org.apache.flink.table.planner.functions.casting

Interface CodeGeneratorCastRule.Context

Enclosing interface:

CodeGeneratorCastRule<IN,OUT>

public static interface CodeGeneratorCastRule.Context

Context for code generation.

Method Summary

Modifier and Type	Method and Description
String	declareClassField(String type, String field, String initialization)
String	declareTypeSerializer(org.apache.flink.table.types.logical.LogicalType type)
String	declareVariable(String type, String variablePrefix) Declare a new variable accessible within the scope of the caller of CodeGeneratorCastRule.generateCodeBlock(Context, String, String, LogicalType, LogicalType).
String	getSessionTimeZoneTerm()
boolean	isPrinting()
boolean	legacyBehaviour() Deprecated.

Method Detail

isPrinting

boolean isPrinting()

Returns:

whether it's in printing mode or not. Printing is used by RowDataToStringConverterImpl when printing table row results.

legacyBehaviour

@Deprecated
boolean legacyBehaviour()

Deprecated.

Returns:

where the legacy behaviour should be followed or not.

getSessionTimeZoneTerm

String getSessionTimeZoneTerm()

Returns:

the session time zone term.

declareVariable

String declareVariable(String type,
                       String variablePrefix)

Declare a new variable accessible within the scope of the caller of CodeGeneratorCastRule.generateCodeBlock(Context, String, String, LogicalType, LogicalType).

Returns:

the variable name

declareTypeSerializer

String declareTypeSerializer(org.apache.flink.table.types.logical.LogicalType type)

Returns:

the term for the type serializer.

declareClassField

String declareClassField(String type,
                         String field,
                         String initialization)

Returns:

field term. The field is going to be declared as final.