docs/org.eclipse.wst.jsdt.doc/html/api_reference/org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html - gerrit/jsdt/webtools.jsdt.core - Git at Google

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 org.eclipse.wst.jsdt.ui.text.java</FONT>
 <BR>
 Class ContentAssistInvocationContext</H2>
 <PRE>
 java.lang.Object
   <IMG SRC="../../../../../../../resources/inherit.gif" ALT="extended by "><B>org.eclipse.wst.jsdt.ui.text.java.ContentAssistInvocationContext</B>
 </PRE>
 <DL>
 <DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/JavaContentAssistInvocationContext.html" title="class in org.eclipse.wst.jsdt.ui.text.java">JavaContentAssistInvocationContext</A></DD>
 </DL>
 <HR>
 <DL>
 <DT><PRE>public class <B>ContentAssistInvocationContext</B><DT>extends java.lang.Object</DL>
 </PRE>

 <P>
 Describes the context of an invocation of content assist in a text viewer. The context knows the
  document, the invocation offset and can lazily compute the identifier prefix preceding the
  invocation offset. It may know the viewer.
  <p>
  Subclasses may add information to their environment. For example, source code editors may provide
  specific context information such as an AST.
  </p>
  <p>
  Clients may instantiate and subclass.
  </p>


  Provisional API: This class/interface is part of an interim API that is still under development and expected to
  change significantly before reaching stability. It is being made available at this early stage to solicit feedback
  from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
  (repeatedly) as the API evolves.
 <P>

 <P>
 <HR>

 <P>

 <!-- ======== CONSTRUCTOR SUMMARY ======== -->

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 <B>Constructor Summary</B></FONT></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#ContentAssistInvocationContext(ITextViewer)">ContentAssistInvocationContext</A></B>(ITextViewer&nbsp;viewer)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Equivalent to
  <A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#ContentAssistInvocationContext(ITextViewer, int)">ContentAssistInvocationContext(viewer, viewer.getSelectedRange().x)</A>.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#ContentAssistInvocationContext(ITextViewer, int)">ContentAssistInvocationContext</A></B>(ITextViewer&nbsp;viewer,
                                int&nbsp;offset)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new context for the given viewer and offset.</TD>
 </TR>
 </TABLE>
 &nbsp;
 <!-- ========== METHOD SUMMARY =========== -->

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 <B>Method Summary</B></FONT></TH>
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 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>&nbsp;java.lang.CharSequence</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#computeIdentifierPrefix()">computeIdentifierPrefix</A></B>()</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Computes the identifier (as specified by <CODE>Character.isJavaIdentifierPart(char)</CODE>) that
  immediately precedes the invocation offset.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>&nbsp;boolean</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object&nbsp;obj)</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Invocation contexts are equal if they describe the same context and are of the same type.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>&nbsp;IDocument</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#getDocument()">getDocument</A></B>()</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the document that content assist is invoked on, or <code>null</code> if not known.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>&nbsp;int</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#getInvocationOffset()">getInvocationOffset</A></B>()</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the invocation offset.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>&nbsp;ITextViewer</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#getViewer()">getViewer</A></B>()</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the viewer, <code>null</code> if not available.</TD>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 <CODE>&nbsp;int</CODE></FONT></TD>
 <TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#hashCode()">hashCode</A></B>()</CODE>

 <BR>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 </TR>
 </TABLE>
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 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 <TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
 </TR>
 <TR BGCOLOR="white" CLASS="TableRowColor">
 <TD><CODE>getClass, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
 </TR>
 </TABLE>
 &nbsp;
 <P>

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

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 <A NAME="ContentAssistInvocationContext(ITextViewer)"><!-- --></A><H3>
 ContentAssistInvocationContext</H3>
 <PRE>
 public <B>ContentAssistInvocationContext</B>(ITextViewer&nbsp;viewer)</PRE>
 <DL>
 <DD>Equivalent to
  <A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#ContentAssistInvocationContext(ITextViewer, int)">ContentAssistInvocationContext(viewer, viewer.getSelectedRange().x)</A>.
 <P>
 <DL>
 <DT><B>Parameters:</B><DD><CODE>viewer</CODE> - the text viewer that content assist is invoked in</DL>
 </DL>
 <HR>

 <A NAME="ContentAssistInvocationContext(ITextViewer, int)"><!-- --></A><H3>
 ContentAssistInvocationContext</H3>
 <PRE>
 public <B>ContentAssistInvocationContext</B>(ITextViewer&nbsp;viewer,
                                       int&nbsp;offset)</PRE>
 <DL>
 <DD>Creates a new context for the given viewer and offset.
 <P>
 <DL>
 <DT><B>Parameters:</B><DD><CODE>viewer</CODE> - the text viewer that content assist is invoked in<DD><CODE>offset</CODE> - the offset into the viewer's document where content assist is invoked at</DL>
 </DL>

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

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 <A NAME="getInvocationOffset()"><!-- --></A><H3>
 getInvocationOffset</H3>
 <PRE>
 public final int <B>getInvocationOffset</B>()</PRE>
 <DL>
 <DD>Returns the invocation offset.
 <P>
 <DD><DL>

 <DT><B>Returns:</B><DD>the invocation offset</DL>
 </DD>
 </DL>
 <HR>

 <A NAME="getViewer()"><!-- --></A><H3>
 getViewer</H3>
 <PRE>
 public final ITextViewer <B>getViewer</B>()</PRE>
 <DL>
 <DD>Returns the viewer, <code>null</code> if not available.
 <P>
 <DD><DL>

 <DT><B>Returns:</B><DD>the viewer, possibly <code>null</code></DL>
 </DD>
 </DL>
 <HR>

 <A NAME="getDocument()"><!-- --></A><H3>
 getDocument</H3>
 <PRE>
 public IDocument <B>getDocument</B>()</PRE>
 <DL>
 <DD>Returns the document that content assist is invoked on, or <code>null</code> if not known.
 <P>
 <DD><DL>

 <DT><B>Returns:</B><DD>the document or <code>null</code></DL>
 </DD>
 </DL>
 <HR>

 <A NAME="computeIdentifierPrefix()"><!-- --></A><H3>
 computeIdentifierPrefix</H3>
 <PRE>
 public java.lang.CharSequence <B>computeIdentifierPrefix</B>()
                                                throws BadLocationException</PRE>
 <DL>
 <DD>Computes the identifier (as specified by <CODE>Character.isJavaIdentifierPart(char)</CODE>) that
  immediately precedes the invocation offset.
 <P>
 <DD><DL>

 <DT><B>Returns:</B><DD>the prefix preceding the content assist invocation offset, <code>null</code> if
          there is no document
 <DT><B>Throws:</B>
 <DD><CODE>BadLocationException</CODE> - if accessing the document fails</DL>
 </DD>
 </DL>
 <HR>

 <A NAME="equals(java.lang.Object)"><!-- --></A><H3>
 equals</H3>
 <PRE>
 public boolean <B>equals</B>(java.lang.Object&nbsp;obj)</PRE>
 <DL>
 <DD>Invocation contexts are equal if they describe the same context and are of the same type.
  This implementation checks for <code>null</code> values and class equality. Subclasses
  should extend this method by adding checks for their context relevant fields (but not
  necessarily cached values).
  <p>
  Example:

  <pre>
  class MyContext extends ContentAssistInvocationContext {
         private final Object fState;
         private Object fCachedInfo;

         ...

         public boolean equals(Object obj) {
                 if (!super.equals(obj))
                         return false;
                 MyContext other= (MyContext) obj;
                 return fState.equals(other.fState);
         }
  }
  </pre>

  </p>
  <p>
  Subclasses should also extend <CODE>Object.hashCode()</CODE>.
  </p>
 <P>
 <DD><DL>
 <DT><B>Overrides:</B><DD><CODE>equals</CODE> in class <CODE>java.lang.Object</CODE></DL>
 </DD>
 <DD><DL>
 <DT><B>Parameters:</B><DD><CODE>obj</CODE> -
 <DT><B>Returns:</B><DD></DL>
 </DD>
 </DL>
 <HR>

 <A NAME="hashCode()"><!-- --></A><H3>
 hashCode</H3>
 <PRE>
 public int <B>hashCode</B>()</PRE>
 <DL>
 <DD><DL>
 <DT><B>Overrides:</B><DD><CODE>hashCode</CODE> in class <CODE>java.lang.Object</CODE></DL>
 </DD>
 <DD><DL>
 </DL>
 </DD>
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	Class ContentAssistInvocationContext</H2>
	<PRE>
	java.lang.Object
	<IMG SRC="../../../../../../../resources/inherit.gif" ALT="extended by "><B>org.eclipse.wst.jsdt.ui.text.java.ContentAssistInvocationContext</B>
	</PRE>
	<DL>
	<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/JavaContentAssistInvocationContext.html" title="class in org.eclipse.wst.jsdt.ui.text.java">JavaContentAssistInvocationContext</A></DD>
	</DL>
	<HR>
	<DL>
	<DT><PRE>public class <B>ContentAssistInvocationContext</B><DT>extends java.lang.Object</DL>
	</PRE>

	<P>
	Describes the context of an invocation of content assist in a text viewer. The context knows the
	document, the invocation offset and can lazily compute the identifier prefix preceding the
	invocation offset. It may know the viewer.
	<p>
	Subclasses may add information to their environment. For example, source code editors may provide
	specific context information such as an AST.
	</p>
	<p>
	Clients may instantiate and subclass.
	</p>


	Provisional API: This class/interface is part of an interim API that is still under development and expected to
	change significantly before reaching stability. It is being made available at this early stage to solicit feedback
	from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
	(repeatedly) as the API evolves.
	<P>

	<P>
	<HR>

	<P>

	<!-- ======== CONSTRUCTOR SUMMARY ======== -->

	<A NAME="constructor_summary"><!-- --></A>
	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
	<B>Constructor Summary</B></FONT></TH>
	</TR>
	<TR BGCOLOR="white" CLASS="TableRowColor">
	<TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#ContentAssistInvocationContext(ITextViewer)">ContentAssistInvocationContext</A></B>(ITextViewer viewer)</CODE>

	<BR>
	Equivalent to
	<A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#ContentAssistInvocationContext(ITextViewer, int)">ContentAssistInvocationContext(viewer, viewer.getSelectedRange().x)</A>.</TD>
	</TR>
	<TR BGCOLOR="white" CLASS="TableRowColor">
	<TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#ContentAssistInvocationContext(ITextViewer, int)">ContentAssistInvocationContext</A></B>(ITextViewer viewer,
	int offset)</CODE>

	<BR>
	Creates a new context for the given viewer and offset.</TD>
	</TR>
	</TABLE>

	<!-- ========== METHOD SUMMARY =========== -->

	<A NAME="method_summary"><!-- --></A>
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	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
	<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
	<B>Method Summary</B></FONT></TH>
	</TR>
	<TR BGCOLOR="white" CLASS="TableRowColor">
	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
	<CODE> java.lang.CharSequence</CODE></FONT></TD>
	<TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#computeIdentifierPrefix()">computeIdentifierPrefix</A></B>()</CODE>

	<BR>
	Computes the identifier (as specified by <CODE>Character.isJavaIdentifierPart(char)</CODE>) that
	immediately precedes the invocation offset.</TD>
	</TR>
	<TR BGCOLOR="white" CLASS="TableRowColor">
	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
	<CODE> boolean</CODE></FONT></TD>
	<TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object obj)</CODE>

	<BR>
	Invocation contexts are equal if they describe the same context and are of the same type.</TD>
	</TR>
	<TR BGCOLOR="white" CLASS="TableRowColor">
	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
	<CODE> IDocument</CODE></FONT></TD>
	<TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#getDocument()">getDocument</A></B>()</CODE>

	<BR>
	Returns the document that content assist is invoked on, or <code>null</code> if not known.</TD>
	</TR>
	<TR BGCOLOR="white" CLASS="TableRowColor">
	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
	<CODE> int</CODE></FONT></TD>
	<TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#getInvocationOffset()">getInvocationOffset</A></B>()</CODE>

	<BR>
	Returns the invocation offset.</TD>
	</TR>
	<TR BGCOLOR="white" CLASS="TableRowColor">
	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
	<CODE> ITextViewer</CODE></FONT></TD>
	<TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#getViewer()">getViewer</A></B>()</CODE>

	<BR>
	Returns the viewer, <code>null</code> if not available.</TD>
	</TR>
	<TR BGCOLOR="white" CLASS="TableRowColor">
	<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
	<CODE> int</CODE></FONT></TD>
	<TD><CODE><B><A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#hashCode()">hashCode</A></B>()</CODE>

	<BR>
	</TD>
	</TR>
	</TABLE>
	<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
	<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
	<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
	</TR>
	<TR BGCOLOR="white" CLASS="TableRowColor">
	<TD><CODE>getClass, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
	</TR>
	</TABLE>

	<P>

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

	<A NAME="constructor_detail"><!-- --></A>
	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
	<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
	<B>Constructor Detail</B></FONT></TH>
	</TR>
	</TABLE>

	<A NAME="ContentAssistInvocationContext(ITextViewer)"><!-- --></A><H3>
	ContentAssistInvocationContext</H3>
	<PRE>
	public <B>ContentAssistInvocationContext</B>(ITextViewer viewer)</PRE>
	<DL>
	<DD>Equivalent to
	<A HREF="../../../../../../../org/eclipse/wst/jsdt/ui/text/java/ContentAssistInvocationContext.html#ContentAssistInvocationContext(ITextViewer, int)">ContentAssistInvocationContext(viewer, viewer.getSelectedRange().x)</A>.
	<P>
	<DL>
	<DT><B>Parameters:</B><DD><CODE>viewer</CODE> - the text viewer that content assist is invoked in</DL>
	</DL>
	<HR>

	<A NAME="ContentAssistInvocationContext(ITextViewer, int)"><!-- --></A><H3>
	ContentAssistInvocationContext</H3>
	<PRE>
	public <B>ContentAssistInvocationContext</B>(ITextViewer viewer,
	int offset)</PRE>
	<DL>
	<DD>Creates a new context for the given viewer and offset.
	<P>
	<DL>
	<DT><B>Parameters:</B><DD><CODE>viewer</CODE> - the text viewer that content assist is invoked in<DD><CODE>offset</CODE> - the offset into the viewer's document where content assist is invoked at</DL>
	</DL>

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

	<A NAME="method_detail"><!-- --></A>
	<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
	<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
	<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
	<B>Method Detail</B></FONT></TH>
	</TR>
	</TABLE>

	<A NAME="getInvocationOffset()"><!-- --></A><H3>
	getInvocationOffset</H3>
	<PRE>
	public final int <B>getInvocationOffset</B>()</PRE>
	<DL>
	<DD>Returns the invocation offset.
	<P>
	<DD><DL>

	<DT><B>Returns:</B><DD>the invocation offset</DL>
	</DD>
	</DL>
	<HR>

	<A NAME="getViewer()"><!-- --></A><H3>
	getViewer</H3>
	<PRE>
	public final ITextViewer <B>getViewer</B>()</PRE>
	<DL>
	<DD>Returns the viewer, <code>null</code> if not available.
	<P>
	<DD><DL>

	<DT><B>Returns:</B><DD>the viewer, possibly <code>null</code></DL>
	</DD>
	</DL>
	<HR>

	<A NAME="getDocument()"><!-- --></A><H3>
	getDocument</H3>
	<PRE>
	public IDocument <B>getDocument</B>()</PRE>
	<DL>
	<DD>Returns the document that content assist is invoked on, or <code>null</code> if not known.
	<P>
	<DD><DL>

	<DT><B>Returns:</B><DD>the document or <code>null</code></DL>
	</DD>
	</DL>
	<HR>

	<A NAME="computeIdentifierPrefix()"><!-- --></A><H3>
	computeIdentifierPrefix</H3>
	<PRE>
	public java.lang.CharSequence <B>computeIdentifierPrefix</B>()
	throws BadLocationException</PRE>
	<DL>
	<DD>Computes the identifier (as specified by <CODE>Character.isJavaIdentifierPart(char)</CODE>) that
	immediately precedes the invocation offset.
	<P>
	<DD><DL>

	<DT><B>Returns:</B><DD>the prefix preceding the content assist invocation offset, <code>null</code> if
	there is no document
	<DT><B>Throws:</B>
	<DD><CODE>BadLocationException</CODE> - if accessing the document fails</DL>
	</DD>
	</DL>
	<HR>

	<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
	equals</H3>
	<PRE>
	public boolean <B>equals</B>(java.lang.Object obj)</PRE>
	<DL>
	<DD>Invocation contexts are equal if they describe the same context and are of the same type.
	This implementation checks for <code>null</code> values and class equality. Subclasses
	should extend this method by adding checks for their context relevant fields (but not
	necessarily cached values).
	<p>
	Example:

	<pre>
	class MyContext extends ContentAssistInvocationContext {
	private final Object fState;
	private Object fCachedInfo;

	...

	public boolean equals(Object obj) {
	if (!super.equals(obj))
	return false;
	MyContext other= (MyContext) obj;
	return fState.equals(other.fState);
	}
	}
	</pre>

	</p>
	<p>
	Subclasses should also extend <CODE>Object.hashCode()</CODE>.
	</p>
	<P>
	<DD><DL>
	<DT><B>Overrides:</B><DD><CODE>equals</CODE> in class <CODE>java.lang.Object</CODE></DL>
	</DD>
	<DD><DL>
	<DT><B>Parameters:</B><DD><CODE>obj</CODE> -
	<DT><B>Returns:</B><DD></DL>
	</DD>
	</DL>
	<HR>

	<A NAME="hashCode()"><!-- --></A><H3>
	hashCode</H3>
	<PRE>
	public int <B>hashCode</B>()</PRE>
	<DL>
	<DD><DL>
	<DT><B>Overrides:</B><DD><CODE>hashCode</CODE> in class <CODE>java.lang.Object</CODE></DL>
	</DD>
	<DD><DL>
	</DL>
	</DD>
	</DL>
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