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axion 1.0-M1 API: Class BaseNumberDataType
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org.axiondb.types</FONT>
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Class BaseNumberDataType</H2>
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<A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Object.html">java.lang.Object</A>
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+--<A HREF="../../../org/axiondb/types/BaseDataType.html">org.axiondb.types.BaseDataType</A>
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+--<B>org.axiondb.types.BaseNumberDataType</B>
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<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../org/axiondb/DataType.html">DataType</A>, <A HREF="../../../org/axiondb/DataTypeFactory.html">DataTypeFactory</A>, <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/io/Serializable.html">Serializable</A></DD>
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<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../org/axiondb/types/BigDecimalType.html">BigDecimalType</A>, <A HREF="../../../org/axiondb/types/ByteType.html">ByteType</A>, <A HREF="../../../org/axiondb/types/FloatType.html">FloatType</A>, <A HREF="../../../org/axiondb/types/IntegerType.html">IntegerType</A>, <A HREF="../../../org/axiondb/types/LongType.html">LongType</A>, <A HREF="../../../org/axiondb/types/ShortType.html">ShortType</A>, <A HREF="../../../org/axiondb/types/UnsignedByteType.html">UnsignedByteType</A>, <A HREF="../../../org/axiondb/types/UnsignedIntegerType.html">UnsignedIntegerType</A>, <A HREF="../../../org/axiondb/types/UnsignedShortType.html">UnsignedShortType</A></DD>
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<DT>public abstract class <B>BaseNumberDataType</B><DT>extends <A HREF="../../../org/axiondb/types/BaseDataType.html">BaseDataType</A></DL>
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An abstract base <A HREF="../../../org/axiondb/DataType.html"><CODE>DataType</CODE></A> for <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Number.html"><CODE>Number</CODE></A> types.
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<DT><B>Version: </B><DD>$Revision: 1.2 $ $Date: 2002/12/16 15:27:35 $</DD>
<DT><B>See Also: </B><DD><A HREF="../../../serialized-form.html#org.axiondb.types.BaseNumberDataType">Serialized Form</A></DL>
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<TD><CODE><B><A HREF="../../../org/axiondb/types/BaseNumberDataType.html#BaseNumberDataType()">BaseNumberDataType</A></B>()</CODE>
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<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/axiondb/types/BaseNumberDataType.html#accepts(java.lang.Object)">accepts</A></B>(<A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Object.html">Object</A> value)</CODE>
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Returns <code>true</code> iff <i>value</i> is <code>null</code>, or a <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Number.html"><CODE>Number</CODE></A>.</TD>
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<CODE> <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Object.html">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/axiondb/types/BaseNumberDataType.html#convert(java.lang.Object)">convert</A></B>(<A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Object.html">Object</A> value)</CODE>
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Returns <i>value</i> if <i>value</i> is <code>null</code> and throws <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/IllegalArgumentException.html"><CODE>IllegalArgumentException</CODE></A> otherwise.</TD>
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<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/axiondb/types/BaseNumberDataType.html#supportsSuccessor()">supportsSuccessor</A></B>()</CODE>
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This base implementation returns <code>true</code>.</TD>
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<CODE>protected <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Number.html">Number</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/axiondb/types/BaseNumberDataType.html#toNumber(java.lang.Object)">toNumber</A></B>(<A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Object.html">Object</A> value)</CODE>
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