Package uk.gov.gchq.gaffer.data.element

Class LazyProperties

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<String,Object>

uk.gov.gchq.gaffer.data.element.Properties

uk.gov.gchq.gaffer.data.element.LazyProperties

All Implemented Interfaces:

Serializable, Cloneable, Map<String,Object>

public class LazyProperties
extends Properties

LazyProperties wraps Properties and lazily loads property values when requested using a provided ElementValueLoader.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K extends Object,V extends Object>

Constructor Summary

Constructors

Constructor	Description
LazyProperties(Properties properties, ElementValueLoader valueLoader)	Constructs a by wrapping the provided Properties and using the ElementValueLoader to lazily load the property values when requested.

Method Summary

Modifier and Type	Method	Description
void	clear()
LazyProperties	clone()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set<Map.Entry<String,Object>>	entrySet()
boolean	equals(Object obj)
Object	get(Object name)
Object	get(String name)
Properties	getProperties()
int	hashCode()
boolean	isEmpty()
void	keepOnly(Collection<String> propertiesToKeep)	Removes all properties with names that are not in the provided set.
Set<String>	keySet()
Object	put(String name, Object property)
void	putAll(Map<? extends String,?> newProperties)
Object	remove(Object name)
void	remove(Collection<String> propertiesToRemove)
int	size()
Collection<Object>	values()

Methods inherited from class uk.gov.gchq.gaffer.data.element.Properties

toString

Methods inherited from class java.util.HashMap

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

LazyProperties

public LazyProperties(Properties properties,
                      ElementValueLoader valueLoader)

Constructs a by wrapping the provided Properties and using the ElementValueLoader to lazily load the property values when requested.

Parameters:

properties - the properties to wrap.

valueLoader - the element value loader to use to lazily load the property values

Method Detail

getProperties

public Properties getProperties()

put

public Object put(String name,
                  Object property)

Specified by:

put in interface Map<String,Object>

Overrides:

put in class Properties

putAll

public void putAll(Map<? extends String,?> newProperties)

Specified by:

putAll in interface Map<String,Object>

Overrides:

putAll in class HashMap<String,Object>

clone

public LazyProperties clone()

Overrides:

clone in class Properties

get

public Object get(Object name)

Specified by:

get in interface Map<String,Object>

Overrides:

get in class HashMap<String,Object>

get

public Object get(String name)

clear

public void clear()

Specified by:

clear in interface Map<String,Object>

Overrides:

clear in class HashMap<String,Object>

remove

public Object remove(Object name)

Specified by:

remove in interface Map<String,Object>

Overrides:

remove in class HashMap<String,Object>

keepOnly

public void keepOnly(Collection<String> propertiesToKeep)

Description copied from class: Properties

Removes all properties with names that are not in the provided set.

Overrides:

keepOnly in class Properties

Parameters:

propertiesToKeep - a set of properties to keep

remove

public void remove(Collection<String> propertiesToRemove)

Overrides:

remove in class Properties

size

public int size()

Specified by:

size in interface Map<String,Object>

Overrides:

size in class HashMap<String,Object>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<String,Object>

Overrides:

isEmpty in class HashMap<String,Object>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<String,Object>

Overrides:

containsKey in class HashMap<String,Object>

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map<String,Object>

Overrides:

containsValue in class HashMap<String,Object>

keySet

public Set<String> keySet()

Specified by:

keySet in interface Map<String,Object>

Overrides:

keySet in class HashMap<String,Object>

values

public Collection<Object> values()

Specified by:

values in interface Map<String,Object>

Overrides:

values in class HashMap<String,Object>

entrySet

public Set<Map.Entry<String,Object>> entrySet()

Specified by:

entrySet in interface Map<String,Object>

Overrides:

entrySet in class HashMap<String,Object>

equals

public boolean equals(Object obj)

Specified by:

equals in interface Map<String,Object>

Overrides:

equals in class AbstractMap<String,Object>

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<String,Object>

Overrides:

hashCode in class AbstractMap<String,Object>