ValueBoolean (H2 Database Engine wt-1.0.1 API)

java.lang.Object
- org.h2.value.Value
- - org.h2.value.ValueBoolean

```
public class ValueBoolean
extends Value
```
Implementation of the BOOLEAN data type.

嵌套类概要
- 从类继承的嵌套类/接口 org.h2.value.Value
  Value.ValueBlob, Value.ValueClob

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 int PRECISION
The precision in digits.
- 从类继承的字段 org.h2.value.Value
  ARRAY, BLOB, BOOLEAN, BYTE, BYTES, CLOB, DATE, DECIMAL, DOUBLE, FLOAT, GEOMETRY, INT, JAVA_OBJECT, LONG, NULL, RESULT_SET, SHORT, STRING, STRING_FIXED, STRING_IGNORECASE, TIME, TIMESTAMP, TIMESTAMP_TZ, TYPE_COUNT, UNKNOWN, UUID

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 int`	`PRECISION` The precision in digits.

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
`protected int`	`compareSecure(Value o, CompareMode mode)` Compare the value with another value of the same 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.
`Boolean`	`getBoolean()`
`int`	`getDisplaySize()` Get the display size in characters.
`Object`	`getObject()` Get the value as an object.
`long`	`getPrecision()` Get the precision.
`String`	`getSQL()` Get the SQL expression for this value.
`String`	`getString()` Get the value as a string.
`int`	`getType()` Get the value type.
`int`	`hashCode()`
`Value`	`negate()` Return -value if this value support arithmetic operations.
`void`	`set(PreparedStatement prep, int parameterIndex)` Set the value as a parameter in a prepared statement.

从类继承的方法 org.h2.value.Value
add, checkPrecision, clearCache, compareTo, compareTypeSafe, convertPrecision, convertScale, convertTo, copy, copyToResult, copyToTemp, divide, getBigDecimal, getByte, getBytes, getBytesNoCopy, getDataHandler, getDate, getDouble, getFloat, getHigherOrder, getInputStream, getInt, getLong, getMemory, getReader, getResultSet, getScale, getShort, getSignum, getSmall, getTableId, getTime, getTimestamp, getTraceSQL, isLinkedToTable, modulus, multiply, remove, subtract, throwUnsupportedExceptionForType, toString

从类继承的方法 java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- 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
- 方法详细资料
  - getType
```
public int getType()
```
    从类复制的说明: Value
    
    Get the value type.
    
    指定者:
    
    getType 在类中 Value
    
    返回:
    
    the type
  - getSQL
```
public String getSQL()
```
    从类复制的说明: Value
    
    Get the SQL expression for this value.
    
    指定者:
    
    getSQL 在类中 Value
    
    返回:
    
    the SQL expression
  - 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
  - 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
  - getBoolean
```
public Boolean getBoolean()
```
    覆盖:
    
    getBoolean 在类中 Value
  - compareSecure
```
protected int compareSecure(Value o,
                            CompareMode mode)
```
    从类复制的说明: Value
    
    Compare the value with another value of the same type.
    
    指定者:
    
    compareSecure 在类中 Value
    
    参数:
    
    o - the other value
    
    mode - the compare mode
    
    返回:
    
    0 if both values are equal, -1 if the other value is smaller, and 1 otherwise
  - getPrecision
```
public long getPrecision()
```
    从类复制的说明: Value
    
    Get the precision.
    
    指定者:
    
    getPrecision 在类中 Value
    
    返回:
    
    the precision
  - hashCode
```
public int hashCode()
```
    指定者:
    
    hashCode 在类中 Value
  - getObject
```
public Object getObject()
```
    从类复制的说明: Value
    
    Get the value as an object.
    
    指定者:
    
    getObject 在类中 Value
    
    返回:
    
    the object
  - set
```
public void set(PreparedStatement prep,
                int parameterIndex)
         throws SQLException
```
    从类复制的说明: Value
    
    Set the value as a parameter in a prepared statement.
    
    指定者:
    
    set 在类中 Value
    
    参数:
    
    prep - the prepared statement
    
    parameterIndex - the parameter index
    
    抛出:
    
    SQLException
  - get
```
public static ValueBoolean get(boolean b)
```
    Get the boolean value for the given boolean.
    
    参数:
    
    b - the boolean
    
    返回:
    
    the value
  - getDisplaySize
```
public int getDisplaySize()
```
    从类复制的说明: Value
    
    Get the display size in characters.
    
    指定者:
    
    getDisplaySize 在类中 Value
    
    返回:
    
    the display size
  - 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

嵌套类概要

从类继承的嵌套类/接口 org.h2.value.Value

字段概要

从类继承的字段 org.h2.value.Value

方法概要

从类继承的方法 org.h2.value.Value

从类继承的方法 java.lang.Object

字段详细资料

PRECISION

DISPLAY_SIZE

方法详细资料

getType

getSQL

getString

negate

getBoolean

compareSecure

getPrecision

hashCode

getObject

set

get

getDisplaySize

equals