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/**
* Copyright (c) 2014, University of Warsaw
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted
* provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package pl.edu.mimuw.cloudatlas.model;
import pl.edu.mimuw.cloudatlas.model.Value;
import pl.edu.mimuw.cloudatlas.model.ValueDouble;
/**
* A class that wraps a Java <code>Double</code> object.
*/
public class ValueDouble extends ValueSimple<Double> {
/**
* Constructs a new <code>ValueDouble</code> object wrapping the specified <code>value</code>.
*
* @param value the value to wrap
*/
public ValueDouble(Double value) {
super(value);
}
/* Kryo needs a no-args constructor */
private ValueDouble() {
}
@Override
public Type getType() {
return TypePrimitive.DOUBLE;
}
@Override
public Value getDefaultValue() {
return new ValueDouble(0.0);
}
@Override
public ValueBoolean isLowerThan(Value value) {
sameTypesOrThrow(value, Operation.COMPARE);
if(isNull() || value.isNull())
return new ValueBoolean(null);
return new ValueBoolean(getValue() < ((ValueDouble)value).getValue());
}
@Override
public ValueDouble addValue(Value value) {
sameTypesOrThrow(value, Operation.ADD);
if(isNull() || value.isNull())
return new ValueDouble(null);
return new ValueDouble(getValue() + ((ValueDouble)value).getValue());
}
@Override
public ValueDouble subtract(Value value) {
sameTypesOrThrow(value, Operation.SUBTRACT);
if(isNull() || value.isNull())
return new ValueDouble(null);
return new ValueDouble(getValue() - ((ValueDouble)value).getValue());
}
@Override
public ValueDouble multiply(Value value) {
sameTypesOrThrow(value, Operation.MULTIPLY);
if(isNull() || value.isNull())
return new ValueDouble(null);
return new ValueDouble(getValue() * ((ValueDouble)value).getValue());
}
@Override
public ValueDouble divide(Value value) {
sameTypesOrThrow(value, Operation.DIVIDE);
if(isNull() || value.isNull())
return new ValueDouble(null);
return new ValueDouble(getValue() / ((ValueDouble)value).getValue());
}
@Override
public ValueDouble negate() {
return new ValueDouble(isNull()? null : -getValue());
}
@Override
public Value convertTo(Type type) {
switch(type.getPrimaryType()) {
case DOUBLE:
return this;
case INT:
return new ValueInt(getValue() == null? null : getValue().longValue());
case STRING:
return getValue() == null? ValueString.NULL_STRING : new ValueString(getValue().toString());
default:
throw new UnsupportedConversionException(getType(), type);
}
}
}
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