com.tibbo.aggregate.common.expression

Class ExpressionUtils

java.lang.Object

com.tibbo.aggregate.common.expression.ExpressionUtils

public class ExpressionUtils
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	NULL_PARAM
static char	PARAM_ESCAPE_DOUBLE
static char	PARAM_ESCAPE_SINGLE

Constructor Summary

Constructors

Constructor and Description
ExpressionUtils()

Method Summary

Modifier and Type	Method and Description
static void	copyAttributes(AttributedObject source, AttributedObject destination)
static java.util.LinkedHashSet<Reference>	deduplicateExpressionsReferences(java.util.List<java.lang.String> expressions)
static void	dump(java.lang.String expression)
static java.lang.String	escapeStringLiteral(java.lang.String text)
static java.lang.Object	findFieldValueByReference(Reference ref, DataTable table, java.lang.Integer defaultRowIndex)
static java.util.List<Reference>	findReferences(Expression expression)
static long	generateBindingId()
static java.lang.String	getFunctionParameters(java.util.List<java.lang.Object> params)
static java.util.List<java.lang.Object>	getFunctionParameters(java.lang.String paramsString, boolean allowExpressions)
static java.lang.Object	getValue(AttributedObject ao)
static ASTStart	parse(Expression expression, boolean showExpressionInErrorText)
static ASTStart	parse(java.lang.String expressionText, boolean showExpressionInErrorText)
static TableFormat	readFormat(java.lang.String format)
static AttributedObject	toAttributed(java.lang.Object value)
static AttributedObject	toAttributed(java.lang.Object value, AttributedObject source)
static AttributedObject	toAttributed(java.lang.Object value, AttributedObject first, AttributedObject second)
static boolean	useVisibleSeparators(java.lang.String formatString)
static void	validateSyntax(Expression expression, boolean showExpressionInErrorText)

Methods inherited from class java.lang.Object

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

Field Detail

PARAM_ESCAPE_SINGLE

public static final char PARAM_ESCAPE_SINGLE

See Also:

Constant Field Values

PARAM_ESCAPE_DOUBLE

public static final char PARAM_ESCAPE_DOUBLE

See Also:

Constant Field Values

NULL_PARAM

public static final java.lang.String NULL_PARAM

See Also:

Constant Field Values

Constructor Detail

ExpressionUtils

public ExpressionUtils()

Method Detail

getValue

public static java.lang.Object getValue(AttributedObject ao)

toAttributed

public static AttributedObject toAttributed(java.lang.Object value)

toAttributed

public static AttributedObject toAttributed(java.lang.Object value,
                                            AttributedObject source)

toAttributed

public static AttributedObject toAttributed(java.lang.Object value,
                                            AttributedObject first,
                                            AttributedObject second)

copyAttributes

public static void copyAttributes(AttributedObject source,
                                  AttributedObject destination)

validateSyntax

public static void validateSyntax(Expression expression,
                                  boolean showExpressionInErrorText)
                           throws SyntaxErrorException

Throws:

SyntaxErrorException

getFunctionParameters

public static java.util.List<java.lang.Object> getFunctionParameters(java.lang.String paramsString,
                                                                     boolean allowExpressions)

getFunctionParameters

public static java.lang.String getFunctionParameters(java.util.List<java.lang.Object> params)

dump

public static void dump(java.lang.String expression)
                 throws SyntaxErrorException

Throws:

SyntaxErrorException

parse

public static ASTStart parse(Expression expression,
                             boolean showExpressionInErrorText)
                      throws SyntaxErrorException

Throws:

SyntaxErrorException

parse

public static ASTStart parse(java.lang.String expressionText,
                             boolean showExpressionInErrorText)
                      throws SyntaxErrorException

Throws:

SyntaxErrorException

findReferences

public static java.util.List<Reference> findReferences(Expression expression)
                                                throws SyntaxErrorException

Throws:

SyntaxErrorException

deduplicateExpressionsReferences

public static java.util.LinkedHashSet<Reference> deduplicateExpressionsReferences(java.util.List<java.lang.String> expressions)
                                                                           throws SyntaxErrorException

Throws:

SyntaxErrorException

escapeStringLiteral

public static java.lang.String escapeStringLiteral(java.lang.String text)

generateBindingId

public static long generateBindingId()

readFormat

public static TableFormat readFormat(java.lang.String format)
                              throws SyntaxErrorException

Throws:

SyntaxErrorException

useVisibleSeparators

public static boolean useVisibleSeparators(java.lang.String formatString)
                                    throws SyntaxErrorException

Throws:

SyntaxErrorException

findFieldValueByReference

@Nullable
public static java.lang.Object findFieldValueByReference(Reference ref,
                                                                    DataTable table,
                                                                    java.lang.Integer defaultRowIndex)