Package org.h2.value

Class ExtTypeInfoEnum

java.lang.Object

org.h2.value.ExtTypeInfo

org.h2.value.ExtTypeInfoEnum

All Implemented Interfaces:

HasSQL

public final class ExtTypeInfoEnum
extends ExtTypeInfo

Extended parameters of the ENUM data type.

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.String[]	cleaned
private java.lang.String[]	enumerators
private TypeInfo	type

Fields inherited from interface org.h2.util.HasSQL

ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

Constructor Summary

Constructors

Constructor	Description
ExtTypeInfoEnum(java.lang.String[] enumerators)	Creates new instance of extended parameters of the ENUM data type.

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object obj)
int	getCount()	Get count of elements in enumeration.
java.lang.String	getEnumerator(int ordinal)	Returns an enumerator with specified 0-based ordinal value.
static ExtTypeInfoEnum	getEnumeratorsForBinaryOperation(Value left, Value right)	Returns enumerators for the two specified values for a binary operation.
java.lang.StringBuilder	getSQL(java.lang.StringBuilder builder, int sqlFlags)	Appends the SQL statement of this object to the specified builder.
(package private) TypeInfo	getType()
ValueEnum	getValue(int ordinal, CastDataProvider provider)	Get ValueEnum instance for an ordinal.
ValueEnum	getValue(java.lang.String label, CastDataProvider provider)	Get ValueEnum instance for a label string.
private ValueEnum	getValueOrNull(java.lang.String label, CastDataProvider provider)
int	hashCode()
private static java.lang.String	sanitize(java.lang.String label)
private static java.lang.StringBuilder	toSQL(java.lang.StringBuilder builder, java.lang.String[] enumerators)

Methods inherited from class org.h2.value.ExtTypeInfo

toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.h2.util.HasSQL

getSQL, getTraceSQL

Field Detail

enumerators

private final java.lang.String[] enumerators

cleaned

private final java.lang.String[] cleaned

type

private TypeInfo type

Constructor Detail

ExtTypeInfoEnum

public ExtTypeInfoEnum(java.lang.String[] enumerators)

Creates new instance of extended parameters of the ENUM data type.

Parameters:

enumerators - the enumerators. May not be modified by caller or this class.

Method Detail

getEnumeratorsForBinaryOperation

public static ExtTypeInfoEnum getEnumeratorsForBinaryOperation(Value left,
                                                               Value right)

Returns enumerators for the two specified values for a binary operation.

Parameters:

left - left (first) operand

right - right (second) operand

Returns:

enumerators from the left or the right value, or an empty array if both values do not have enumerators

sanitize

private static java.lang.String sanitize(java.lang.String label)

toSQL

private static java.lang.StringBuilder toSQL(java.lang.StringBuilder builder,
                                             java.lang.String[] enumerators)

getType

TypeInfo getType()

getCount

public int getCount()

Get count of elements in enumeration.

Returns:

count of elements in enumeration

getEnumerator

public java.lang.String getEnumerator(int ordinal)

Returns an enumerator with specified 0-based ordinal value.

Parameters:

ordinal - ordinal value of an enumerator

Returns:

the enumerator with specified ordinal value

getValue

public ValueEnum getValue(int ordinal,
                          CastDataProvider provider)

Get ValueEnum instance for an ordinal.

Parameters:

ordinal - ordinal value of an enum

provider - the cast information provider

Returns:

ValueEnum instance

getValue

public ValueEnum getValue(java.lang.String label,
                          CastDataProvider provider)

Get ValueEnum instance for a label string.

Parameters:

label - label string

provider - the cast information provider

Returns:

ValueEnum instance

getValueOrNull

private ValueEnum getValueOrNull(java.lang.String label,
                                 CastDataProvider provider)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

getSQL

public java.lang.StringBuilder getSQL(java.lang.StringBuilder builder,
                                      int sqlFlags)

Description copied from interface: HasSQL

Appends the SQL statement of this object to the specified builder.

Parameters:

builder - string builder

sqlFlags - formatting flags

Returns:

the specified string builder