashCode() {

return value;

}

public boolean equals(Object field) {

return ((IntField) field).value == value;

}

public void serialize(DataOutputStream dos) throws IOException {

dos.writeInt(value);

}

/**

* Compare the specified field to the value of this Field.

* Return semantics are as specified by Field.compare

*

* @throws IllegalCastException if val is not an IntField

* @see Field#compare

*/

public boolean compare(Predicate.Op op, Field val) {

IntField iVal = (IntField) val;

switch (op) {

case EQUALS:

return value == iVal.value;

case NOT_EQUALS:

return value != iVal.value;

case GREATER_THAN:

return value > iVal.value;

case GREATER_THAN_OR_EQ:

return value >= iVal.value;

case LESS_THAN:

return value < iVal.value;

case LESS_THAN_OR_EQ:

return value <= iVal.value;

case LIKE:

return value == iVal.value;

}

return false;

}

/**

* Return the Type of this field.

* @return Type.INT_TYPE

*/

public Type getType() {

return Type.INT_TYPE;

}

}