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<FONT color="green">001</FONT> /*<a name="line.1"></a>
<FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<FONT color="green">003</FONT> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<FONT color="green">004</FONT> * distributed with this work for additional information<a name="line.4"></a>
<FONT color="green">005</FONT> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<FONT color="green">006</FONT> * to you under the Apache License, Version 2.0 (the "License");<a name="line.6"></a>
<FONT color="green">007</FONT> * you may not use this file except in compliance with the License.<a name="line.7"></a>
<FONT color="green">008</FONT> * You may obtain a copy of the License at<a name="line.8"></a>
<FONT color="green">009</FONT> *<a name="line.9"></a>
<FONT color="green">010</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<FONT color="green">011</FONT> *<a name="line.11"></a>
<FONT color="green">012</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<FONT color="green">013</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<FONT color="green">014</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<FONT color="green">015</FONT> * See the License for the specific language governing permissions and<a name="line.15"></a>
<FONT color="green">016</FONT> * limitations under the License.<a name="line.16"></a>
<FONT color="green">017</FONT> */<a name="line.17"></a>
<FONT color="green">018</FONT> /*<a name="line.18"></a>
<FONT color="green">019</FONT> * $Id: FilterExprIteratorSimple.java 468655 2006-10-28 07:12:06Z minchau $<a name="line.19"></a>
<FONT color="green">020</FONT> */<a name="line.20"></a>
<FONT color="green">021</FONT> package org.apache.xpath.axes;<a name="line.21"></a>
<FONT color="green">022</FONT> <a name="line.22"></a>
<FONT color="green">023</FONT> import org.apache.xml.dtm.Axis;<a name="line.23"></a>
<FONT color="green">024</FONT> import org.apache.xml.dtm.DTM;<a name="line.24"></a>
<FONT color="green">025</FONT> import org.apache.xml.utils.PrefixResolver;<a name="line.25"></a>
<FONT color="green">026</FONT> import org.apache.xpath.Expression;<a name="line.26"></a>
<FONT color="green">027</FONT> import org.apache.xpath.ExpressionOwner;<a name="line.27"></a>
<FONT color="green">028</FONT> import org.apache.xpath.VariableStack;<a name="line.28"></a>
<FONT color="green">029</FONT> import org.apache.xpath.XPathContext;<a name="line.29"></a>
<FONT color="green">030</FONT> import org.apache.xpath.XPathVisitor;<a name="line.30"></a>
<FONT color="green">031</FONT> import org.apache.xpath.objects.XNodeSet;<a name="line.31"></a>
<FONT color="green">032</FONT> <a name="line.32"></a>
<FONT color="green">033</FONT> /**<a name="line.33"></a>
<FONT color="green">034</FONT> * Class to use for one-step iteration that doesn't have a predicate, and <a name="line.34"></a>
<FONT color="green">035</FONT> * doesn't need to set the context.<a name="line.35"></a>
<FONT color="green">036</FONT> */<a name="line.36"></a>
<FONT color="green">037</FONT> public class FilterExprIteratorSimple extends LocPathIterator<a name="line.37"></a>
<FONT color="green">038</FONT> {<a name="line.38"></a>
<FONT color="green">039</FONT> static final long serialVersionUID = -6978977187025375579L;<a name="line.39"></a>
<FONT color="green">040</FONT> /** The contained expression. Should be non-null.<a name="line.40"></a>
<FONT color="green">041</FONT> * @serial */<a name="line.41"></a>
<FONT color="green">042</FONT> private Expression m_expr;<a name="line.42"></a>
<FONT color="green">043</FONT> <a name="line.43"></a>
<FONT color="green">044</FONT> /** The result of executing m_expr. Needs to be deep cloned on clone op. */<a name="line.44"></a>
<FONT color="green">045</FONT> transient private XNodeSet m_exprObj;<a name="line.45"></a>
<FONT color="green">046</FONT> <a name="line.46"></a>
<FONT color="green">047</FONT> private boolean m_mustHardReset = false;<a name="line.47"></a>
<FONT color="green">048</FONT> private boolean m_canDetachNodeset = true;<a name="line.48"></a>
<FONT color="green">049</FONT> <a name="line.49"></a>
<FONT color="green">050</FONT> /**<a name="line.50"></a>
<FONT color="green">051</FONT> * Create a FilterExprIteratorSimple object.<a name="line.51"></a>
<FONT color="green">052</FONT> *<a name="line.52"></a>
<FONT color="green">053</FONT> */<a name="line.53"></a>
<FONT color="green">054</FONT> public FilterExprIteratorSimple()<a name="line.54"></a>
<FONT color="green">055</FONT> {<a name="line.55"></a>
<FONT color="green">056</FONT> super(null);<a name="line.56"></a>
<FONT color="green">057</FONT> }<a name="line.57"></a>
<FONT color="green">058</FONT> <a name="line.58"></a>
<FONT color="green">059</FONT> /**<a name="line.59"></a>
<FONT color="green">060</FONT> * Create a FilterExprIteratorSimple object.<a name="line.60"></a>
<FONT color="green">061</FONT> *<a name="line.61"></a>
<FONT color="green">062</FONT> */<a name="line.62"></a>
<FONT color="green">063</FONT> public FilterExprIteratorSimple(Expression expr)<a name="line.63"></a>
<FONT color="green">064</FONT> {<a name="line.64"></a>
<FONT color="green">065</FONT> super(null);<a name="line.65"></a>
<FONT color="green">066</FONT> m_expr = expr;<a name="line.66"></a>
<FONT color="green">067</FONT> }<a name="line.67"></a>
<FONT color="green">068</FONT> <a name="line.68"></a>
<FONT color="green">069</FONT> /**<a name="line.69"></a>
<FONT color="green">070</FONT> * Initialize the context values for this expression<a name="line.70"></a>
<FONT color="green">071</FONT> * after it is cloned.<a name="line.71"></a>
<FONT color="green">072</FONT> *<a name="line.72"></a>
<FONT color="green">073</FONT> * @param context The XPath runtime context for this<a name="line.73"></a>
<FONT color="green">074</FONT> * transformation.<a name="line.74"></a>
<FONT color="green">075</FONT> */<a name="line.75"></a>
<FONT color="green">076</FONT> public void setRoot(int context, Object environment)<a name="line.76"></a>
<FONT color="green">077</FONT> {<a name="line.77"></a>
<FONT color="green">078</FONT> super.setRoot(context, environment);<a name="line.78"></a>
<FONT color="green">079</FONT> m_exprObj = executeFilterExpr(context, m_execContext, getPrefixResolver(), <a name="line.79"></a>
<FONT color="green">080</FONT> getIsTopLevel(), m_stackFrame, m_expr);<a name="line.80"></a>
<FONT color="green">081</FONT> }<a name="line.81"></a>
<FONT color="green">082</FONT> <a name="line.82"></a>
<FONT color="green">083</FONT> /**<a name="line.83"></a>
<FONT color="green">084</FONT> * Execute the expression. Meant for reuse by other FilterExpr iterators <a name="line.84"></a>
<FONT color="green">085</FONT> * that are not derived from this object.<a name="line.85"></a>
<FONT color="green">086</FONT> */<a name="line.86"></a>
<FONT color="green">087</FONT> public static XNodeSet executeFilterExpr(int context, XPathContext xctxt, <a name="line.87"></a>
<FONT color="green">088</FONT> PrefixResolver prefixResolver,<a name="line.88"></a>
<FONT color="green">089</FONT> boolean isTopLevel,<a name="line.89"></a>
<FONT color="green">090</FONT> int stackFrame,<a name="line.90"></a>
<FONT color="green">091</FONT> Expression expr )<a name="line.91"></a>
<FONT color="green">092</FONT> throws org.apache.xml.utils.WrappedRuntimeException<a name="line.92"></a>
<FONT color="green">093</FONT> {<a name="line.93"></a>
<FONT color="green">094</FONT> PrefixResolver savedResolver = xctxt.getNamespaceContext();<a name="line.94"></a>
<FONT color="green">095</FONT> XNodeSet result = null;<a name="line.95"></a>
<FONT color="green">096</FONT> <a name="line.96"></a>
<FONT color="green">097</FONT> try<a name="line.97"></a>
<FONT color="green">098</FONT> {<a name="line.98"></a>
<FONT color="green">099</FONT> xctxt.pushCurrentNode(context);<a name="line.99"></a>
<FONT color="green">100</FONT> xctxt.setNamespaceContext(prefixResolver);<a name="line.100"></a>
<FONT color="green">101</FONT> <a name="line.101"></a>
<FONT color="green">102</FONT> // The setRoot operation can take place with a reset operation, <a name="line.102"></a>
<FONT color="green">103</FONT> // and so we may not be in the context of LocPathIterator#nextNode, <a name="line.103"></a>
<FONT color="green">104</FONT> // so we have to set up the variable context, execute the expression, <a name="line.104"></a>
<FONT color="green">105</FONT> // and then restore the variable context.<a name="line.105"></a>
<FONT color="green">106</FONT> <a name="line.106"></a>
<FONT color="green">107</FONT> if (isTopLevel)<a name="line.107"></a>
<FONT color="green">108</FONT> {<a name="line.108"></a>
<FONT color="green">109</FONT> // System.out.println("calling m_expr.execute(getXPathContext())");<a name="line.109"></a>
<FONT color="green">110</FONT> VariableStack vars = xctxt.getVarStack();<a name="line.110"></a>
<FONT color="green">111</FONT> <a name="line.111"></a>
<FONT color="green">112</FONT> // These three statements need to be combined into one operation.<a name="line.112"></a>
<FONT color="green">113</FONT> int savedStart = vars.getStackFrame();<a name="line.113"></a>
<FONT color="green">114</FONT> vars.setStackFrame(stackFrame);<a name="line.114"></a>
<FONT color="green">115</FONT> <a name="line.115"></a>
<FONT color="green">116</FONT> result = (org.apache.xpath.objects.XNodeSet) expr.execute(xctxt);<a name="line.116"></a>
<FONT color="green">117</FONT> result.setShouldCacheNodes(true);<a name="line.117"></a>
<FONT color="green">118</FONT> <a name="line.118"></a>
<FONT color="green">119</FONT> // These two statements need to be combined into one operation.<a name="line.119"></a>
<FONT color="green">120</FONT> vars.setStackFrame(savedStart);<a name="line.120"></a>
<FONT color="green">121</FONT> }<a name="line.121"></a>
<FONT color="green">122</FONT> else<a name="line.122"></a>
<FONT color="green">123</FONT> result = (org.apache.xpath.objects.XNodeSet) expr.execute(xctxt);<a name="line.123"></a>
<FONT color="green">124</FONT> <a name="line.124"></a>
<FONT color="green">125</FONT> }<a name="line.125"></a>
<FONT color="green">126</FONT> catch (javax.xml.transform.TransformerException se)<a name="line.126"></a>
<FONT color="green">127</FONT> {<a name="line.127"></a>
<FONT color="green">128</FONT> <a name="line.128"></a>
<FONT color="green">129</FONT> // TODO: Fix...<a name="line.129"></a>
<FONT color="green">130</FONT> throw new org.apache.xml.utils.WrappedRuntimeException(se);<a name="line.130"></a>
<FONT color="green">131</FONT> }<a name="line.131"></a>
<FONT color="green">132</FONT> finally<a name="line.132"></a>
<FONT color="green">133</FONT> {<a name="line.133"></a>
<FONT color="green">134</FONT> xctxt.popCurrentNode();<a name="line.134"></a>
<FONT color="green">135</FONT> xctxt.setNamespaceContext(savedResolver);<a name="line.135"></a>
<FONT color="green">136</FONT> }<a name="line.136"></a>
<FONT color="green">137</FONT> return result;<a name="line.137"></a>
<FONT color="green">138</FONT> }<a name="line.138"></a>
<FONT color="green">139</FONT> <a name="line.139"></a>
<FONT color="green">140</FONT> /**<a name="line.140"></a>
<FONT color="green">141</FONT> * Returns the next node in the set and advances the position of the<a name="line.141"></a>
<FONT color="green">142</FONT> * iterator in the set. After a NodeIterator is created, the first call<a name="line.142"></a>
<FONT color="green">143</FONT> * to nextNode() returns the first node in the set.<a name="line.143"></a>
<FONT color="green">144</FONT> *<a name="line.144"></a>
<FONT color="green">145</FONT> * @return The next &lt;code&gt;Node&lt;/code&gt; in the set being iterated over, or<a name="line.145"></a>
<FONT color="green">146</FONT> * &lt;code&gt;null&lt;/code&gt; if there are no more members in that set.<a name="line.146"></a>
<FONT color="green">147</FONT> */<a name="line.147"></a>
<FONT color="green">148</FONT> public int nextNode()<a name="line.148"></a>
<FONT color="green">149</FONT> {<a name="line.149"></a>
<FONT color="green">150</FONT> if(m_foundLast)<a name="line.150"></a>
<FONT color="green">151</FONT> return DTM.NULL;<a name="line.151"></a>
<FONT color="green">152</FONT> <a name="line.152"></a>
<FONT color="green">153</FONT> int next;<a name="line.153"></a>
<FONT color="green">154</FONT> <a name="line.154"></a>
<FONT color="green">155</FONT> if (null != m_exprObj)<a name="line.155"></a>
<FONT color="green">156</FONT> {<a name="line.156"></a>
<FONT color="green">157</FONT> m_lastFetched = next = m_exprObj.nextNode();<a name="line.157"></a>
<FONT color="green">158</FONT> }<a name="line.158"></a>
<FONT color="green">159</FONT> else<a name="line.159"></a>
<FONT color="green">160</FONT> m_lastFetched = next = DTM.NULL;<a name="line.160"></a>
<FONT color="green">161</FONT> <a name="line.161"></a>
<FONT color="green">162</FONT> // m_lastFetched = next;<a name="line.162"></a>
<FONT color="green">163</FONT> if (DTM.NULL != next)<a name="line.163"></a>
<FONT color="green">164</FONT> {<a name="line.164"></a>
<FONT color="green">165</FONT> m_pos++;<a name="line.165"></a>
<FONT color="green">166</FONT> return next;<a name="line.166"></a>
<FONT color="green">167</FONT> }<a name="line.167"></a>
<FONT color="green">168</FONT> else<a name="line.168"></a>
<FONT color="green">169</FONT> {<a name="line.169"></a>
<FONT color="green">170</FONT> m_foundLast = true;<a name="line.170"></a>
<FONT color="green">171</FONT> <a name="line.171"></a>
<FONT color="green">172</FONT> return DTM.NULL;<a name="line.172"></a>
<FONT color="green">173</FONT> }<a name="line.173"></a>
<FONT color="green">174</FONT> }<a name="line.174"></a>
<FONT color="green">175</FONT> <a name="line.175"></a>
<FONT color="green">176</FONT> /**<a name="line.176"></a>
<FONT color="green">177</FONT> * Detaches the walker from the set which it iterated over, releasing<a name="line.177"></a>
<FONT color="green">178</FONT> * any computational resources and placing the iterator in the INVALID<a name="line.178"></a>
<FONT color="green">179</FONT> * state.<a name="line.179"></a>
<FONT color="green">180</FONT> */<a name="line.180"></a>
<FONT color="green">181</FONT> public void detach()<a name="line.181"></a>
<FONT color="green">182</FONT> { <a name="line.182"></a>
<FONT color="green">183</FONT> if(m_allowDetach)<a name="line.183"></a>
<FONT color="green">184</FONT> {<a name="line.184"></a>
<FONT color="green">185</FONT> super.detach();<a name="line.185"></a>
<FONT color="green">186</FONT> m_exprObj.detach();<a name="line.186"></a>
<FONT color="green">187</FONT> m_exprObj = null;<a name="line.187"></a>
<FONT color="green">188</FONT> }<a name="line.188"></a>
<FONT color="green">189</FONT> }<a name="line.189"></a>
<FONT color="green">190</FONT> <a name="line.190"></a>
<FONT color="green">191</FONT> /**<a name="line.191"></a>
<FONT color="green">192</FONT> * This function is used to fixup variables from QNames to stack frame <a name="line.192"></a>
<FONT color="green">193</FONT> * indexes at stylesheet build time.<a name="line.193"></a>
<FONT color="green">194</FONT> * @param vars List of QNames that correspond to variables. This list <a name="line.194"></a>
<FONT color="green">195</FONT> * should be searched backwards for the first qualified name that <a name="line.195"></a>
<FONT color="green">196</FONT> * corresponds to the variable reference qname. The position of the <a name="line.196"></a>
<FONT color="green">197</FONT> * QName in the vector from the start of the vector will be its position <a name="line.197"></a>
<FONT color="green">198</FONT> * in the stack frame (but variables above the globalsTop value will need <a name="line.198"></a>
<FONT color="green">199</FONT> * to be offset to the current stack frame).<a name="line.199"></a>
<FONT color="green">200</FONT> */<a name="line.200"></a>
<FONT color="green">201</FONT> public void fixupVariables(java.util.Vector vars, int globalsSize)<a name="line.201"></a>
<FONT color="green">202</FONT> {<a name="line.202"></a>
<FONT color="green">203</FONT> super.fixupVariables(vars, globalsSize);<a name="line.203"></a>
<FONT color="green">204</FONT> m_expr.fixupVariables(vars, globalsSize);<a name="line.204"></a>
<FONT color="green">205</FONT> }<a name="line.205"></a>
<FONT color="green">206</FONT> <a name="line.206"></a>
<FONT color="green">207</FONT> /**<a name="line.207"></a>
<FONT color="green">208</FONT> * Get the inner contained expression of this filter.<a name="line.208"></a>
<FONT color="green">209</FONT> */<a name="line.209"></a>
<FONT color="green">210</FONT> public Expression getInnerExpression()<a name="line.210"></a>
<FONT color="green">211</FONT> {<a name="line.211"></a>
<FONT color="green">212</FONT> return m_expr;<a name="line.212"></a>
<FONT color="green">213</FONT> }<a name="line.213"></a>
<FONT color="green">214</FONT> <a name="line.214"></a>
<FONT color="green">215</FONT> /**<a name="line.215"></a>
<FONT color="green">216</FONT> * Set the inner contained expression of this filter.<a name="line.216"></a>
<FONT color="green">217</FONT> */<a name="line.217"></a>
<FONT color="green">218</FONT> public void setInnerExpression(Expression expr)<a name="line.218"></a>
<FONT color="green">219</FONT> {<a name="line.219"></a>
<FONT color="green">220</FONT> expr.exprSetParent(this);<a name="line.220"></a>
<FONT color="green">221</FONT> m_expr = expr;<a name="line.221"></a>
<FONT color="green">222</FONT> }<a name="line.222"></a>
<FONT color="green">223</FONT> <a name="line.223"></a>
<FONT color="green">224</FONT> /** <a name="line.224"></a>
<FONT color="green">225</FONT> * Get the analysis bits for this walker, as defined in the WalkerFactory.<a name="line.225"></a>
<FONT color="green">226</FONT> * @return One of WalkerFactory#BIT_DESCENDANT, etc.<a name="line.226"></a>
<FONT color="green">227</FONT> */<a name="line.227"></a>
<FONT color="green">228</FONT> public int getAnalysisBits()<a name="line.228"></a>
<FONT color="green">229</FONT> {<a name="line.229"></a>
<FONT color="green">230</FONT> if (null != m_expr &amp;&amp; m_expr instanceof PathComponent)<a name="line.230"></a>
<FONT color="green">231</FONT> {<a name="line.231"></a>
<FONT color="green">232</FONT> return ((PathComponent) m_expr).getAnalysisBits();<a name="line.232"></a>
<FONT color="green">233</FONT> }<a name="line.233"></a>
<FONT color="green">234</FONT> return WalkerFactory.BIT_FILTER;<a name="line.234"></a>
<FONT color="green">235</FONT> }<a name="line.235"></a>
<FONT color="green">236</FONT> <a name="line.236"></a>
<FONT color="green">237</FONT> /**<a name="line.237"></a>
<FONT color="green">238</FONT> * Returns true if all the nodes in the iteration well be returned in document <a name="line.238"></a>
<FONT color="green">239</FONT> * order.<a name="line.239"></a>
<FONT color="green">240</FONT> * Warning: This can only be called after setRoot has been called!<a name="line.240"></a>
<FONT color="green">241</FONT> * <a name="line.241"></a>
<FONT color="green">242</FONT> * @return true as a default.<a name="line.242"></a>
<FONT color="green">243</FONT> */<a name="line.243"></a>
<FONT color="green">244</FONT> public boolean isDocOrdered()<a name="line.244"></a>
<FONT color="green">245</FONT> {<a name="line.245"></a>
<FONT color="green">246</FONT> return m_exprObj.isDocOrdered();<a name="line.246"></a>
<FONT color="green">247</FONT> }<a name="line.247"></a>
<FONT color="green">248</FONT> <a name="line.248"></a>
<FONT color="green">249</FONT> class filterExprOwner implements ExpressionOwner<a name="line.249"></a>
<FONT color="green">250</FONT> {<a name="line.250"></a>
<FONT color="green">251</FONT> /**<a name="line.251"></a>
<FONT color="green">252</FONT> * @see ExpressionOwner#getExpression()<a name="line.252"></a>
<FONT color="green">253</FONT> */<a name="line.253"></a>
<FONT color="green">254</FONT> public Expression getExpression()<a name="line.254"></a>
<FONT color="green">255</FONT> {<a name="line.255"></a>
<FONT color="green">256</FONT> return m_expr;<a name="line.256"></a>
<FONT color="green">257</FONT> }<a name="line.257"></a>
<FONT color="green">258</FONT> <a name="line.258"></a>
<FONT color="green">259</FONT> /**<a name="line.259"></a>
<FONT color="green">260</FONT> * @see ExpressionOwner#setExpression(Expression)<a name="line.260"></a>
<FONT color="green">261</FONT> */<a name="line.261"></a>
<FONT color="green">262</FONT> public void setExpression(Expression exp)<a name="line.262"></a>
<FONT color="green">263</FONT> {<a name="line.263"></a>
<FONT color="green">264</FONT> exp.exprSetParent(FilterExprIteratorSimple.this);<a name="line.264"></a>
<FONT color="green">265</FONT> m_expr = exp;<a name="line.265"></a>
<FONT color="green">266</FONT> }<a name="line.266"></a>
<FONT color="green">267</FONT> <a name="line.267"></a>
<FONT color="green">268</FONT> }<a name="line.268"></a>
<FONT color="green">269</FONT> <a name="line.269"></a>
<FONT color="green">270</FONT> /**<a name="line.270"></a>
<FONT color="green">271</FONT> * This will traverse the heararchy, calling the visitor for <a name="line.271"></a>
<FONT color="green">272</FONT> * each member. If the called visitor method returns <a name="line.272"></a>
<FONT color="green">273</FONT> * false, the subtree should not be called.<a name="line.273"></a>
<FONT color="green">274</FONT> * <a name="line.274"></a>
<FONT color="green">275</FONT> * @param visitor The visitor whose appropriate method will be called.<a name="line.275"></a>
<FONT color="green">276</FONT> */<a name="line.276"></a>
<FONT color="green">277</FONT> public void callPredicateVisitors(XPathVisitor visitor)<a name="line.277"></a>
<FONT color="green">278</FONT> {<a name="line.278"></a>
<FONT color="green">279</FONT> m_expr.callVisitors(new filterExprOwner(), visitor);<a name="line.279"></a>
<FONT color="green">280</FONT> <a name="line.280"></a>
<FONT color="green">281</FONT> super.callPredicateVisitors(visitor);<a name="line.281"></a>
<FONT color="green">282</FONT> }<a name="line.282"></a>
<FONT color="green">283</FONT> <a name="line.283"></a>
<FONT color="green">284</FONT> /**<a name="line.284"></a>
<FONT color="green">285</FONT> * @see Expression#deepEquals(Expression)<a name="line.285"></a>
<FONT color="green">286</FONT> */<a name="line.286"></a>
<FONT color="green">287</FONT> public boolean deepEquals(Expression expr)<a name="line.287"></a>
<FONT color="green">288</FONT> {<a name="line.288"></a>
<FONT color="green">289</FONT> if (!super.deepEquals(expr))<a name="line.289"></a>
<FONT color="green">290</FONT> return false;<a name="line.290"></a>
<FONT color="green">291</FONT> <a name="line.291"></a>
<FONT color="green">292</FONT> FilterExprIteratorSimple fet = (FilterExprIteratorSimple) expr;<a name="line.292"></a>
<FONT color="green">293</FONT> if (!m_expr.deepEquals(fet.m_expr))<a name="line.293"></a>
<FONT color="green">294</FONT> return false;<a name="line.294"></a>
<FONT color="green">295</FONT> <a name="line.295"></a>
<FONT color="green">296</FONT> return true;<a name="line.296"></a>
<FONT color="green">297</FONT> }<a name="line.297"></a>
<FONT color="green">298</FONT> <a name="line.298"></a>
<FONT color="green">299</FONT> /**<a name="line.299"></a>
<FONT color="green">300</FONT> * Returns the axis being iterated, if it is known.<a name="line.300"></a>
<FONT color="green">301</FONT> * <a name="line.301"></a>
<FONT color="green">302</FONT> * @return Axis.CHILD, etc., or -1 if the axis is not known or is of multiple <a name="line.302"></a>
<FONT color="green">303</FONT> * types.<a name="line.303"></a>
<FONT color="green">304</FONT> */<a name="line.304"></a>
<FONT color="green">305</FONT> public int getAxis()<a name="line.305"></a>
<FONT color="green">306</FONT> {<a name="line.306"></a>
<FONT color="green">307</FONT> if(null != m_exprObj)<a name="line.307"></a>
<FONT color="green">308</FONT> return m_exprObj.getAxis();<a name="line.308"></a>
<FONT color="green">309</FONT> else<a name="line.309"></a>
<FONT color="green">310</FONT> return Axis.FILTEREDLIST;<a name="line.310"></a>
<FONT color="green">311</FONT> }<a name="line.311"></a>
<FONT color="green">312</FONT> <a name="line.312"></a>
<FONT color="green">313</FONT> <a name="line.313"></a>
<FONT color="green">314</FONT> }<a name="line.314"></a>
<FONT color="green">315</FONT> <a name="line.315"></a>
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