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public interface Function
Interface to value-testing extensions to the expression evaluator.
Method Summary | |
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void |
build(String uri,
ExprList args)
Called during query plan construction immediately after the construction of the extension instance. |
NodeValue |
exec(Binding binding,
ExprList args,
String uri,
FunctionEnv env)
Test a list of values - argument will not be null but may have the wrong number of arguments. |
Method Detail |
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void build(String uri, ExprList args)
args
- The parsed arguementsNodeValue exec(Binding binding, ExprList args, String uri, FunctionEnv env)
binding
- The current solutionargs
- A list of unevaluated expressionsuri
- The name of thisenv
- The execution context
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