org.space4j.indexing
Class Index<E>

java.lang.Object
  org.space4j.indexing.Index<E>

All Implemented Interfaces:

java.io.Serializable

public class Index<E>
extends java.lang.Object
implements java.io.Serializable

An object representing an Index in the system. An index contains a name, a classname, and a set o attributes. Index can be simple or compound.

See Also:

Serialized Form

Nested Class Summary

static class

Index.TYPE

Constructor Summary

Index(java.lang.String name, java.lang.Object source, Index.TYPE type, java.lang.Class<? extends java.lang.Object> klass, java.lang.String... attributes)
Create a new Index.

Index(java.lang.String name, java.lang.Object source, Index.TYPE type, java.util.Comparator<Key> comp, java.lang.Class<? extends java.lang.Object> klass, java.lang.String... attributes)

Method Summary

boolean	equals(java.lang.Object obj)
java.lang.String[]	getAttributes() Return the attributes of this index.
java.lang.String	getClassName() Return the name of the class of this index.
java.util.Comparator<Key>	getComparator()
Key	getKey(java.lang.Object value) Get a key to be used by this index for a given object.
<T> T	getMap()
protected <T> T	getMap(Index.TYPE type, java.util.Comparator<Key> comparator)
java.lang.String	getName() Return the name of this index.
java.lang.Object	getSource()
Index.TYPE	getType()
protected java.lang.String	getTypeName(Index.TYPE type)
boolean	hasAttribute(java.lang.String attribute) Check if this index contains a given attribute.
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Index

public Index(java.lang.String name,
             java.lang.Object source,
             Index.TYPE type,
             java.lang.Class<? extends java.lang.Object> klass,
             java.lang.String... attributes)

Create a new Index.

Parameters:

name - The name of this index.

klass - The class of this index.

attributes - An array of attributes.

Index

public Index(java.lang.String name,
             java.lang.Object source,
             Index.TYPE type,
             java.util.Comparator<Key> comp,
             java.lang.Class<? extends java.lang.Object> klass,
             java.lang.String... attributes)

Method Detail

getComparator

public java.util.Comparator<Key> getComparator()

getSource

public java.lang.Object getSource()

getType

public Index.TYPE getType()

getMap

public <T> T getMap()

getTypeName

protected java.lang.String getTypeName(Index.TYPE type)

getMap

protected <T> T getMap(Index.TYPE type,
                       java.util.Comparator<Key> comparator)

getName

public java.lang.String getName()

Return the name of this index.

Returns:

The name of the index.

getClassName

public java.lang.String getClassName()

Return the name of the class of this index.

Returns:

The name of the class.

getAttributes

public java.lang.String[] getAttributes()

Return the attributes of this index.

Returns:

The attributes of the index.

hasAttribute

public boolean hasAttribute(java.lang.String attribute)

Check if this index contains a given attribute.

Parameters:

attribute - The attribute we are looking for.

Returns:

True if the index contains this attribute.

getKey

public Key getKey(java.lang.Object value)

Get a key to be used by this index for a given object.

Parameters:

value - The object from which we want a key.

Returns:

A key for this object.

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object