org.apache.lucene.queryparser.flexible.core.config
Class AbstractQueryConfig

java.lang.Object
  org.apache.lucene.queryparser.flexible.core.config.AbstractQueryConfig

Direct Known Subclasses:

FieldConfig, QueryConfigHandler

public abstract class AbstractQueryConfig
extends Object

This class is the base of QueryConfigHandler and FieldConfig. It has operations to set, unset and get configuration values.

Each configuration is is a key->value pair. The key should be an unique ConfigurationKey instance and it also holds the value's type.

See Also:

ConfigurationKey

Method Summary

<T> T	get(ConfigurationKey<T> key) Returns the value held by the given key.
<T> boolean	has(ConfigurationKey<T> key) Returns true if there is a value set with the given key, otherwise false.
<T> void	set(ConfigurationKey<T> key, T value) Sets a key and its value.
<T> boolean	unset(ConfigurationKey<T> key) Unsets the given key and its value.

Methods inherited from class java.lang.Object

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

Method Detail

get

public <T> T get(ConfigurationKey<T> key)

Returns the value held by the given key.

Type Parameters:

T - the value's type

Parameters:

key - the key, cannot be null

Returns:

the value held by the given key

has

public <T> boolean has(ConfigurationKey<T> key)

Returns true if there is a value set with the given key, otherwise false.

Type Parameters:

T - the value's type

Parameters:

key - the key, cannot be null

Returns:

true if there is a value set with the given key, otherwise false

set

public <T> void set(ConfigurationKey<T> key,
                    T value)

Sets a key and its value.

Type Parameters:

T - the value's type

Parameters:

key - the key, cannot be null

value - value to set

unset

public <T> boolean unset(ConfigurationKey<T> key)

Unsets the given key and its value.

Type Parameters:

T - the value's type

Parameters:

key - the key

Returns:

true if the key and value was set and removed, otherwise false