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java.lang.Objectcom.atlassian.jira.jql.clause.DeMorgansVisitor
public class DeMorgansVisitor
Expands the not clauses in a clause tree using DeMorgans law and flips the operators to remove the not alltogether when possible.
Constructor Summary | |
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DeMorgansVisitor()
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Method Summary | |
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Clause |
visit(AndClause andClause)
Visit called when accepting a AndClause . |
Clause |
visit(ChangedClause clause)
Visit called when accepting a ChangedClause . |
Clause |
visit(NotClause notClause)
Visit called when accepting a NotClause . |
Clause |
visit(OrClause orClause)
Visit called when accepting a OrClause . |
Clause |
visit(TerminalClause terminalClause)
Visit called when accepting a TerminalClause . |
Clause |
visit(WasClause clause)
Visit called when accepting a WasClause . |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public DeMorgansVisitor()
Method Detail |
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public Clause visit(NotClause notClause)
ClauseVisitor
NotClause
.
visit
in interface ClauseVisitor<Clause>
notClause
- the node being visited.
public Clause visit(AndClause andClause)
ClauseVisitor
AndClause
.
visit
in interface ClauseVisitor<Clause>
andClause
- the node being visited.
public Clause visit(OrClause orClause)
ClauseVisitor
OrClause
.
visit
in interface ClauseVisitor<Clause>
orClause
- the node being visited.
public Clause visit(TerminalClause terminalClause)
ClauseVisitor
TerminalClause
.
visit
in interface ClauseVisitor<Clause>
terminalClause
- the node being visited.
public Clause visit(WasClause clause)
ClauseVisitor
WasClause
.
visit
in interface ClauseVisitor<Clause>
clause
- the node being visited.
public Clause visit(ChangedClause clause)
ClauseVisitor
ChangedClause
.
visit
in interface ClauseVisitor<Clause>
clause
- the node being visited.
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