Not.java

biz/hammurapi/sql/syntax/Not.java

Violations

Inspector	Message	Severity	Location
Java Inspector 048	Copyrights information should be present in each file.	1
Java Inspector 086	Use equals() instead of == or != to compare objects.	1	36:32
Java Inspector 082	Parenthesis are redundant.	2	27:36
Java Inspector 089	Undocumented top level type	2	7:1
Java Inspector 089	Undocumented constructor	2	11:9
Java Inspector 089	Undocumented method	2	15:9
Java Inspector 089	Undocumented method	2	19:9
Java Inspector 089	Undocumented method	2	23:9
Java Inspector 089	Undocumented method	2	31:9
Java Inspector 003	do, while, if, and for statements need a brace enclosed block	3	33:25
Java Inspector 003	do, while, if, and for statements need a brace enclosed block	3	35:25
Java Inspector 003	do, while, if, and for statements need a brace enclosed block	3	37:25
Java Inspector 003	do, while, if, and for statements need a brace enclosed block	3	41:33
Java Inspector 003	do, while, if, and for statements need a brace enclosed block	3	43:25
Java Inspector 025	Avoid hardwired numeric literals. Allowed literals: [1, -1, 0]	3	24:35
Java Inspector 026	Avoid hardwired string literals. Allowed literals: []	3	20:24
Java Inspector 051	It is good practice to call in any case super() in a constructor.	3	11:9

Source code

1package biz.hammurapi.sql.syntax;
2
3import java.io.Serializable;
4import java.sql.PreparedStatement;
5import java.sql.SQLException;
6
7public class Not implements StatementFragment, Serializable {
8	
9	private StatementFragment fragment;
10
11	public Not(StatementFragment fragment) {
12		this.fragment = fragment;
13	}
14
15	public int parameterize(PreparedStatement statement, int idx) throws SQLException {
16		return fragment.parameterize(statement, idx);
17	}
18
19	public String toSqlString() {
20		return "NOT "+fragment.toSqlString();
21	}
22
23	public int hashCode() {
24		final int prime = 31;
25		int result = 1;
26		result = prime * result
27				+ ((fragment == null) ? 0 : fragment.hashCode());
28		return result;
29	}
30
31	public boolean equals(Object obj) {
32		if (this == obj)
33			return true;
34		if (obj == null)
35			return false;
36		if (getClass() != obj.getClass())
37			return false;
38		final Not other = (Not) obj;
39		if (fragment == null) {
40			if (other.fragment != null)
41				return false;
42		} else if (!fragment.equals(other.fragment))
43			return false;
44		return true;
45	}
46}
47