Package 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:

  • Method Details

    • 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