org.h2.value

类 ValueJavaObject

java.lang.Object

org.h2.value.Value

org.h2.value.ValueBytes

org.h2.value.ValueJavaObject

public class ValueJavaObject
extends ValueBytes

Implementation of the OBJECT 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

从类继承的字段 org.h2.value.ValueBytes

hash, value

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

构造器概要

构造器

限定符	构造器和说明
protected	ValueJavaObject(byte[] v, DataHandler dataHandler)

方法概要

限定符和类型	方法和说明
protected DataHandler	getDataHandler() Return the data handler for the values that support it (actually only Java objects).
static ValueJavaObject	getNoCopy(Object javaObject, byte[] b, DataHandler dataHandler) Get or create a java object value for the given byte array.
int	getType() Get the value type.
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.ValueBytes

compareSecure, convertPrecision, equals, get, getBytes, getBytesNoCopy, getDisplaySize, getMemory, getNoCopy, getObject, getPrecision, getSQL, getString, hashCode

从类继承的方法 org.h2.value.Value

add, checkPrecision, clearCache, compareTo, compareTypeSafe, convertScale, convertTo, copy, copyToResult, copyToTemp, divide, getBigDecimal, getBoolean, getByte, getDate, getDouble, getFloat, getHigherOrder, getInputStream, getInt, getLong, getReader, getResultSet, getScale, getShort, getSignum, getSmall, getTableId, getTime, getTimestamp, getTraceSQL, isLinkedToTable, modulus, multiply, negate, remove, subtract, throwUnsupportedExceptionForType, toString

从类继承的方法 java.lang.Object

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

构造器详细资料

ValueJavaObject

protected ValueJavaObject(byte[] v,
                          DataHandler dataHandler)

方法详细资料

getNoCopy

public static ValueJavaObject getNoCopy(Object javaObject,
                                        byte[] b,
                                        DataHandler dataHandler)

Get or create a java object value for the given byte array. Do not clone the data.

参数:

javaObject - the object

b - the byte array

dataHandler - provides the object serializer

返回:

the value

getType

public int getType()

从类复制的说明: Value

Get the value type.

覆盖:

getType 在类中 ValueBytes

返回:

the type

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.

覆盖:

set 在类中 ValueBytes

参数:

prep - the prepared statement

parameterIndex - the parameter index

抛出:

SQLException

getDataHandler

protected DataHandler getDataHandler()

从类复制的说明: Value

Return the data handler for the values that support it (actually only Java objects).

覆盖:

getDataHandler 在类中 Value

返回:

the data handler