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java.lang.Objectorg.basex.query.ExprInfo
org.basex.query.expr.Expr
org.basex.query.expr.Single
org.basex.query.expr.ForLet
public abstract class ForLet
Abstract For/Let Clause.
Nested Class Summary |
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Nested classes/interfaces inherited from class org.basex.query.expr.Expr |
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Expr.Use |
Field Summary | |
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Var |
var
Variable. |
Fields inherited from class org.basex.query.expr.Single |
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expr |
Method Summary | |
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String |
color()
Returns a color string for the expression. |
boolean |
removable(Var v,
QueryContext ctx)
Checks if the specified variable is removable. |
Expr |
remove(Var v)
Removes the specified variable in a sub expression. |
Return |
returned(QueryContext ctx)
Indicates the return type of an expression. |
boolean |
uses(Expr.Use u,
QueryContext ctx)
Indicates if an expression uses the specified type. |
Methods inherited from class org.basex.query.expr.Single |
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comp, plan |
Methods inherited from class org.basex.query.expr.Expr |
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addText, atomic, checkCtx, checkDbl, checkItr, duplicates, e, ebv, i, indexAccessible, indexEquivalent, iter, sameAs, size, test, v |
Methods inherited from class org.basex.query.ExprInfo |
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info, name, toString |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public Var var
Method Detail |
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public final boolean uses(Expr.Use u, QueryContext ctx)
Expr
true
is returned by default and thus assumed as "worst-case".
uses
in class Single
u
- use type to be checkedctx
- query context
public final boolean removable(Var v, QueryContext ctx)
Expr
removable
in class Expr
v
- variable to be removedctx
- query context
public final Expr remove(Var v)
Expr
remove
in class Single
v
- variable to be removed
public final Return returned(QueryContext ctx)
Expr
returned
in class Expr
ctx
- query context
public final String color()
ExprInfo
color
in class ExprInfo
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