ValueBoolean (H2 Database Engine 2.0.0 API)

java.lang.Object
- org.h2.value.VersionedValue<Value>
- - org.h2.value.Value
  - - org.h2.value.ValueBoolean

所有已实现的接口:

HasSQL, Typed
```
public final class ValueBoolean
extends Value
```
Implementation of the BOOLEAN data type.

字段概要

字段
限定符和类型	字段和说明
`static int`	`DISPLAY_SIZE` The maximum display size of a boolean.
`static ValueBoolean`	`FALSE` FALSE value.
`static int`	`PRECISION` The precision in digits.
`static ValueBoolean`	`TRUE` TRUE value.

从类继承的字段 org.h2.value.Value
ARRAY, BIGINT, BINARY, BLOB, BOOLEAN, CHAR, CLOB, DATE, DECFLOAT, DOUBLE, EMPTY_VALUES, ENUM, GEOMETRY, INTEGER, INTERVAL_DAY, INTERVAL_DAY_TO_HOUR, INTERVAL_DAY_TO_MINUTE, INTERVAL_DAY_TO_SECOND, INTERVAL_HOUR, INTERVAL_HOUR_TO_MINUTE, INTERVAL_HOUR_TO_SECOND, INTERVAL_MINUTE, INTERVAL_MINUTE_TO_SECOND, INTERVAL_MONTH, INTERVAL_SECOND, INTERVAL_YEAR, INTERVAL_YEAR_TO_MONTH, JAVA_OBJECT, JSON, MIN_LONG_DECIMAL, NULL, NUMERIC, REAL, ROW, SMALLINT, TIME, TIME_TZ, TIMESTAMP, TIMESTAMP_TZ, TINYINT, TYPE_COUNT, UNKNOWN, UUID, VARBINARY, VARCHAR, VARCHAR_IGNORECASE

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

方法概要

所有方法静态方法实例方法具体方法
限定符和类型	方法和说明
`int`	`compareTypeSafe(Value o, CompareMode mode, CastDataProvider provider)` Compare this value against another value given that the values are of the same data type.
`boolean`	`equals(Object other)` Check if the two values have the same hash code.
`static ValueBoolean`	`get(boolean b)` Get the boolean value for the given boolean.
`BigDecimal`	`getBigDecimal()`
`boolean`	`getBoolean()` Returns this value as a Java `boolean` value.
`byte`	`getByte()` Returns this value as a Java `byte` value.
`double`	`getDouble()` Returns this value as a Java `double` value.
`float`	`getFloat()` Returns this value as a Java `float` value.
`int`	`getInt()` Returns this value as a Java `int` value.
`long`	`getLong()` Returns this value as a Java `long` value.
`int`	`getMemory()` Get the memory used by this object.
`short`	`getShort()` Returns this value as a Java `short` value.
`StringBuilder`	`getSQL(StringBuilder builder, int sqlFlags)` Appends the SQL statement of this object to the specified builder.
`String`	`getString()` Get the value as a string.
`TypeInfo`	`getType()` Returns the data type.
`int`	`getValueType()` Get the value type.
`int`	`hashCode()`
`Value`	`negate()` Return -value if this value support arithmetic operations.

从类继承的方法 org.h2.value.VersionedValue
getCommittedValue, getCurrentValue, getOperationId, isCommitted

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

- 字段详细资料
  - PRECISION
```
public static final int PRECISION
```
    The precision in digits.
    
    另请参阅:
    
    常量字段值
  - DISPLAY_SIZE
```
public static final int DISPLAY_SIZE
```
    The maximum display size of a boolean. Example: FALSE
    
    另请参阅:
    
    常量字段值
  - TRUE
```
public static final ValueBoolean TRUE
```
    TRUE value.
  - FALSE
```
public static final ValueBoolean FALSE
```
    FALSE value.
- 方法详细资料
  - getType
```
public TypeInfo getType()
```
    从接口复制的说明: Typed
    
    Returns the data type.
    
    指定者:
    
    getType 在接口中 Typed
    
    指定者:
    
    getType 在类中 Value
    
    返回:
    
    the data type
  - getValueType
```
public int getValueType()
```
    从类复制的说明: Value
    
    Get the value type.
    
    指定者:
    
    getValueType 在类中 Value
    
    返回:
    
    the value type
  - getMemory
```
public int getMemory()
```
    从类复制的说明: Value
    
    Get the memory used by this object.
    
    覆盖:
    
    getMemory 在类中 Value
    
    返回:
    
    the memory used in bytes
  - 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
  - getString
```
public String getString()
```
    从类复制的说明: Value
    
    Get the value as a string.
    
    指定者:
    
    getString 在类中 Value
    
    返回:
    
    the string
  - getBoolean
```
public boolean getBoolean()
```
    从类复制的说明: Value
    
    Returns this value as a Java boolean value.
    
    覆盖:
    
    getBoolean 在类中 Value
    
    返回:
    
    value
    
    另请参阅:
    
    Value.isTrue(), Value.isFalse()
  - getByte
```
public byte getByte()
```
    从类复制的说明: Value
    
    Returns this value as a Java byte value.
    
    覆盖:
    
    getByte 在类中 Value
    
    返回:
    
    value
  - getShort
```
public short getShort()
```
    从类复制的说明: Value
    
    Returns this value as a Java short value.
    
    覆盖:
    
    getShort 在类中 Value
    
    返回:
    
    value
  - getInt
```
public int getInt()
```
    从类复制的说明: Value
    
    Returns this value as a Java int value.
    
    覆盖:
    
    getInt 在类中 Value
    
    返回:
    
    value
  - getLong
```
public long getLong()
```
    从类复制的说明: Value
    
    Returns this value as a Java long value.
    
    覆盖:
    
    getLong 在类中 Value
    
    返回:
    
    value
  - getBigDecimal
```
public BigDecimal getBigDecimal()
```
    覆盖:
    
    getBigDecimal 在类中 Value
  - getFloat
```
public float getFloat()
```
    从类复制的说明: Value
    
    Returns this value as a Java float value.
    
    覆盖:
    
    getFloat 在类中 Value
    
    返回:
    
    value
  - getDouble
```
public double getDouble()
```
    从类复制的说明: Value
    
    Returns this value as a Java double value.
    
    覆盖:
    
    getDouble 在类中 Value
    
    返回:
    
    value
  - negate
```
public Value negate()
```
    从类复制的说明: Value
    
    Return -value if this value support arithmetic operations.
    
    覆盖:
    
    negate 在类中 Value
    
    返回:
    
    the negative
  - compareTypeSafe
```
public int compareTypeSafe(Value o,
                           CompareMode mode,
                           CastDataProvider provider)
```
    从类复制的说明: Value
    
    Compare this value against another value given that the values are of the same data type.
    
    指定者:
    
    compareTypeSafe 在类中 Value
    
    参数:
    
    o - the other value
    
    mode - the compare mode
    
    provider - the cast information provider
    
    返回:
    
    0 if both values are equal, -1 if the other value is smaller, and 1 otherwise
  - hashCode
```
public int hashCode()
```
    指定者:
    
    hashCode 在类中 Value
  - get
```
public static ValueBoolean get(boolean b)
```
    Get the boolean value for the given boolean.
    
    参数:
    
    b - the boolean
    
    返回:
    
    the value
  - equals
```
public boolean equals(Object other)
```
    从类复制的说明: Value
    
    Check if the two values have the same hash code. No data conversion is made; this method returns false if the other object is not of the same class. For some values, compareTo may return 0 even if equals return false. Example: ValueDecimal 0.0 and 0.00.
    
    指定者:
    
    equals 在类中 Value
    
    参数:
    
    other - the other value
    
    返回:
    
    true if they are equal

类 ValueBoolean

字段概要

从类继承的字段 org.h2.value.Value

从接口继承的字段 org.h2.util.HasSQL

方法概要

从类继承的方法 org.h2.value.Value

从类继承的方法 org.h2.value.VersionedValue

从类继承的方法 java.lang.Object

从接口继承的方法 org.h2.util.HasSQL

字段详细资料

PRECISION

DISPLAY_SIZE

TRUE

FALSE

方法详细资料

getType

getValueType

getMemory

getSQL

getString

getBoolean

getByte

getShort

getInt

getLong

getBigDecimal

getFloat

getDouble

negate

compareTypeSafe

hashCode

get

equals