Package net.sf.saxon.trans.rules
Class RuleChain
- java.lang.Object
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- net.sf.saxon.trans.rules.RuleChain
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public class RuleChain extends java.lang.ObjectA chain of rules: actually in this incarnation just a pointer to the first rule in the chain, the others being linked together each to the next.
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Field Summary
Fields Modifier and Type Field Description java.lang.ObjectoptimizationData
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description intgetLength()Get the length of the rule chainRulehead()Get the first rule in the chain, or null if the chain is emptyvoidsetHead(Rule head)Set the first rule in the chain, or null if the chain is empty
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Constructor Detail
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RuleChain
public RuleChain()
Create an empty rule chain
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RuleChain
public RuleChain(Rule head)
Create an rule chain with a give rule as the head of the chain- Parameters:
head- the head of a chain of rules
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Method Detail
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head
public Rule head()
Get the first rule in the chain, or null if the chain is empty- Returns:
- the first rule in the chain, or null if empty
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setHead
public void setHead(Rule head)
Set the first rule in the chain, or null if the chain is empty- Parameters:
head- the first rule in the chain, or null if empty
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getLength
public int getLength()
Get the length of the rule chain- Returns:
- the number of rules in the chain
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