logicannullata + common   18

Peter On Java: Reading and Writing UTC Timestamps to DB with Hibernate
package ch.meteoswiss.commons.hibernate;
 
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.util.Calendar;
import java.util.SimpleTimeZone;
 
 
/**
 * <tt>timestamp</tt>: A type that maps an SQL TIMESTAMP to a Java
 * java.util.Date or java.sql.Timestamp using UTC time zone.
 * @author Peter Keller
 */
public class UTCTimestampType extends org.hibernate.type.TimestampType {
 
    @Override
    public Ob...
peter  keller  java  hibernate  read  timestamp  as  UTC  custom  TImestampType  howto  utils  very  common  problems  timezone  offset  agnostic  mysql  database  access 
november 2015 by logicannullata
Java Practices -> Implementing equals
//check for self-comparison if ( this == aThat ) return true; //use instanceof instead of getClass here for two reasons //1. if need be, it can match any supertype, and not just one class; //2. it renders an explict check for "that == null" redundant, since //it does the check for null already - "null instanceof [type]" always //returns false. (See Effective Java by Joshua Bloch.) if ( !(aThat instanceof Car) ) return false; //Alternative to the above line : //if ( aThat == null || aThat.getClass() != this.getClass() ) return false; //cast to native object is now safe Car that = (Car)aThat; //now a proper field-by-field evaluation can be made return EqualsUtil.areEqual(this.fName, that.fName) && EqualsUtil.areEqual(this.fNumDoors, that.fNumDoors) && EqualsUtil.areEqual(this.fOptions, that.fOptions) && EqualsUtil.areEqual(this.fGasMileage, that.fGasMileage) && EqualsUtil.areEqual(this.fColor, that.fC
standard  development  equals  common  compare  good  contains  object  code  howto  reference  utils  implementation  practice  java  snippets 
october 2013 by logicannullata

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