code: public ExpressionBuilder greaterThanOrEquals(final SubordinateTrigger trigger,
  			final Object compare) {
  		BooleanExpression exp = new CompareExpression(CompareType.GREATER_THAN_OR_EQUAL, trigger,
  				compare);
  		appendExpression(exp);
  
  		return this;
  	}
docs: Appends a greater than or equals test to the condition.
  
  @param trigger the trigger field.
  @param compare the value to use in the compare.
  @return this ExpressionBuilder.