org.h2.value

类 ExtTypeInfoEnum

java.lang.Object

org.h2.value.ExtTypeInfo

org.h2.value.ExtTypeInfoEnum

所有已实现的接口:

HasSQL

public final class ExtTypeInfoEnum
extends ExtTypeInfo

Extended parameters of the ENUM data type.

字段概要

从接口继承的字段 org.h2.util.HasSQL

ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

构造器概要

构造器

构造器和说明
ExtTypeInfoEnum(String[] enumerators) Creates new instance of extended parameters of the ENUM data type.

方法概要

限定符和类型	方法和说明
boolean	equals(Object obj)
int	getCount() Get count of elements in enumeration.
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.
StringBuilder	getSQL(StringBuilder builder, int sqlFlags) Appends the SQL statement of this object to the specified builder.
ValueEnum	getValue(int ordinal, CastDataProvider provider) Get ValueEnum instance for an ordinal.
ValueEnum	getValue(String label, CastDataProvider provider) Get ValueEnum instance for a label string.
int	hashCode()

从类继承的方法 org.h2.value.ExtTypeInfo

toString

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.h2.util.HasSQL

getSQL, getTraceSQL

构造器详细资料

ExtTypeInfoEnum

public ExtTypeInfoEnum(String[] enumerators)

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

参数:

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

方法详细资料

getEnumeratorsForBinaryOperation

public static ExtTypeInfoEnum getEnumeratorsForBinaryOperation(Value left,
                                                               Value right)

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

参数:

left - left (first) operand

right - right (second) operand

返回:

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

getCount

public int getCount()

Get count of elements in enumeration.

返回:

count of elements in enumeration

getEnumerator

public String getEnumerator(int ordinal)

Returns an enumerator with specified 0-based ordinal value.

参数:

ordinal - ordinal value of an enumerator

返回:

the enumerator with specified ordinal value

getValue

public ValueEnum getValue(int ordinal,
                          CastDataProvider provider)

Get ValueEnum instance for an ordinal.

参数:

ordinal - ordinal value of an enum

provider - the cast information provider

返回:

ValueEnum instance

getValue

public ValueEnum getValue(String label,
                          CastDataProvider provider)

Get ValueEnum instance for a label string.

参数:

label - label string

provider - the cast information provider

返回:

ValueEnum instance

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Object

equals

public boolean equals(Object obj)

覆盖:

equals 在类中 Object

getSQL

public StringBuilder getSQL(StringBuilder builder,
                            int sqlFlags)

从接口复制的说明: HasSQL

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

参数:

builder - string builder

sqlFlags - formatting flags

返回:

the specified string builder