com.hazelcast.spi.properties

Class HazelcastProperties

java.lang.Object

com.hazelcast.spi.properties.HazelcastProperties

public class HazelcastProperties
extends Object

Container for configured Hazelcast properties (HazelcastProperty).

A HazelcastProperty can be set as:

• an environmental variable using System.setProperty(String, String)
• the programmatic configuration using Config.setProperty(String, String)
• the XML configuration http://docs.hazelcast.org/docs/latest-dev/manual/html-single/hazelcast-documentation.html#system-properties

Constructor Summary

Constructors

Constructor and Description
HazelcastProperties(Config config) Creates a container with configured Hazelcast properties.
HazelcastProperties(Properties nullableProperties) Creates a container with configured Hazelcast properties.

Method Summary

Methods

Modifier and Type	Method and Description
String	get(String key) Returns the value for the given key.
boolean	getBoolean(HazelcastProperty property) Returns the configured boolean value of a HazelcastProperty.
<E extends Enum> E	getEnum(HazelcastProperty property, Class<E> enumClazz) Returns the configured enum value of a GroupProperty.
float	getFloat(HazelcastProperty property) Returns the configured float value of a HazelcastProperty.
int	getInteger(HazelcastProperty property) Returns the configured int value of a HazelcastProperty.
long	getLong(HazelcastProperty property) Returns the configured long value of a HazelcastProperty.
long	getMillis(HazelcastProperty property) Returns the configured value of a HazelcastProperty converted to milliseconds.
long	getNanos(HazelcastProperty property) Returns the configured value of a HazelcastProperty converted to nanoseconds.
int	getSeconds(HazelcastProperty property) Returns the configured value of a HazelcastProperty converted to seconds.
String	getString(HazelcastProperty property) Returns the configured value of a HazelcastProperty as String.
Set<String>	keySet() Returns an immutable set of all keys in this HazelcastProperties.

Methods inherited from class java.lang.Object

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

Constructor Detail

HazelcastProperties

public HazelcastProperties(Config config)

Creates a container with configured Hazelcast properties.

Uses the environmental value if no value is defined in the configuration. Uses the default value if no environmental value is defined.

Parameters:

config - Config used to configure the HazelcastProperty values. Properties in config are allowed to be null.

HazelcastProperties

public HazelcastProperties(Properties nullableProperties)

Creates a container with configured Hazelcast properties.

Uses the environmental value if no value is defined in the configuration. Uses the default value if no environmental value is defined.

Parameters:

nullableProperties - Properties used to configure the HazelcastProperty values. Properties are allowed to be null.

Method Detail

keySet

public Set<String> keySet()

Returns an immutable set of all keys in this HazelcastProperties.

Returns:

set of keys.

get

public String get(String key)

Returns the value for the given key.

Parameters:

key - the key

Returns:

the value for the given key, or null if no value is found.

Throws:

NullPointerException - if key is null.

getString

public String getString(HazelcastProperty property)

Returns the configured value of a HazelcastProperty as String.

Parameters:

property - the HazelcastProperty to get the value from

Returns:

the value or null if nothing has been configured

getBoolean

public boolean getBoolean(HazelcastProperty property)

Returns the configured boolean value of a HazelcastProperty.

Parameters:

property - the HazelcastProperty to get the value from

Returns:

the value as boolean

getInteger

public int getInteger(HazelcastProperty property)

Returns the configured int value of a HazelcastProperty.

Parameters:

property - the HazelcastProperty to get the value from

Returns:

the value as int

Throws:

NumberFormatException - if the value cannot be parsed

getLong

public long getLong(HazelcastProperty property)

Returns the configured long value of a HazelcastProperty.

Parameters:

property - the HazelcastProperty to get the value from

Returns:

the value as long

Throws:

NumberFormatException - if the value cannot be parsed

getFloat

public float getFloat(HazelcastProperty property)

Returns the configured float value of a HazelcastProperty.

Parameters:

property - the HazelcastProperty to get the value from

Returns:

the value as float

Throws:

NumberFormatException - if the value cannot be parsed

getNanos

public long getNanos(HazelcastProperty property)

Returns the configured value of a HazelcastProperty converted to nanoseconds.

Parameters:

property - the HazelcastProperty to get the value from

Returns:

the value in nanoseconds

Throws:

IllegalArgumentException - if the HazelcastProperty has no TimeUnit

getMillis

public long getMillis(HazelcastProperty property)

Returns the configured value of a HazelcastProperty converted to milliseconds.

Parameters:

property - the HazelcastProperty to get the value from

Returns:

the value in milliseconds

Throws:

IllegalArgumentException - if the HazelcastProperty has no TimeUnit

getSeconds

public int getSeconds(HazelcastProperty property)

Returns the configured value of a HazelcastProperty converted to seconds.

Parameters:

property - the HazelcastProperty to get the value from

Returns:

the value in seconds

Throws:

IllegalArgumentException - if the HazelcastProperty has no TimeUnit

getEnum

public <E extends Enum> E getEnum(HazelcastProperty property,
                         Class<E> enumClazz)

Returns the configured enum value of a GroupProperty.

The case of the enum is ignored.

Parameters:

property - the GroupProperty to get the value from

Returns:

the enum

Throws:

IllegalArgumentException - if the enum value can't be found