public class DefaultRuleDispatcher extends java.lang.Object implements Dispatcher
Constructor and Description |
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DefaultRuleDispatcher(NodeProcessor defaultProc,
java.util.Map<Rule,NodeProcessor> rules,
NodeProcessorCtx procCtx)
Constructor.
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Modifier and Type | Method and Description |
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java.lang.Object |
dispatch(Node nd,
java.util.Stack<Node> ndStack,
java.lang.Object... nodeOutputs)
Dispatcher function.
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public DefaultRuleDispatcher(NodeProcessor defaultProc, java.util.Map<Rule,NodeProcessor> rules, NodeProcessorCtx procCtx)
defaultProc
- default processor to be fired if no rule matchesrules
- operator processor that handles actual processing of the nodeprocCtx
- operator processor context, which is opaque to the dispatcherpublic java.lang.Object dispatch(Node nd, java.util.Stack<Node> ndStack, java.lang.Object... nodeOutputs) throws SemanticException
dispatch
in interface Dispatcher
nd
- operator to processndStack
- the operators encountered so farnodeOutputs
- The argument list of outputs from processing other nodes that are
passed to this dispatcher from the walker.SemanticException
Copyright © 2012 The Apache Software Foundation