@Internal public class StringSerializer extends org.apache.flink.api.common.typeutils.base.TypeSerializerSingleton<String>
So we create this StringSerializer (only used in Java and Python data communication in udf).
StringSerializer for String.
Modifier and Type | Class and Description |
---|---|
static class |
StringSerializer.StringSerializerSnapshot
Serializer configuration snapshot for compatibility and format evolution.
|
Modifier and Type | Field and Description |
---|---|
static StringSerializer |
INSTANCE |
Constructor and Description |
---|
StringSerializer() |
Modifier and Type | Method and Description |
---|---|
void |
copy(org.apache.flink.core.memory.DataInputView source,
org.apache.flink.core.memory.DataOutputView target) |
String |
copy(String from) |
String |
copy(String from,
String reuse) |
String |
createInstance() |
String |
deserialize(org.apache.flink.core.memory.DataInputView source) |
String |
deserialize(String reuse,
org.apache.flink.core.memory.DataInputView source) |
int |
getLength() |
boolean |
isImmutableType() |
void |
serialize(String record,
org.apache.flink.core.memory.DataOutputView target) |
org.apache.flink.api.common.typeutils.TypeSerializerSnapshot<String> |
snapshotConfiguration() |
public static final StringSerializer INSTANCE
public boolean isImmutableType()
isImmutableType
in class org.apache.flink.api.common.typeutils.TypeSerializer<String>
public String createInstance()
createInstance
in class org.apache.flink.api.common.typeutils.TypeSerializer<String>
public String copy(String from)
copy
in class org.apache.flink.api.common.typeutils.TypeSerializer<String>
public String copy(String from, String reuse)
copy
in class org.apache.flink.api.common.typeutils.TypeSerializer<String>
public int getLength()
getLength
in class org.apache.flink.api.common.typeutils.TypeSerializer<String>
public void serialize(String record, org.apache.flink.core.memory.DataOutputView target) throws IOException
serialize
in class org.apache.flink.api.common.typeutils.TypeSerializer<String>
IOException
public String deserialize(org.apache.flink.core.memory.DataInputView source) throws IOException
deserialize
in class org.apache.flink.api.common.typeutils.TypeSerializer<String>
IOException
public String deserialize(String reuse, org.apache.flink.core.memory.DataInputView source) throws IOException
deserialize
in class org.apache.flink.api.common.typeutils.TypeSerializer<String>
IOException
public void copy(org.apache.flink.core.memory.DataInputView source, org.apache.flink.core.memory.DataOutputView target) throws IOException
copy
in class org.apache.flink.api.common.typeutils.TypeSerializer<String>
IOException
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