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package org.openecomp.sdc.toscaparser.elements.constraints;
import java.util.Date;
import org.openecomp.sdc.toscaparser.common.ExceptionCollector;
public class LessThan extends Constraint {
@Override
protected void _setValues() {
constraintKey = LESS_THAN;
validTypes.add("Integer");
validTypes.add("Double");
validTypes.add("Float");
// timestamps are loaded as Date objects
validTypes.add("Date");
//validTypes.add("datetime.date");
//validTypes.add("datetime.time");
//validTypes.add("datetime.datetime");
validPropTypes.add(Schema.INTEGER);
validPropTypes.add(Schema.FLOAT);
validPropTypes.add(Schema.TIMESTAMP);
validPropTypes.add(Schema.SCALAR_UNIT_SIZE);
validPropTypes.add(Schema.SCALAR_UNIT_FREQUENCY);
validPropTypes.add(Schema.SCALAR_UNIT_TIME);
}
public LessThan(String name,String type,Object c) {
super(name,type,c);
if(!validTypes.contains(constraintValue.getClass().getSimpleName())) {
ExceptionCollector.appendException("InvalidSchemaError: The property \"less_than\" expects comparable values");
}
}
@Override
protected boolean _isValid(Object value) {
// timestamps
if(value instanceof Date) {
if(constraintValue instanceof Date) {
return ((Date)value).before((Date)constraintValue);
}
return false;
}
Double n1 = new Double(value.toString());
Double n2 = new Double(constraintValue.toString());
return n1 < n2;
}
@Override
protected String _errMsg(Object value) {
return String.format("The value \"%s\" of property \"%s\" must be less than \"%s\"",
valueMsg,propertyName,constraintValueMsg);
}
}
/*python
class LessThan(Constraint):
"""Constraint class for "less_than"
Constrains a property or parameter to a value less than ('<')
the value declared.
"""
constraint_key = Constraint.LESS_THAN
valid_types = (int, float, datetime.date,
datetime.time, datetime.datetime)
valid_prop_types = (Schema.INTEGER, Schema.FLOAT, Schema.TIMESTAMP,
Schema.SCALAR_UNIT_SIZE, Schema.SCALAR_UNIT_FREQUENCY,
Schema.SCALAR_UNIT_TIME)
def __init__(self, property_name, property_type, constraint):
super(LessThan, self).__init__(property_name, property_type,
constraint)
if not isinstance(self.constraint_value, self.valid_types):
ExceptionCollector.appendException(
InvalidSchemaError(message=_('The property "less_than" '
'expects comparable values.')))
def _is_valid(self, value):
if value < self.constraint_value:
return True
return False
def _err_msg(self, value):
return (_('The value "%(pvalue)s" of property "%(pname)s" must be '
'less than "%(cvalue)s".') %
dict(pname=self.property_name,
pvalue=self.value_msg,
cvalue=self.constraint_value_msg))
*/
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