Package io.deephaven.engine.table.impl.select.codegen

Class FormulaAnalyzer

java.lang.Object

io.deephaven.engine.table.impl.select.codegen.FormulaAnalyzer

public class FormulaAnalyzer
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	FormulaAnalyzer.Imports	A container to hold a single copy of imports required to compile formulas for one operation.
static class	FormulaAnalyzer.Result

Constructor Summary

Constructors

Constructor	Description
FormulaAnalyzer()

Method Summary

Modifier and Type	Method	Description
static FormulaAnalyzer.Result	analyze(String rawFormulaString, Map<String,ColumnDefinition<?>> columnDefinitionMap, QueryLanguageParser.Result queryLanguageResult)
static QueryLanguageParser.Result	parseFormula(@NotNull String formulaString, @NotNull Map<String,ColumnDefinition<?>> availableColumns, @NotNull Map<String,String> columnRenames, @NotNull FormulaAnalyzer.Imports imports)	Get the compiled formula for a given formula string.
static QueryLanguageParser.Result	parseFormula(@NotNull String formulaString, @NotNull Map<String,ColumnDefinition<?>> availableColumns, @NotNull Map<String,String> columnRenames, @NotNull FormulaAnalyzer.Imports imports, boolean unboxArguments)	Get the compiled formula for a given formula string.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FormulaAnalyzer

public FormulaAnalyzer()

Method Details

analyze

public static FormulaAnalyzer.Result analyze(String rawFormulaString,
 Map<String,ColumnDefinition<?>> columnDefinitionMap,
 QueryLanguageParser.Result queryLanguageResult)

parseFormula

public static QueryLanguageParser.Result parseFormula(@NotNull
 @NotNull String formulaString,
 @NotNull
 @NotNull Map<String,ColumnDefinition<?>> availableColumns,
 @NotNull
 @NotNull Map<String,String> columnRenames,
 @NotNull
 @NotNull FormulaAnalyzer.Imports imports)
                                               throws Exception

Get the compiled formula for a given formula string.

Parameters:

formulaString - The raw formula string

availableColumns - The columns available for use in the formula

columnRenames - Outer to inner column name mapping

imports - The query scope variables, package, class, and static imports

Returns:

The parsed formula result

Throws:

Exception - If the formula cannot be parsed

parseFormula

public static QueryLanguageParser.Result parseFormula(@NotNull
 @NotNull String formulaString,
 @NotNull
 @NotNull Map<String,ColumnDefinition<?>> availableColumns,
 @NotNull
 @NotNull Map<String,String> columnRenames,
 @NotNull
 @NotNull FormulaAnalyzer.Imports imports,
 boolean unboxArguments)
                                               throws Exception

Get the compiled formula for a given formula string.

Parameters:

formulaString - The raw formula string

availableColumns - The columns available for use in the formula

columnRenames - Outer to inner column name mapping

imports - The query scope variables, package, class, and static imports

unboxArguments - If true it will unbox the query scope arguments

Returns:

The parsed formula result

Throws:

Exception - If the formula cannot be parsed