com.facebook.buck.command.config

Class ConfigDifference

java.lang.Object

com.facebook.buck.command.config.ConfigDifference

public class ConfigDifference
extends Object

Helper methods for calculating and logging the config differences that cause state invalidation

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ConfigDifference.ConfigChange A single changed config value

Constructor Summary

Constructors

Constructor and Description
ConfigDifference()

Method Summary

Modifier and Type	Method and Description
static Map<String,ConfigDifference.ConfigChange>	compare(Config config1, Config config2) Compares all values in two sets of configs
static Map<String,ConfigDifference.ConfigChange>	compare(com.google.common.collect.ImmutableMap<String,com.google.common.collect.ImmutableMap<String,String>> rawConfig1, com.google.common.collect.ImmutableMap<String,com.google.common.collect.ImmutableMap<String,String>> rawConfig2) Compares sets of config options, and returns the difference as a map of 'section.key' strings to pairs containing the different values.
static Map<String,ConfigDifference.ConfigChange>	compareForCaching(BuckConfig buckConfig1, BuckConfig buckConfig2) Compares only the config options that invalidate global state
static String	formatConfigChange(Map.Entry<String,ConfigDifference.ConfigChange> change, boolean truncate) Format a single config change
static String	formatConfigDiff(Map<String,ConfigDifference.ConfigChange> diff) Format the full set of changes between configs to be logged
static String	formatConfigDiffShort(Map<String,ConfigDifference.ConfigChange> diff, int maxLines) Format a set of changes between configs for the console

Methods inherited from class java.lang.Object

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

Constructor Detail

ConfigDifference

public ConfigDifference()

Method Detail

compare

public static Map<String,ConfigDifference.ConfigChange> compare(Config config1,
                                                                Config config2)

Compares all values in two sets of configs

compareForCaching

public static Map<String,ConfigDifference.ConfigChange> compareForCaching(BuckConfig buckConfig1,
                                                                          BuckConfig buckConfig2)

Compares only the config options that invalidate global state

Returns:

The difference as a map of 'section.key' strings to changed values

compare

public static Map<String,ConfigDifference.ConfigChange> compare(com.google.common.collect.ImmutableMap<String,com.google.common.collect.ImmutableMap<String,String>> rawConfig1,
                                                                com.google.common.collect.ImmutableMap<String,com.google.common.collect.ImmutableMap<String,String>> rawConfig2)

Compares sets of config options, and returns the difference as a map of 'section.key' strings to pairs containing the different values.

formatConfigDiffShort

public static String formatConfigDiffShort(Map<String,ConfigDifference.ConfigChange> diff,
                                           int maxLines)

Format a set of changes between configs for the console

formatConfigDiff

public static String formatConfigDiff(Map<String,ConfigDifference.ConfigChange> diff)

Format the full set of changes between configs to be logged

formatConfigChange

public static String formatConfigChange(Map.Entry<String,ConfigDifference.ConfigChange> change,
                                        boolean truncate)

Format a single config change