org.apache.lucene.queryparser.flexible.core.nodes

Class AnyQueryNode

java.lang.Object

org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl

org.apache.lucene.queryparser.flexible.core.nodes.BooleanQueryNode

org.apache.lucene.queryparser.flexible.core.nodes.AndQueryNode

org.apache.lucene.queryparser.flexible.core.nodes.AnyQueryNode

All Implemented Interfaces:

Cloneable, QueryNode

public class AnyQueryNode
extends AndQueryNode

A AnyQueryNode represents an ANY operator performed on a list of nodes.

Field Summary

Fields inherited from class org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl

PLAINTEXT_FIELD_NAME, toQueryStringIgnoreFields

Constructor Summary

Constructors

Constructor and Description
AnyQueryNode(List<QueryNode> clauses, CharSequence field, int minimumMatchingElements)

Method Summary

Modifier and Type	Method and Description
QueryNode	cloneTree() Recursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() method
CharSequence	getField() returns null if the field was not specified
String	getFieldAsString() returns - null if the field was not specified
int	getMinimumMatchingElements()
void	setField(CharSequence field)
CharSequence	toQueryString(EscapeQuerySyntax escapeSyntaxParser) convert to a query string understood by the query parser
String	toString() Every implementation of this class should return pseudo xml like this: For FieldQueryNode: <field start='1' end='2' field='subject' text='foo'/>

Methods inherited from class org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl

add, add, allocate, clone, containsTag, getChildren, getParent, getTag, getTagMap, isDefaultField, isLeaf, isRoot, removeChildren, removeFromParent, set, setLeaf, setTag, unsetTag

Methods inherited from class java.lang.Object

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

Constructor Detail

AnyQueryNode

public AnyQueryNode(List<QueryNode> clauses,
                    CharSequence field,
                    int minimumMatchingElements)

Parameters:

clauses - - the query nodes to be or'ed

Method Detail

getMinimumMatchingElements

public int getMinimumMatchingElements()

getField

public CharSequence getField()

returns null if the field was not specified

Returns:

the field

getFieldAsString

public String getFieldAsString()

returns - null if the field was not specified

Returns:

the field as a String

setField

public void setField(CharSequence field)

Parameters:

field - - the field to set

cloneTree

public QueryNode cloneTree()
                    throws CloneNotSupportedException

Description copied from interface: QueryNode

Recursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() method

Specified by:

cloneTree in interface QueryNode

Overrides:

cloneTree in class BooleanQueryNode

Returns:

the cloned tree

Throws:

CloneNotSupportedException

toString

public String toString()

Description copied from class: QueryNodeImpl

Every implementation of this class should return pseudo xml like this: For FieldQueryNode: <field start='1' end='2' field='subject' text='foo'/>

Specified by:

toString in interface QueryNode

Overrides:

toString in class AndQueryNode

See Also:

QueryNode.toString()

toQueryString

public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser)

Description copied from interface: QueryNode

convert to a query string understood by the query parser

Specified by:

toQueryString in interface QueryNode

Overrides:

toQueryString in class AndQueryNode