org.apache.flink.table.runtime.typeutils

类 DecimalSerializer

java.lang.Object

org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

org.apache.flink.table.runtime.typeutils.DecimalSerializer

所有已实现的接口:

Serializable

@Internal
public final class DecimalSerializer
extends org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

Serializer for Decimal.

另请参阅:

序列化表格

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	DecimalSerializer.DecimalSerializerSnapshot TypeSerializerSnapshot for DecimalSerializer.

构造器概要

构造器

构造器和说明
DecimalSerializer(int precision, int scale)

方法概要

限定符和类型	方法和说明
void	copy(org.apache.flink.core.memory.DataInputView source, org.apache.flink.core.memory.DataOutputView target)
Decimal	copy(Decimal from)
Decimal	copy(Decimal from, Decimal reuse)
Decimal	createInstance()
Decimal	deserialize(org.apache.flink.core.memory.DataInputView source)
Decimal	deserialize(Decimal record, org.apache.flink.core.memory.DataInputView source)
DecimalSerializer	duplicate()
boolean	equals(Object o)
int	getLength()
int	hashCode()
boolean	isImmutableType()
void	serialize(Decimal record, org.apache.flink.core.memory.DataOutputView target)
org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<Decimal>	snapshotConfiguration()

从类继承的方法 java.lang.Object

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

构造器详细资料

DecimalSerializer

public DecimalSerializer(int precision,
                         int scale)

方法详细资料

isImmutableType

public boolean isImmutableType()

指定者:

isImmutableType 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

createInstance

public Decimal createInstance()

指定者:

createInstance 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

copy

public Decimal copy(Decimal from)

指定者:

copy 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

copy

public Decimal copy(Decimal from,
                    Decimal reuse)

指定者:

copy 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

getLength

public int getLength()

指定者:

getLength 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

serialize

public void serialize(Decimal record,
                      org.apache.flink.core.memory.DataOutputView target)
               throws IOException

指定者:

serialize 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

抛出:

IOException

deserialize

public Decimal deserialize(org.apache.flink.core.memory.DataInputView source)
                    throws IOException

指定者:

deserialize 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

抛出:

IOException

deserialize

public Decimal deserialize(Decimal record,
                           org.apache.flink.core.memory.DataInputView source)
                    throws IOException

指定者:

deserialize 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

抛出:

IOException

copy

public void copy(org.apache.flink.core.memory.DataInputView source,
                 org.apache.flink.core.memory.DataOutputView target)
          throws IOException

指定者:

copy 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

抛出:

IOException

duplicate

public DecimalSerializer duplicate()

指定者:

duplicate 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

equals

public boolean equals(Object o)

指定者:

equals 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

hashCode

public int hashCode()

指定者:

hashCode 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>

snapshotConfiguration

public org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<Decimal> snapshotConfiguration()

指定者:

snapshotConfiguration 在类中 org.apache.flink.api.common.typeutils.TypeSerializer<Decimal>