Package org.apache.flink.table.operations.utils

Class QueryOperationDefaultVisitor<T>

java.lang.Object

org.apache.flink.table.operations.utils.QueryOperationDefaultVisitor<T>

All Implemented Interfaces:

QueryOperationVisitor<T>

@Internal
public abstract class QueryOperationDefaultVisitor<T>
extends Object
implements QueryOperationVisitor<T>

A utility QueryOperationVisitor that calls defaultMethod(QueryOperation) by default, unless other methods are overridden explicitly.

Constructor Summary

Constructors

Constructor	Description
QueryOperationDefaultVisitor()

Method Summary

Modifier and Type	Method	Description
abstract T	defaultMethod(QueryOperation other)
T	visit(AggregateQueryOperation aggregation)
T	visit(CalculatedQueryOperation calculatedTable)
T	visit(DistinctQueryOperation distinct)
T	visit(FilterQueryOperation filter)
T	visit(JoinQueryOperation join)
T	visit(ProjectQueryOperation projection)
T	visit(QueryOperation other)
T	visit(SetQueryOperation setOperation)
T	visit(SortQueryOperation sort)
T	visit(SourceQueryOperation catalogTable)
<U> T	visit(TableSourceQueryOperation<U> tableSourceTable)
T	visit(ValuesQueryOperation values)
T	visit(WindowAggregateQueryOperation windowAggregate)

Methods inherited from class java.lang.Object

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

Constructor Details

QueryOperationDefaultVisitor

public QueryOperationDefaultVisitor()

Method Details

visit

public T visit(ProjectQueryOperation projection)

Specified by:

visit in interface QueryOperationVisitor<T>

visit

public T visit(AggregateQueryOperation aggregation)

Specified by:

visit in interface QueryOperationVisitor<T>

visit

public T visit(WindowAggregateQueryOperation windowAggregate)

Specified by:

visit in interface QueryOperationVisitor<T>

visit

public T visit(JoinQueryOperation join)

Specified by:

visit in interface QueryOperationVisitor<T>

visit

public T visit(SetQueryOperation setOperation)

Specified by:

visit in interface QueryOperationVisitor<T>

visit

public T visit(FilterQueryOperation filter)

Specified by:

visit in interface QueryOperationVisitor<T>

visit

public T visit(DistinctQueryOperation distinct)

Specified by:

visit in interface QueryOperationVisitor<T>

visit

public T visit(SortQueryOperation sort)

Specified by:

visit in interface QueryOperationVisitor<T>

visit

public T visit(CalculatedQueryOperation calculatedTable)

Specified by:

visit in interface QueryOperationVisitor<T>

visit

public T visit(SourceQueryOperation catalogTable)

Specified by:

visit in interface QueryOperationVisitor<T>

visit

public T visit(ValuesQueryOperation values)

Specified by:

visit in interface QueryOperationVisitor<T>

visit

public <U> T visit(TableSourceQueryOperation<U> tableSourceTable)

Specified by:

visit in interface QueryOperationVisitor<T>

visit

public T visit(QueryOperation other)

Specified by:

visit in interface QueryOperationVisitor<T>

defaultMethod

public abstract T defaultMethod(QueryOperation other)