idbytes.html

jxta的api库

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<A NAME="bytes"><!-- --></A><H3>
bytes</H3>
<PRE>
public byte[] <B>bytes</B></PRE>
<DL>
<DD>The bytes.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="hashIsCached"><!-- --></A><H3>
hashIsCached</H3>
<PRE>
protected transient volatile boolean <B>hashIsCached</B></PRE>
<DL>
<DD>if true then we have calculated the hash value for this object.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="cachedHash"><!-- --></A><H3>
cachedHash</H3>
<PRE>
protected transient int <B>cachedHash</B></PRE>
<DL>
<DD>The cached hash value for this object
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<A NAME="IDBytes()"><!-- --></A><H3>
IDBytes</H3>
<PRE>
public <B>IDBytes</B>()</PRE>
<DL>
<DD>Constructs a new byte representation. This constructor initializes only
  the flag fields of the ID.
<P>
</DL>

<!-- ============ METHOD DETAIL ========== -->

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<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(java.lang.Object&nbsp;target)</PRE>
<DL>
<DD>Compares two IDs for equality.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>target</CODE> - the ID to be compared against.
<DT><B>Returns:</B><DD>boolean true if IDs are equal, false otherwise.</DL>
</DD>
</DL>
<HR>

<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public int <B>hashCode</B>()</PRE>
<DL>
<DD>Public member calculates a hash code for this ID. Used by Hashmaps.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>int Containing the hashcode of this ID.</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Returns a string representation of the ID bytes. The bytes are encoded
 in hex ASCII format with two characters per byte. The pad bytes between
 the primary id portion and the flags field are ommitted.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>String containting the URI</DL>
</DD>
</DL>
<HR>

<A NAME="getUniqueValue()"><!-- --></A><H3>
getUniqueValue</H3>
<PRE>
public java.lang.Object <B>getUniqueValue</B>()</PRE>
<DL>
<DD>Return an object containing the unique value of the ID. This object must
  provide implementations of toString() and hashCode() that are canonical
  and conisistent from run-to-run given the same input values. Beyond
  this nothing should be assumed about the nature of this object. For some
  implementations the object returned may be the same as provided.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Object which can provide canonical representations of the ID.</DL>
</DD>
</DL>
<HR>

<A NAME="longIntoBytes(int, long)"><!-- --></A><H3>
longIntoBytes</H3>
<PRE>
public void <B>longIntoBytes</B>(int&nbsp;offset,
                          long&nbsp;value)</PRE>
<DL>
<DD>Insert a long value into the byte array. The long is stored in
  big-endian order into the byte array begining at the specified index.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>offset</CODE> - location within the byte array to insert.<DD><CODE>value</CODE> - value to be inserted.</DL>
</DD>
</DL>
<HR>

<A NAME="bytesIntoLong(int)"><!-- --></A><H3>
bytesIntoLong</H3>
<PRE>
public long <B>bytesIntoLong</B>(int&nbsp;offset)</PRE>
<DL>
<DD>Return the long value of a portion of the byte array. The long is
  retrieved in big-endian order from the byte array at the specified
  offset.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>offset</CODE> - location within the byte array to extract.
<DT><B>Returns:</B><DD>long value extracted from the byte array.</DL>
</DD>
</DL>
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