Class VariableExpression
- java.lang.Object
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- org.datanucleus.store.query.expression.Expression
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- org.datanucleus.store.query.expression.VariableExpression
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- All Implemented Interfaces:
Serializable
public class VariableExpression extends Expression
Expression representing a variable. The variable can be explicit (declared as input to the query) or implicit (implied based on the query).- See Also:
- Serialized Form
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Nested Class Summary
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Nested classes/interfaces inherited from class org.datanucleus.store.query.expression.Expression
Expression.DyadicOperator, Expression.MonadicOperator, Expression.Operator
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Field Summary
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Fields inherited from class org.datanucleus.store.query.expression.Expression
alias, left, op, OP_ADD, OP_AND, OP_BIT_AND, OP_BIT_OR, OP_BIT_XOR, OP_CAST, OP_COM, OP_CONCAT, OP_DISTINCT, OP_DIV, OP_EQ, OP_GT, OP_GTEQ, OP_IN, OP_IS, OP_ISNOT, OP_LIKE, OP_LT, OP_LTEQ, OP_MOD, OP_MUL, OP_NEG, OP_NOT, OP_NOTEQ, OP_NOTIN, OP_OR, OP_SUB, parent, right, symbol
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Constructor Summary
Constructors Constructor Description VariableExpression(String name)
VariableExpression(String name, Class type)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Symbol
bind(SymbolTable symtbl)
Method to bind the expression to the symbol table as appropriate.String
getId()
String
toString()
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Method Detail
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getId
public String getId()
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bind
public Symbol bind(SymbolTable symtbl)
Method to bind the expression to the symbol table as appropriate.- Specified by:
bind
in classExpression
- Parameters:
symtbl
- Symbol table- Returns:
- The symbol for this expression
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