Intial commit - import scenario 2

1 files changed, 111 insertions, 0 deletions

diff --git a/src/pl/edu/mimuw/cloudatlas/model/ValueDouble.java b/src/pl/edu/mimuw/cloudatlas/model/ValueDouble.java
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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);
+	}
+	
+	@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);
+		}
+	}
+}