com.facebook.presto.spi.session

Class PropertyMetadata<T>

java.lang.Object

com.facebook.presto.spi.session.PropertyMetadata<T>

public final class PropertyMetadata<T>
extends Object

Constructor Summary

Constructors

Constructor and Description
PropertyMetadata(String name, String description, Type sqlType, Class<T> javaType, T defaultValue, boolean hidden, java.util.function.Function<Object,T> decoder, java.util.function.Function<T,Object> encoder)

Method Summary

Modifier and Type	Method and Description
static <T> PropertyMetadata<Boolean>	booleanSessionProperty(String name, String description, Boolean defaultValue, boolean hidden)
T	decode(Object value) Decodes the SQL type object value to the Java type of the property.
static PropertyMetadata<Double>	doubleSessionProperty(String name, String description, Double defaultValue, boolean hidden)
Object	encode(T value) Encodes the Java type value to SQL type object value
T	getDefaultValue() Gets the default value for this property.
String	getDescription() Description for the end user.
Class<T>	getJavaType() Java type of this property.
String	getName() Name of the session property.
Type	getSqlType() SQL type of the property.
static PropertyMetadata<Integer>	integerSessionProperty(String name, String description, Integer defaultValue, boolean hidden)
boolean	isHidden() Is this property hidden from users?
static PropertyMetadata<Long>	longSessionProperty(String name, String description, Long defaultValue, boolean hidden)
static PropertyMetadata<String>	stringSessionProperty(String name, String description, String defaultValue, boolean hidden)

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyMetadata

public PropertyMetadata(String name,
                        String description,
                        Type sqlType,
                        Class<T> javaType,
                        T defaultValue,
                        boolean hidden,
                        java.util.function.Function<Object,T> decoder,
                        java.util.function.Function<T,Object> encoder)

Method Detail

getName

public String getName()

Name of the session property. This must be a valid identifier.

getDescription

public String getDescription()

Description for the end user.

getSqlType

public Type getSqlType()

SQL type of the property.

getJavaType

public Class<T> getJavaType()

Java type of this property.

getDefaultValue

public T getDefaultValue()

Gets the default value for this property.

isHidden

public boolean isHidden()

Is this property hidden from users?

decode

public T decode(Object value)

Decodes the SQL type object value to the Java type of the property.

encode

public Object encode(T value)

Encodes the Java type value to SQL type object value

booleanSessionProperty

public static <T> PropertyMetadata<Boolean> booleanSessionProperty(String name,
                                                                   String description,
                                                                   Boolean defaultValue,
                                                                   boolean hidden)

integerSessionProperty

public static PropertyMetadata<Integer> integerSessionProperty(String name,
                                                               String description,
                                                               Integer defaultValue,
                                                               boolean hidden)

longSessionProperty

public static PropertyMetadata<Long> longSessionProperty(String name,
                                                         String description,
                                                         Long defaultValue,
                                                         boolean hidden)

doubleSessionProperty

public static PropertyMetadata<Double> doubleSessionProperty(String name,
                                                             String description,
                                                             Double defaultValue,
                                                             boolean hidden)

stringSessionProperty

public static PropertyMetadata<String> stringSessionProperty(String name,
                                                             String description,
                                                             String defaultValue,
                                                             boolean hidden)