Re: [JXPath] evaluating expression on a given node

Thu, 20 Feb 2003 01:53:18 -0800 



You will need to create a separate context for every node, because a context
is associated with its context node at birth and for life.  You don't need
to keep the contexts - create them as you need them and throw them away.
They are really not heavy weight at all, provided that you keep all the
heavy-weight stuff like variables and extension functions on the shared base
context.




I am still unclear about the context thing. However, I have already 
achieved my goal with Jaxen, and will try the same with JXPath now, by 
looking at the source code






BTW, any hints on how to build JXPath from cvs? I am getting lots of
test failures, and maven.log is full of error messages about invalid
uses of Jelly tags.



If you are having problems with the Maven build, try the regular Ant build -
it works like a charm.




what makes me feel uncomfortable is the test failures I see all over the 
place:



test:test:

    [junit] Running 
org.apache.commons.jxpath.ri.axes.SimplePathInterpreterTest

    [junit] Tests run: 8, Failures: 0, Errors: 0, Time elapsed: 1,488 sec

    [junit] Running 
org.apache.commons.jxpath.ri.JXPathCompiledExpressionTest

    [junit] Tests run: 29, Failures: 0, Errors: 0, Time elapsed: 0,811 sec

    [junit] Running 
org.apache.commons.jxpath.ri.compiler.ContextDependencyTest

    [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 0,362 sec

    [junit] Running org.apache.commons.jxpath.ri.compiler.CoreFunctionTest

    [junit] Tests run: 4, Failures: 1, Errors: 0, Time elapsed: 1 sec

    [junit] [ERROR] TEST 
org.apache.commons.jxpath.ri.compiler.CoreFunctionTest FAILED

    [junit] Running org.apache.commons.jxpath.ri.compiler.CoreOperationTest

    [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 0,732 sec

    [junit] Running 
org.apache.commons.jxpath.ri.compiler.ExtensionFunctionTest

    [junit] Tests run: 13, Failures: 0, Errors: 0, Time elapsed: 1,226 sec

    [junit] Running org.apache.commons.jxpath.ri.compiler.VariableTest

    [junit] Tests run: 18, Failures: 0, Errors: 0, Time elapsed: 0,873 sec

    [junit] Running org.apache.commons.jxpath.ri.model.beans.BeanModelTest

    [junit] Tests run: 46, Failures: 1, Errors: 0, Time elapsed: 1,573 sec

    [junit] [ERROR] TEST 
org.apache.commons.jxpath.ri.model.beans.BeanModelTest FAILED

    [junit] Running org.apache.commons.jxpath.ri.model.MixedModelTest

    [junit] Tests run: 39, Failures: 0, Errors: 0, Time elapsed: 1,838 sec

    [junit] Running org.apache.commons.jxpath.ri.model.dom.DOMModelTest

    [junit] Tests run: 27, Failures: 1, Errors: 0, Time elapsed: 2,171 sec

    [junit] [ERROR] TEST 
org.apache.commons.jxpath.ri.model.dom.DOMModelTest FAILED

    [junit] Running 
org.apache.commons.jxpath.ri.model.dynabeans.DynaBeanModelTest

    [junit] Tests run: 46, Failures: 1, Errors: 0, Time elapsed: 1,869 sec

    [junit] [ERROR] TEST 
org.apache.commons.jxpath.ri.model.dynabeans.DynaBeanModelTest FAILED

    [junit] Running 
org.apache.commons.jxpath.ri.model.dynamic.DynamicPropertiesModelTest

    [junit] Tests run: 16, Failures: 0, Errors: 0, Time elapsed: 1,022 sec

    [junit] Running org.apache.commons.jxpath.ri.model.jdom.JDOMModelTest

    [junit] Tests run: 27, Failures: 1, Errors: 0, Time elapsed: 3,547 sec

    [junit] [ERROR] TEST 
org.apache.commons.jxpath.ri.model.jdom.JDOMModelTest FAILED

    [junit] Running org.apache.commons.jxpath.util.BasicTypeConverterTest

    [junit] Tests run: 5, Failures: 0, Errors: 0, Time elapsed: 0,208 sec





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