org.jboss.dmr.client.DoubleModelValue Maven / Gradle / Ivy

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Bundles the core AS7 console as a GWT module. Includes minor customizations to support extensions.
There is a newer version: 0.7.0.Final
/*
 * JBoss, Home of Professional Open Source
 * Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @author tags. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU Lesser General Public License, v. 2.1.
 * This program is distributed in the hope that it will be useful, but WITHOUT A
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License,
 * v.2.1 along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */

package org.jboss.dmr.client;

import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;

/**
 * @author David M. Lloyd
 */
final class DoubleModelValue extends ModelValue {

    private final double value;

    DoubleModelValue(final double value) {
        super(ModelType.DOUBLE);
        this.value = value;
    }

    @Override
    void writeExternal(final DataOutput out) throws IOException {
        out.writeDouble(value);
    }

    @Override
    long asLong() {
        return (long) value;
    }

    @Override
    long asLong(final long defVal) {
        return (long) value;
    }

    @Override
    int asInt() {
        return (int) value;
    }

    @Override
    int asInt(final int defVal) {
        return (int) value;
    }

    @Override
    boolean asBoolean() {
        return value != 0;
    }

    @Override
    boolean asBoolean(final boolean defVal) {
        return value != 0;
    }

    @Override
    double asDouble() {
        return value;
    }

    @Override
    double asDouble(final double defVal) {
        return value;
    }

    @Override
    byte[] asBytes() {
    	throw new IllegalArgumentException();
//        final long value = Double.doubleToLongBits(this.value);
//        final byte[] bytes = new byte[8];
//        bytes[0] = (byte) (value >>> 56);
//        bytes[1] = (byte) (value >>> 48);
//        bytes[2] = (byte) (value >>> 40);
//        bytes[3] = (byte) (value >>> 32);
//        bytes[4] = (byte) (value >>> 24);
//        bytes[5] = (byte) (value >>> 16);
//        bytes[6] = (byte) (value >>> 8);
//        bytes[7] = (byte) (value);
//        return bytes;
    }

    @Override
    BigDecimal asBigDecimal() {
        return new BigDecimal(value);
    }

    @Override
    BigInteger asBigInteger() {
        return BigInteger.valueOf((long) value);
    }

    @Override
    String asString() {
        return Double.toString(value);
    }

    /**
     * Determine whether this object is equal to another.
     *
     * @param other the other object
     * @return {@code true} if they are equal, {@code false} otherwise
     */
    @Override
    public boolean equals(final Object other) {
        return other instanceof DoubleModelValue && equals((DoubleModelValue)other);
    }

    /**
     * Determine whether this object is equal to another.
     *
     * @param other the other object
     * @return {@code true} if they are equal, {@code false} otherwise
     */
    public boolean equals(final DoubleModelValue other) {
        return this == other || other != null && other.value == value;
    }

    @Override
    public int hashCode() {
        return Double.valueOf(value).hashCode();
    }
}