Classes and Interfaces
ISupportsScalarDeclaration	Defines mechanism for target parse node (or other object) to list scalar variables declared.
VarDeclBase	Abstract base class that represents a variable declaration.
VarDeclPeekData	Variable declaration where the size of data (e.g., column) from a report or result must be "peeked at" to properly determine the precision (and scale, where applicable) of the target variable .
VarDeclPeekPrecision	Variable declaration where value of another variable must be "peeked at" to properly determine the precision of the declared variable; the scale is known at compile time.
VarDeclPeekScale	Variable declaration where value of another variable must be "peeked at" to properly determine the scale of the declared variable; the precision is known at compile time.
VarDeclPeekSize	Variable declaration where value of other variable(s) must be "peeked at" to properly determine the size (precision and optional scale) of the declared variable.
VarDeclStaticSize	Variable declaration where size (precision and scale) is static, i.e., known at compile-time.

Interface: ISupportsScalarDeclaration   next package

Defines mechanism for target parse node (or other object) to list scalar variables declared.

Methods

Enumerate all scalar variables declared by parse node (or other object). Returns: list of variable declaration information. public java.util.List declareScalarVariables()

Class: VarDeclBase   previous next package

Abstract base class that represents a variable declaration.

Fields

Fundamental, scalar type being voted for. protected com.arsi.mj.datatype.MaprptDataType dataType

Identifies variable being declared. protected final com.arsi.mj.maprpt.lexer.symtab.vardecl.VarDeclBase.VarDeclIdentity variableIdentity

Variable type as it would be specified in a Mapper RUN. protected com.arsi.mj.maprpt.lexer.ptree.cmd.MaprptVariableType variableType

Constructors

Restricted ctor for initializing an instance of this class. Parameters: aDataType - fundamental, scalar type of declared variable. aVariableType - type of declared variable as it would be specified in a Mapper RUN. aVarDeclIdent - identifies declared variable. protected VarDeclBase(com.arsi.mj.datatype.MaprptDataType aDataType, com.arsi.mj.maprpt.lexer.ptree.cmd.MaprptVariableType aVariableType, com.arsi.mj.maprpt.lexer.symtab.vardecl.VarDeclBase.VarDeclIdentity aVarDeclIdent)

Methods

Create a variable declaration for symbol table from variable name or number and variable type and size parsed by lexer. Parameters: aVarRef - object created by lexer that contains variable name or number. aTypeSize - object created by lexer that specifies variable type and size. Returns: variable declaration for use with symbol table or NULL if appropriate declaration could not be determined. public static com.arsi.mj.maprpt.lexer.symtab.vardecl.VarDeclBase create(com.arsi.mj.maprpt.lexer.ptree.symbol.VariableReference aVarRef, com.arsi.mj.maprpt.lexer.ptree.symbol.VariableTypeSize aTypeSize)

Get fundamental, scalar type of variable. public com.arsi.mj.datatype.MaprptDataType dataType()

Identifies declared variable. public final com.arsi.mj.maprpt.lexer.symtab.vardecl.VarDeclBase.VarDeclIdentity variableIdentity()

Get variable type being voted for as it would be specified in a Mapper RUN. public com.arsi.mj.maprpt.lexer.ptree.cmd.MaprptVariableType variableType()

Class: VarDeclPeekData   previous next package

Variable declaration where the size of data (e.g., column) from a report or result must be "peeked at" to properly determine the precision (and scale, where applicable) of the target variable .

Fields

Identifies report-or-result-to-peek-at. public final com.arsi.mj.maprpt.lexer.ptree.symbol.Cdr cdr

String bounds (e.g., (4-7)) that identifies column where data resides, NULL if dataName is not NULL. public final com.arsi.mj.maprpt.lexer.ptree.symbol.StringBounds dataBounds

Name of column (as string TextExpr or variable reference IVariableDerefExpr) that identifies column where data resides, NULL if dataBounds is not NULL. public final com.arsi.mj.maprpt.lexer.ptree.expr.ConcatExpr dataName

Constructors

Public ctor for initializing an instance of this class. Parameters: aCdr - identifies report-or-result-to-peek-at. aDataName - name of column (as string TextExpr or variable reference IVariableDerefExpr) that identifies column where data resides, NULL if position and length (bounds) identifies column instead of name. aDataBounds - name of column (as string TextExpr or variable reference IVariableDerefExpr) that identifies column where data resides, NULL if name identifies column instead of position and length. aDataType - fundamental, scalar type of declared variable. aVariableType - type of declared variable as it would be specified in a Mapper RUN. aVarDeclIdent - identifies declared variable. public VarDeclPeekData(com.arsi.mj.maprpt.lexer.ptree.symbol.Cdr aCdr, com.arsi.mj.maprpt.lexer.ptree.expr.ConcatExpr aDataName, com.arsi.mj.maprpt.lexer.ptree.symbol.StringBounds aDataBounds, com.arsi.mj.datatype.MaprptDataType aDataType, com.arsi.mj.maprpt.lexer.ptree.cmd.MaprptVariableType aVariableType, com.arsi.mj.maprpt.lexer.symtab.vardecl.VarDeclBase.VarDeclIdentity aVarDeclIdent)

Class: VarDeclPeekPrecision   previous next package

Variable declaration where value of another variable must be "peeked at" to properly determine the precision of the declared variable; the scale is known at compile time.

Fields

Identifies variable-to-peek-at to get precision. public final com.arsi.mj.maprpt.lexer.symtab.VariableReferenceIdentity peekPrecisionVarRefIdent

Compile-time scale of variable. public final java.lang.Integer scale

Constructors

Public ctor for initializing an instance of this class. Parameters: aPrecisionVarRefIdent - identifies variable-to-peek-at to get precision. aScale - compile-time scale of variable. aDataType - fundamental, scalar type of declared variable. aVariableType - type of declared variable as it would be specified in a Mapper RUN. aVarDeclIdent - identifies declared variable. public VarDeclPeekPrecision(com.arsi.mj.maprpt.lexer.symtab.VariableReferenceIdentity aPrecisionVarRefIdent, java.lang.Integer aScale, com.arsi.mj.datatype.MaprptDataType aDataType, com.arsi.mj.maprpt.lexer.ptree.cmd.MaprptVariableType aVariableType, com.arsi.mj.maprpt.lexer.symtab.vardecl.VarDeclBase.VarDeclIdentity aVarDeclIdent)

Class: VarDeclPeekScale   previous next package

Variable declaration where value of another variable must be "peeked at" to properly determine the scale of the declared variable; the precision is known at compile time.

Fields

Identifies variable-to-peek-at to get scale. public final com.arsi.mj.maprpt.lexer.symtab.VariableReferenceIdentity peekScaleVarRefIdent

Compile-time precision of variable. public final java.lang.Integer precision

Constructors

Public ctor for initializing an instance of this class. Parameters: aPrecision - compile-time precision of variable. aScaleVarRefIdent - identifies variable-to-peek-at to get scale. aDataType - fundamental, scalar type of declared variable. aVariableType - type of declared variable as it would be specified in a Mapper RUN. aVarDeclIdent - identifies declared variable. public VarDeclPeekScale(java.lang.Integer aPrecision, com.arsi.mj.maprpt.lexer.symtab.VariableReferenceIdentity aScaleVarRefIdent, com.arsi.mj.datatype.MaprptDataType aDataType, com.arsi.mj.maprpt.lexer.ptree.cmd.MaprptVariableType aVariableType, com.arsi.mj.maprpt.lexer.symtab.vardecl.VarDeclBase.VarDeclIdentity aVarDeclIdent)

Class: VarDeclPeekSize   previous next package

Variable declaration where value of other variable(s) must be "peeked at" to properly determine the size (precision and optional scale) of the declared variable.

Fields

Identifies variable-to-peek-at to get precision. public final com.arsi.mj.maprpt.lexer.symtab.VariableReferenceIdentity peekPrecisionVarRefIdent

Identifies variable-to-peek-at to get scale, if any (may be NULL). public final com.arsi.mj.maprpt.lexer.symtab.VariableReferenceIdentity peekScaleVarRefIdent

Constructors

Public ctor for initializing an instance of this class. Parameters: aPrecisionVarRefIdent - identifies variable-to-peek-at to get precision. aScaleVarRefIdent - identifies variable-to-peek-at to get scale, if any (may be NULL). aDataType - fundamental, scalar type of declared variable. aVariableType - type of declared variable as it would be specified in a Mapper RUN. aVarDeclIdent - identifies declared variable. public VarDeclPeekSize(com.arsi.mj.maprpt.lexer.symtab.VariableReferenceIdentity aPrecisionVarRefIdent, com.arsi.mj.maprpt.lexer.symtab.VariableReferenceIdentity aScaleVarRefIdent, com.arsi.mj.datatype.MaprptDataType aDataType, com.arsi.mj.maprpt.lexer.ptree.cmd.MaprptVariableType aVariableType, com.arsi.mj.maprpt.lexer.symtab.vardecl.VarDeclBase.VarDeclIdentity aVarDeclIdent)