com.google.template.soy.data.restricted.NumberData.java Source code

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Here is the source code for com.google.template.soy.data.restricted.NumberData.java

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/*
 * Copyright 2008 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.template.soy.data.restricted;

import com.google.common.primitives.Longs;

/**
 * Abstract superclass for number data (integers and floats).
 *
 * <p> Important: This class may only be used in implementing plugins (e.g. functions, directives).
 * <p> Important: Even though this class is not marked 'final', do not extend this class.
 *
 */
public abstract class NumberData extends PrimitiveData {

    /**
     * Gets the float value of this number data object. If this object is actually an integer, its
     * value will be converted to a float before being returned.
     * @return The float value of this number data object.
     */
    public abstract double toFloat();

    @Override
    public double numberValue() {
        return toFloat();
    }

    @Override
    public boolean equals(Object other) {
        return other instanceof NumberData && ((NumberData) other).toFloat() == this.toFloat();
    }

    @Override
    public int hashCode() {
        return Longs.hashCode(Double.doubleToLongBits(toFloat()));
    }

}