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java.lang.Objectlij.model.Operator
public abstract class Operator
A structure operator to be used in the clause tree. Can be a parenthesis, an "or" or a "then". Each sub-class of this class has a distinct precedence, which is used during RPN processing.
Nested Class Summary | |
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static class |
Operator.CloseParen
Operator subclass. |
static class |
Operator.OpenParen
Operator subclass. |
static class |
Operator.Or
Operator subclass. |
static class |
Operator.Then
Operator subclass. |
Field Summary | |
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protected int |
precedence
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Constructor Summary | |
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Operator()
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Method Summary | |
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abstract java.lang.Object |
clone()
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int |
getPrecedence()
Accessor. |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected int precedence
Constructor Detail |
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public Operator()
Method Detail |
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public int getPrecedence()
public abstract java.lang.Object clone()
clone
in interface TreeNodeToken
clone
in class java.lang.Object
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