org.apache.calcite.rel.hint

Class HintStrategyTable.HintErrorLogger

java.lang.Object

org.apache.calcite.rel.hint.HintStrategyTable.HintErrorLogger

All Implemented Interfaces:

Litmus

Enclosing class:

HintStrategyTable

public static class HintStrategyTable.HintErrorLogger
extends Object
implements Litmus

Implementation of Litmus that returns a status code, it logs warnings for fail check and does not throw.

Field Summary

Fields

Modifier and Type	Field and Description
static HintStrategyTable.HintErrorLogger	INSTANCE

Fields inherited from interface org.apache.calcite.util.Litmus

IGNORE, THROW

Constructor Summary

Constructors

Constructor and Description
HintErrorLogger()

Method Summary

Modifier and Type	Method and Description
boolean	check(boolean condition, @Nullable String message, Object... args) Checks a condition.
boolean	fail(@Nullable String message, Object... args) Called when test fails.
boolean	succeed() Called when test succeeds.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final HintStrategyTable.HintErrorLogger INSTANCE

Constructor Detail

HintErrorLogger

public HintErrorLogger()

Method Detail

fail

public boolean fail(@Nullable String message,
                    Object... args)

Description copied from interface: Litmus

Called when test fails. Returns false or throws.

Specified by:

fail in interface Litmus

Parameters:

message - Message

args - Arguments

succeed

public boolean succeed()

Description copied from interface: Litmus

Called when test succeeds. Returns true.

Specified by:

succeed in interface Litmus

check

public boolean check(boolean condition,
                     @Nullable String message,
                     Object... args)

Description copied from interface: Litmus

Checks a condition.

If the condition is true, calls Litmus.succeed(); if the condition is false, calls Litmus.fail(java.lang.String, java.lang.Object...), converting info into a string message.

Specified by:

check in interface Litmus