Package org.apache.calcite.linq4j.tree
Enum ExpressionType
- All Implemented Interfaces:
Serializable,Comparable<ExpressionType>,Constable
Analogous to LINQ's System.Linq.Expressions.ExpressionType.
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Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>> -
Enum Constant Summary
Enum ConstantsEnum ConstantDescriptionAn addition operation, such as a + b, without overflow checking, for numeric operands.An addition compound assignment operation, such as (a += b), without overflow checking, for numeric operands.An addition compound assignment operation, such as (a += b), with overflow checking, for numeric operands.An addition operation, such as (a + b), with overflow checking, for numeric operands.A bitwise or logical AND operation, such asa & bin Java.A conditional AND operation that evaluates the second operand only if the first operand evaluates to true.A bitwise or logical AND compound assignment operation, such as (a &= b) in C#.An indexing operation in a one-dimensional array, such asarray[index]in Java.An operation that obtains the length of a one-dimensional array, such as array.Length.An assignment operation, such as (a = b).A block of expressions.A method call, such as in theobj.sampleMethod()expression.A node that represents a null coalescing operation, such as (a ?? b) in C# or If(a, b) in Visual Basic.A conditional operation, such asa > b ? a : bin Java.A constant value.A cast or conversion operation, such as(SampleType) objin Java.A cast or conversion operation, such as(SampleType) objin Java.Debugging information.Declaration of a variable.A unary decrement operation, such as (a - 1) in C# and Visual Basic.A default value.A division operation, such as (a / b), for numeric operands.An division compound assignment operation, such as (a /= b), for numeric operands.A dynamic operation.A node that represents an equality comparison, such asa == bin Java.A bitwise or logical XOR operation, such asa ^ bin Java.A bitwise or logical XOR compound assignment operation, such as (a ^= b) in C#.An extension expression.For loop.For-each loop, "for (Type i : expression) body".A "go to" expression, such as goto Label in C# or GoTo Label in Visual Basic.A "greater than" comparison, such as (a > b).A "greater than or equal to" comparison, such as (a >= b).A unary increment operation, such as (a + 1) in C# and Visual Basic.An index operation or an operation that accesses a property that takes arguments.An operation that invokes a delegate or lambda expression, such as sampleDelegate.Invoke().A false condition value.A true condition value.A label.A lambda expression, such asa -> a + ain Java.A bitwise left-shift operation, such asa << bin Java.A bitwise left-shift compound assignment, such as (a <<= b).A "less than" comparison, such as (a < b).A "less than or equal to" comparison, such as (a <= b).An operation that creates a new IEnumerable object and initializes it from a list of elements, such as new List<SampleType>(){ a, b, c } in C# or Dim sampleList = { a, b, c } in Visual Basic.A loop, such as for or while.An operation that reads from a field or property, such as obj.SampleProperty.An operation that creates a new object and initializes one or more of its members, such as new Point { X = 1, Y = 2 } in C# or New Point With {.X = 1, .Y = 2} in Visual Basic.A percent remainder operation, such as (a % b), for numeric operands.An arithmetic remainder operation, such as (a % b) in C# or (a Mod b) in Visual Basic.An arithmetic remainder compound assignment operation, such as (a %= b) in C#.A multiplication operation, such as (a * b), without overflow checking, for numeric operands.A multiplication compound assignment operation, such as (a *= b), without overflow checking, for numeric operands.A multiplication compound assignment operation, such as (a *= b), that has overflow checking, for numeric operands.An multiplication operation, such as (a * b), that has overflow checking, for numeric operands.An arithmetic negation operation, such as (-a).An arithmetic negation operation, such as (-a), that has overflow checking.An operation that calls a constructor to create a new object, such as new SampleType().An operation that creates a new array, in which the bounds for each dimension are specified, such as new SampleType[dim1, dim2] in C# or New SampleType(dim1, dim2) in Visual Basic.An operation that creates a new one-dimensional array and initializes it from a list of elements, such as new SampleType[]{a, b, c} in C# or New SampleType(){a, b, c} in Visual Basic.A bitwise complement or logical negation operation.An inequality comparison, such as (a != b) in C# or (a <> b) in Visual Basic.A ones complement operation, such as (~a) in C#.A bitwise or logical OR operation, such as (a | b) in C# or (a Or b) in Visual Basic.A bitwise or logical OR compound assignment, such as (a |= b) in C#.A short-circuiting conditional OR operation, such as (a || b) in C# or (a OrElse b) in Visual Basic.A reference to a parameter or variable that is defined in the context of the expression.A unary postfix decrement, such as (a--).A unary postfix increment, such as (a++).A mathematical operation that raises a number to a power, such as (a ^ b) in Visual Basic.A compound assignment operation that raises a number to a power, such as (a ^= b) in Visual Basic.A unary prefix decrement, such as (--a).A unary prefix increment, such as (++a).An expression that has a constant value of type Expression.A bitwise right-shift operation, such as (a >*gt; b).A bitwise right-shift compound assignment operation, such as (a >>= b).A list of run-time variables.A subtraction operation, such as (a - b), without overflow checking, for numeric operands.A subtraction compound assignment operation, such as (a -= b), without overflow checking, for numeric operands.A subtraction compound assignment operation, such as (a -= b), that has overflow checking, for numeric operands.An arithmetic subtraction operation, such as (a - b), that has overflow checking, for numeric operands.A switch operation, such as switch in C# or Select Case in Visual Basic.An operation that throws an exception, such as throw new Exception().A try-catch expression.An explicit reference or boxing conversion in which null is supplied if the conversion fails, such as (obj as SampleType) in C# or TryCast(obj, SampleType) in Visual Basic.An exact type test.A type test, such as obj is SampleType in C# or TypeOf obj is SampleType in Visual Basic.A unary plus operation, such as (+a).An unbox value type operation, such as unbox and unbox.any instructions in MSIL.While loop. -
Method Summary
Modifier and TypeMethodDescriptionstatic ExpressionTypeReturns the enum constant of this type with the specified name.static ExpressionType[]values()Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Details
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Add
An addition operation, such as a + b, without overflow checking, for numeric operands. -
AddChecked
An addition operation, such as (a + b), with overflow checking, for numeric operands. -
And
A bitwise or logical AND operation, such asa & bin Java. -
AndAlso
A conditional AND operation that evaluates the second operand only if the first operand evaluates to true. It corresponds toa && bin Java. -
ArrayLength
An operation that obtains the length of a one-dimensional array, such as array.Length. -
ArrayIndex
An indexing operation in a one-dimensional array, such asarray[index]in Java. -
Call
A method call, such as in theobj.sampleMethod()expression. -
Coalesce
A node that represents a null coalescing operation, such as (a ?? b) in C# or If(a, b) in Visual Basic. -
Conditional
A conditional operation, such asa > b ? a : bin Java. -
Constant
A constant value. -
Convert
A cast or conversion operation, such as(SampleType) objin Java. For a numeric conversion, if the converted value is too large for the destination type, no exception is thrown. -
ConvertChecked
A cast or conversion operation, such as(SampleType) objin Java. For a numeric conversion, if the converted value does not fit the destination type, an exception is thrown. -
Divide
A division operation, such as (a / b), for numeric operands. -
Mod
A percent remainder operation, such as (a % b), for numeric operands. -
Equal
A node that represents an equality comparison, such asa == bin Java. -
ExclusiveOr
A bitwise or logical XOR operation, such asa ^ bin Java. -
GreaterThan
A "greater than" comparison, such as (a > b). -
GreaterThanOrEqual
A "greater than or equal to" comparison, such as (a >= b). -
Invoke
An operation that invokes a delegate or lambda expression, such as sampleDelegate.Invoke(). -
Lambda
A lambda expression, such asa -> a + ain Java. -
LeftShift
A bitwise left-shift operation, such asa << bin Java. -
LessThan
A "less than" comparison, such as (a < b). -
LessThanOrEqual
A "less than or equal to" comparison, such as (a <= b). -
ListInit
An operation that creates a new IEnumerable object and initializes it from a list of elements, such as new List<SampleType>(){ a, b, c } in C# or Dim sampleList = { a, b, c } in Visual Basic. -
MemberAccess
An operation that reads from a field or property, such as obj.SampleProperty. -
MemberInit
An operation that creates a new object and initializes one or more of its members, such as new Point { X = 1, Y = 2 } in C# or New Point With {.X = 1, .Y = 2} in Visual Basic. -
Modulo
An arithmetic remainder operation, such as (a % b) in C# or (a Mod b) in Visual Basic. -
Multiply
A multiplication operation, such as (a * b), without overflow checking, for numeric operands. -
MultiplyChecked
An multiplication operation, such as (a * b), that has overflow checking, for numeric operands. -
Negate
An arithmetic negation operation, such as (-a). The object a should not be modified in place. -
UnaryPlus
A unary plus operation, such as (+a). The result of a predefined unary plus operation is the value of the operand, but user-defined implementations might have unusual results. -
NegateChecked
An arithmetic negation operation, such as (-a), that has overflow checking. The object a should not be modified in place. -
New
An operation that calls a constructor to create a new object, such as new SampleType(). -
NewArrayInit
An operation that creates a new one-dimensional array and initializes it from a list of elements, such as new SampleType[]{a, b, c} in C# or New SampleType(){a, b, c} in Visual Basic. -
NewArrayBounds
An operation that creates a new array, in which the bounds for each dimension are specified, such as new SampleType[dim1, dim2] in C# or New SampleType(dim1, dim2) in Visual Basic. -
Not
A bitwise complement or logical negation operation. In C#, it is equivalent to (~a) for integral types and to (!a) for Boolean values. In Visual Basic, it is equivalent to (Not a). The object a should not be modified in place. -
NotEqual
An inequality comparison, such as (a != b) in C# or (a <> b) in Visual Basic. -
Or
A bitwise or logical OR operation, such as (a | b) in C# or (a Or b) in Visual Basic. -
OrElse
A short-circuiting conditional OR operation, such as (a || b) in C# or (a OrElse b) in Visual Basic. -
Parameter
A reference to a parameter or variable that is defined in the context of the expression. For more information, see ParameterExpression. -
Power
A mathematical operation that raises a number to a power, such as (a ^ b) in Visual Basic. -
Quote
An expression that has a constant value of type Expression. A Quote node can contain references to parameters that are defined in the context of the expression it represents. -
RightShift
A bitwise right-shift operation, such as (a >*gt; b). -
Subtract
A subtraction operation, such as (a - b), without overflow checking, for numeric operands. -
SubtractChecked
An arithmetic subtraction operation, such as (a - b), that has overflow checking, for numeric operands. -
TypeAs
An explicit reference or boxing conversion in which null is supplied if the conversion fails, such as (obj as SampleType) in C# or TryCast(obj, SampleType) in Visual Basic. -
TypeIs
A type test, such as obj is SampleType in C# or TypeOf obj is SampleType in Visual Basic. -
Assign
An assignment operation, such as (a = b). -
Block
A block of expressions. -
DebugInfo
Debugging information. -
Decrement
A unary decrement operation, such as (a - 1) in C# and Visual Basic. The object a should not be modified in place. -
Dynamic
A dynamic operation. -
Default
A default value. -
Extension
An extension expression. -
Goto
A "go to" expression, such as goto Label in C# or GoTo Label in Visual Basic. -
Increment
A unary increment operation, such as (a + 1) in C# and Visual Basic. The object a should not be modified in place. -
Index
An index operation or an operation that accesses a property that takes arguments. -
Label
A label. -
RuntimeVariables
A list of run-time variables. For more information, see RuntimeVariablesExpression. -
Loop
A loop, such as for or while. -
Switch
A switch operation, such as switch in C# or Select Case in Visual Basic. -
Throw
An operation that throws an exception, such as throw new Exception(). -
Try
A try-catch expression. -
Unbox
An unbox value type operation, such as unbox and unbox.any instructions in MSIL. -
AddAssign
An addition compound assignment operation, such as (a += b), without overflow checking, for numeric operands. -
AndAssign
A bitwise or logical AND compound assignment operation, such as (a &= b) in C#. -
DivideAssign
An division compound assignment operation, such as (a /= b), for numeric operands. -
ExclusiveOrAssign
A bitwise or logical XOR compound assignment operation, such as (a ^= b) in C#. -
LeftShiftAssign
A bitwise left-shift compound assignment, such as (a <<= b). -
ModuloAssign
An arithmetic remainder compound assignment operation, such as (a %= b) in C#. -
MultiplyAssign
A multiplication compound assignment operation, such as (a *= b), without overflow checking, for numeric operands. -
OrAssign
A bitwise or logical OR compound assignment, such as (a |= b) in C#. -
PowerAssign
A compound assignment operation that raises a number to a power, such as (a ^= b) in Visual Basic. -
RightShiftAssign
A bitwise right-shift compound assignment operation, such as (a >>= b). -
SubtractAssign
A subtraction compound assignment operation, such as (a -= b), without overflow checking, for numeric operands. -
AddAssignChecked
An addition compound assignment operation, such as (a += b), with overflow checking, for numeric operands. -
MultiplyAssignChecked
A multiplication compound assignment operation, such as (a *= b), that has overflow checking, for numeric operands. -
SubtractAssignChecked
A subtraction compound assignment operation, such as (a -= b), that has overflow checking, for numeric operands. -
PreIncrementAssign
A unary prefix increment, such as (++a). The object a should be modified in place. -
PreDecrementAssign
A unary prefix decrement, such as (--a). The object a should be modified in place. -
PostIncrementAssign
A unary postfix increment, such as (a++). The object a should be modified in place. -
PostDecrementAssign
A unary postfix decrement, such as (a--). The object a should be modified in place. -
TypeEqual
An exact type test. -
OnesComplement
A ones complement operation, such as (~a) in C#. -
IsTrue
A true condition value. -
IsFalse
A false condition value. -
Declaration
Declaration of a variable. -
For
For loop. -
ForEach
For-each loop, "for (Type i : expression) body". -
While
While loop.
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Method Details
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values
Returns an array containing the constants of this enum type, in the order they are declared.- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException- if this enum type has no constant with the specified nameNullPointerException- if the argument is null
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