org.apache.flink.formats.json

类 JsonRowDeserializationSchema.Builder

java.lang.Object

org.apache.flink.formats.json.JsonRowDeserializationSchema.Builder

封闭类:

JsonRowDeserializationSchema

public static class JsonRowDeserializationSchema.Builder
extends Object

Builder for JsonRowDeserializationSchema.

构造器概要

构造器

构造器和说明
Builder(String jsonSchema) Creates a JSON deserialization schema for the given JSON schema.
Builder(org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.types.Row> typeInfo) Creates a JSON deserialization schema for the given type information.

方法概要

限定符和类型	方法和说明
JsonRowDeserializationSchema	build()
JsonRowDeserializationSchema.Builder	failOnMissingField() Configures schema to fail if a JSON field is missing.
JsonRowDeserializationSchema.Builder	ignoreParseErrors() Configures schema to fail when parsing json failed.

从类继承的方法 java.lang.Object

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

构造器详细资料

Builder

public Builder(org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.types.Row> typeInfo)

Creates a JSON deserialization schema for the given type information.

参数:

typeInfo - Type information describing the result type. The field names of Row are used to parse the JSON properties.

Builder

public Builder(String jsonSchema)

Creates a JSON deserialization schema for the given JSON schema.

参数:

jsonSchema - JSON schema describing the result type

另请参阅:

http://json-schema.org/

方法详细资料

failOnMissingField

public JsonRowDeserializationSchema.Builder failOnMissingField()

Configures schema to fail if a JSON field is missing.

By default, a missing field is ignored and the field is set to null.

ignoreParseErrors

public JsonRowDeserializationSchema.Builder ignoreParseErrors()

Configures schema to fail when parsing json failed.

By default, an exception will be thrown when parsing json fails.

build

public JsonRowDeserializationSchema build()