InternalUtilities.java 文件源码

/**
 * Create new XdmValue from value type and Writables.
 *  
 */
public static XdmValue newValue(ValueType valueType, Object value) {
    if (value instanceof Text) {
        return ValueFactory.newValue(valueType, ((Text)value).toString());
    } else if (value instanceof BytesWritable) {
        return ValueFactory.newValue(valueType, ((BytesWritable)value).getBytes());
    } else if (value instanceof IntWritable) {
        return ValueFactory.newValue(valueType, ((IntWritable)value).get());
    } else if (value instanceof LongWritable) {
        return ValueFactory.newValue(valueType, ((LongWritable)value).get());
    } else if (value instanceof VIntWritable) {
        return ValueFactory.newValue(valueType, ((VIntWritable)value).get());
    } else if (value instanceof VLongWritable) {
        return ValueFactory.newValue(valueType, ((VLongWritable)value).get());
    } else if (value instanceof BooleanWritable) {
        return ValueFactory.newValue(valueType, ((BooleanWritable)value).get());
    } else if (value instanceof FloatWritable) {
        return ValueFactory.newValue(valueType, ((FloatWritable)value).get());
    } else if (value instanceof DoubleWritable) {
        return ValueFactory.newValue(valueType, ((DoubleWritable)value).get());
    } else if (value instanceof MarkLogicNode) {
        return ValueFactory.newValue(valueType, ((MarkLogicNode)value).get());
    } else {
        throw new UnsupportedOperationException("Value " +  
                value.getClass().getName() + " is unsupported.");
    }
}