org.refcodes.collection.impls

Class PropertiesImpl

java.lang.Object

org.refcodes.collection.impls.PropertiesImpl

All Implemented Interfaces:

Containable, Dictionary<String,String>, Keys<String,String>, Properties

Direct Known Subclasses:

PropertiesImpl.MutablePropertiesImpl

public class PropertiesImpl
extends Object
implements Properties

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PropertiesImpl.MutablePropertiesImpl
static class	PropertiesImpl.PropertiesBuilderImpl

Nested classes/interfaces inherited from interface org.refcodes.collection.Properties

Properties.ClearableProperties, Properties.MutableProperties, Properties.PropertiesBuilder

Nested classes/interfaces inherited from interface org.refcodes.collection.Dictionary

Dictionary.ClearableDictionary<K,V>, Dictionary.MutableDictionary<K,V>

Nested classes/interfaces inherited from interface org.refcodes.collection.Keys

Keys.ClearableKeys<K,V>, Keys.MutableKeys<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,String>	_properties

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PropertiesImpl()
	PropertiesImpl(Map<?,?> aProperties)
	PropertiesImpl(Properties aProperties)

Method Summary

Modifier and Type	Method and Description
boolean	containsKey(String aKey) Tests whether there is an element with the given key.
String	get(String aKey) Retrieves the element assigned to the given key.
boolean	isEmpty() Tests whether the accumulation is empty or not.
Set<String>	keySet() Retrieves a collection containing all the keys found in the elements of this collection.
int	size() Returns the number of data elements contained in the collection.
Collection<String>	values() Returns a Collection view of the values related to the contained keys.

Methods inherited from class java.lang.Object

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

Field Detail

_properties

protected Map<String,String> _properties

Constructor Detail

PropertiesImpl

protected PropertiesImpl()

PropertiesImpl

public PropertiesImpl(Properties aProperties)

PropertiesImpl

public PropertiesImpl(Map<?,?> aProperties)

Method Detail

containsKey

public boolean containsKey(String aKey)

Description copied from interface: Keys

Tests whether there is an element with the given key.

Specified by:

containsKey in interface Keys<String,String>

Parameters:

aKey - The key for which to test whether there is an element.

Returns:

True in case there is an element for the given key.

get

public String get(String aKey)

Description copied from interface: Keys

Retrieves the element assigned to the given key.

Specified by:

get in interface Keys<String,String>

Parameters:

aKey - The key for which to get the element.

Returns:

The column in question or null if there is none such column.

keySet

public Set<String> keySet()

Description copied from interface: Keys

Retrieves a collection containing all the keys found in the elements of this collection.

Specified by:

keySet in interface Keys<String,String>

Returns:

A collection with key objects being the keys of all elements in this collection.

values

public Collection<String> values()

Description copied from interface: Keys

Returns a Collection view of the values related to the contained keys.

Specified by:

values in interface Keys<String,String>

Returns:

A Collection view of the values related to the contained keys.

size

public int size()

Description copied from interface: Containable

Returns the number of data elements contained in the collection.

Specified by:

size in interface Containable

Returns:

An integer representing the number of items stored in the accumulation.

isEmpty

public boolean isEmpty()

Description copied from interface: Containable

Tests whether the accumulation is empty or not. Returns true if the accumulation is empty, else false is returned.

Specified by:

isEmpty in interface Containable

Returns:

True if no element is contained in the accumulation - else false is returned.