org.apache.iceberg.util

Class PropertyUtil

java.lang.Object

org.apache.iceberg.util.PropertyUtil

public class PropertyUtil
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static java.util.Map<java.lang.String,java.lang.String>	applySchemaChanges(java.util.Map<java.lang.String,java.lang.String> properties, java.util.List<java.lang.String> deletedColumns, java.util.Map<java.lang.String,java.lang.String> renamedColumns, java.util.Set<java.lang.String> columnProperties)
static java.util.Map<java.lang.String,java.lang.String>	filterProperties(java.util.Map<java.lang.String,java.lang.String> properties, java.util.function.Predicate<java.lang.String> keyPredicate) Filter the properties map by the provided key predicate.
static java.util.Map<java.lang.String,java.lang.String>	propertiesWithPrefix(java.util.Map<java.lang.String,java.lang.String> properties, java.lang.String prefix) Returns subset of provided map with keys matching the provided prefix.
static boolean	propertyAsBoolean(java.util.Map<java.lang.String,java.lang.String> properties, java.lang.String property, boolean defaultValue)
static double	propertyAsDouble(java.util.Map<java.lang.String,java.lang.String> properties, java.lang.String property, double defaultValue)
static int	propertyAsInt(java.util.Map<java.lang.String,java.lang.String> properties, java.lang.String property, int defaultValue)
static long	propertyAsLong(java.util.Map<java.lang.String,java.lang.String> properties, java.lang.String property, long defaultValue)
static java.lang.Boolean	propertyAsNullableBoolean(java.util.Map<java.lang.String,java.lang.String> properties, java.lang.String property)
static java.lang.Integer	propertyAsNullableInt(java.util.Map<java.lang.String,java.lang.String> properties, java.lang.String property)
static java.lang.Long	propertyAsNullableLong(java.util.Map<java.lang.String,java.lang.String> properties, java.lang.String property)
static java.lang.String	propertyAsString(java.util.Map<java.lang.String,java.lang.String> properties, java.lang.String property, java.lang.String defaultValue)

Methods inherited from class java.lang.Object

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

Method Detail

propertyAsBoolean

public static boolean propertyAsBoolean(java.util.Map<java.lang.String,java.lang.String> properties,
                                        java.lang.String property,
                                        boolean defaultValue)

propertyAsNullableBoolean

public static java.lang.Boolean propertyAsNullableBoolean(java.util.Map<java.lang.String,java.lang.String> properties,
                                                          java.lang.String property)

propertyAsDouble

public static double propertyAsDouble(java.util.Map<java.lang.String,java.lang.String> properties,
                                      java.lang.String property,
                                      double defaultValue)

propertyAsInt

public static int propertyAsInt(java.util.Map<java.lang.String,java.lang.String> properties,
                                java.lang.String property,
                                int defaultValue)

propertyAsNullableInt

public static java.lang.Integer propertyAsNullableInt(java.util.Map<java.lang.String,java.lang.String> properties,
                                                      java.lang.String property)

propertyAsLong

public static long propertyAsLong(java.util.Map<java.lang.String,java.lang.String> properties,
                                  java.lang.String property,
                                  long defaultValue)

propertyAsNullableLong

public static java.lang.Long propertyAsNullableLong(java.util.Map<java.lang.String,java.lang.String> properties,
                                                    java.lang.String property)

propertyAsString

public static java.lang.String propertyAsString(java.util.Map<java.lang.String,java.lang.String> properties,
                                                java.lang.String property,
                                                java.lang.String defaultValue)

propertiesWithPrefix

public static java.util.Map<java.lang.String,java.lang.String> propertiesWithPrefix(java.util.Map<java.lang.String,java.lang.String> properties,
                                                                                    java.lang.String prefix)

Returns subset of provided map with keys matching the provided prefix. Matching is case-sensitive and the matching prefix is removed from the keys in returned map.

Parameters:

properties - input map

prefix - prefix to choose keys from input map

Returns:

subset of input map with keys starting with provided prefix and prefix trimmed out

filterProperties

public static java.util.Map<java.lang.String,java.lang.String> filterProperties(java.util.Map<java.lang.String,java.lang.String> properties,
                                                                                java.util.function.Predicate<java.lang.String> keyPredicate)

Filter the properties map by the provided key predicate.

Parameters:

properties - input map

keyPredicate - predicate to choose keys from input map

Returns:

subset of input map with keys satisfying the predicate

applySchemaChanges

public static java.util.Map<java.lang.String,java.lang.String> applySchemaChanges(java.util.Map<java.lang.String,java.lang.String> properties,
                                                                                  java.util.List<java.lang.String> deletedColumns,
                                                                                  java.util.Map<java.lang.String,java.lang.String> renamedColumns,
                                                                                  java.util.Set<java.lang.String> columnProperties)