001 package biz.hammurapi.sql.syntax; 002 003 import java.sql.PreparedStatement; 004 import java.sql.SQLException; 005 006 public class IsNotNull implements StatementFragment { 007 008 private String columnName; 009 010 public IsNotNull(String columnName) { 011 this.columnName = columnName; 012 } 013 014 public String toSqlString() { 015 return columnName+" IS NOT NULL"; 016 } 017 018 public int parameterize(PreparedStatement ps, int idx) throws SQLException { 019 return idx; 020 } 021 022 public int hashCode() { 023 final int prime = 31; 024 int result = 1; 025 result = prime * result 026 + ((columnName == null) ? 0 : columnName.hashCode()); 027 return result; 028 } 029 030 public boolean equals(Object obj) { 031 if (this == obj) 032 return true; 033 if (obj == null) 034 return false; 035 if (getClass() != obj.getClass()) 036 return false; 037 final IsNotNull other = (IsNotNull) obj; 038 if (columnName == null) { 039 if (other.columnName != null) 040 return false; 041 } else if (!columnName.equals(other.columnName)) 042 return false; 043 return true; 044 } 045 046 }