Package org.apache.solr.client.solrj.response

Class GroupCommand

java.lang.Object

org.apache.solr.client.solrj.response.GroupCommand

All Implemented Interfaces:

Serializable

public class GroupCommand
extends Object
implements Serializable

This class represents the result of a group command. This can be the result of the following parameter:

• group.field
• group.func
• group.query

An instance of this class contains:

• The name of this command. This can be the field, function or query grouped by.
• The total number of documents that have matched.
• The total number of groups that have matched.
• The groups to be displayed. Depending on the start and rows parameter.

In case of group.query only one group is present and ngroups is always null .

Since:

solr 3.4

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
GroupCommand(String name, int matches)	Creates a GroupCommand instance
GroupCommand(String name, int matches, int nGroups)	Creates a GroupCommand instance.

Method Summary

Modifier and Type	Method	Description
void	add(Group group)	Adds a group to this command.
int	getMatches()	Returns the total number of documents found for this command.
String	getName()	Returns the name of this command.
Integer	getNGroups()	Returns the total number of groups found for this command.
List<Group>	getValues()	Returns the groups to be displayed.

Methods inherited from class java.lang.Object

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

Constructor Details

GroupCommand

public GroupCommand(String name,
 int matches)

Creates a GroupCommand instance

Parameters:

name - The name of this command

matches - The total number of documents found for this command

GroupCommand

public GroupCommand(String name,
 int matches,
 int nGroups)

Creates a GroupCommand instance.

Parameters:

name - The name of this command

matches - The total number of documents found for this command

nGroups - The total number of groups found for this command.

Method Details

getName

public String getName()

Returns the name of this command. This can be the field, function or query grouped by.

Returns:

the name of this command

add

public void add(Group group)

Adds a group to this command.

Parameters:

group - A group to be added

getValues

public List<Group> getValues()

Returns the groups to be displayed. The number of groups returned depend on the start and rows parameters.

Returns:

the groups to be displayed.

getMatches

public int getMatches()

Returns the total number of documents found for this command.

Returns:

the total number of documents found for this command.

getNGroups

public Integer getNGroups()

Returns the total number of groups found for this command. Returns null if the group.ngroups parameter is unset or false or if this is a group command query (parameter = group.query).

Returns:

the total number of groups found for this command.