org.apache.lucene.queryParser.core.nodes
Class AnyQueryNode

java.lang.Object
  extended by org.apache.lucene.queryParser.core.nodes.QueryNodeImpl
      extended by org.apache.lucene.queryParser.core.nodes.BooleanQueryNode
          extended by org.apache.lucene.queryParser.core.nodes.AndQueryNode
              extended by org.apache.lucene.queryParser.core.nodes.AnyQueryNode
All Implemented Interfaces:
Serializable, Cloneable, QueryNode

public class AnyQueryNode
extends AndQueryNode

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

See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.lucene.queryParser.core.nodes.QueryNodeImpl
PLAINTEXT_FIELD_NAME, toQueryStringIgnoreFields
 
Constructor Summary
AnyQueryNode(List<QueryNode> clauses, CharSequence field, int minimumMatchingElements)
           
 
Method Summary
 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:
 
Methods inherited from class org.apache.lucene.queryParser.core.nodes.QueryNodeImpl
add, add, allocate, clone, containsTag, containsTag, getChildren, getParent, getTag, getTag, getTagMap, getTags, isDefaultField, isLeaf, isRoot, set, setLeaf, setTag, setTag, unsetTag, 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:

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


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