Package org.apache.calcite.rel.externalize

Class RelJson

java.lang.Object

org.apache.calcite.rel.externalize.RelJson

public class RelJson
extends java.lang.Object

Utilities for converting RelNode into JSON format.

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.Map<java.lang.String,java.lang.reflect.Constructor>	constructorMap
private JsonBuilder	jsonBuilder
static java.util.List<java.lang.String>	PACKAGES

Constructor Summary

Constructors

Constructor	Description
RelJson(JsonBuilder jsonBuilder)

Method Summary

Modifier and Type	Method	Description
java.lang.String	classToTypeName(java.lang.Class<? extends RelNode> class_)	Inverse of typeNameToClass(java.lang.String).
RelNode	create(java.util.Map<java.lang.String,java.lang.Object> map)
java.lang.reflect.Constructor	getConstructor(java.lang.String type)
(package private) SqlAggFunction	toAggregation(java.lang.String agg, java.util.Map<java.lang.String,java.lang.Object> map)
RelCollation	toCollation(java.util.List<java.util.Map<java.lang.String,java.lang.Object>> jsonFieldCollations)
RelDistribution	toDistribution(java.lang.Object o)
RelFieldCollation	toFieldCollation(java.util.Map<java.lang.String,java.lang.Object> map)
(package private) java.lang.Object	toJson(java.lang.Object value)
java.lang.Object	toJson(AggregateCall node)
private java.lang.Object	toJson(CorrelationId node)
java.lang.Object	toJson(RelCollationImpl node)
private java.lang.Object	toJson(RelDataType node)
private java.lang.Object	toJson(RelDataTypeField node)
private java.lang.Object	toJson(RexNode node)
private java.lang.String	toJson(SqlOperator operator)
private SqlOperator	toOp(java.lang.String op, java.util.Map<java.lang.String,java.lang.Object> map)
(package private) RexNode	toRex(RelInput relInput, java.lang.Object o)
private java.util.List<RexNode>	toRexList(RelInput relInput, java.util.List operands)
RelDataType	toType(RelDataTypeFactory typeFactory, java.lang.Object o)
java.lang.Class	typeNameToClass(java.lang.String type)	Converts a type name to a class.

Methods inherited from class java.lang.Object

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

Field Detail

constructorMap

private final java.util.Map<java.lang.String,java.lang.reflect.Constructor> constructorMap

jsonBuilder

private final JsonBuilder jsonBuilder

PACKAGES

public static final java.util.List<java.lang.String> PACKAGES

Constructor Detail

RelJson

public RelJson(JsonBuilder jsonBuilder)

Method Detail

create

public RelNode create(java.util.Map<java.lang.String,java.lang.Object> map)

getConstructor

public java.lang.reflect.Constructor getConstructor(java.lang.String type)

typeNameToClass

public java.lang.Class typeNameToClass(java.lang.String type)

Converts a type name to a class. E.g. getClass("LogicalProject") returns LogicalProject.class.

classToTypeName

public java.lang.String classToTypeName(java.lang.Class<? extends RelNode> class_)

Inverse of typeNameToClass(java.lang.String).

toJson

public java.lang.Object toJson(RelCollationImpl node)

toCollation

public RelCollation toCollation(java.util.List<java.util.Map<java.lang.String,java.lang.Object>> jsonFieldCollations)

toFieldCollation

public RelFieldCollation toFieldCollation(java.util.Map<java.lang.String,java.lang.Object> map)

toDistribution

public RelDistribution toDistribution(java.lang.Object o)

toType

public RelDataType toType(RelDataTypeFactory typeFactory,
                          java.lang.Object o)

toJson

public java.lang.Object toJson(AggregateCall node)

toJson

java.lang.Object toJson(java.lang.Object value)

toJson

private java.lang.Object toJson(RelDataType node)

toJson

private java.lang.Object toJson(RelDataTypeField node)

toJson

private java.lang.Object toJson(CorrelationId node)

toJson

private java.lang.Object toJson(RexNode node)

toRex

RexNode toRex(RelInput relInput,
              java.lang.Object o)

toRexList

private java.util.List<RexNode> toRexList(RelInput relInput,
                                          java.util.List operands)

toOp

private SqlOperator toOp(java.lang.String op,
                         java.util.Map<java.lang.String,java.lang.Object> map)

toAggregation

SqlAggFunction toAggregation(java.lang.String agg,
                             java.util.Map<java.lang.String,java.lang.Object> map)

toJson

private java.lang.String toJson(SqlOperator operator)