it.unimi.di.mg4j.query.nodes
Class Consecutive

java.lang.Object
  it.unimi.di.mg4j.query.nodes.Composite
      it.unimi.di.mg4j.query.nodes.Consecutive

All Implemented Interfaces:

Query, Serializable

public class Consecutive
extends Composite

A node representing the consecutive composition of the underlying queries.

Author:

Sebastiano Vigna

See Also:

Serialized Form

Field Summary

int[]

gap The gap array for this consecutive composition, or null for no gaps (see ConsecutiveDocumentIterator).

Fields inherited from class it.unimi.di.mg4j.query.nodes.Composite

query

Constructor Summary

Consecutive(Query... query)

Consecutive(Query[] query, int[] gap)

Method Summary

<T> T	accept(QueryBuilderVisitor<T> visitor) Accepts a visitor.
boolean	equals(Object o)
int	hashCode()
String	toString()

Methods inherited from class it.unimi.di.mg4j.query.nodes.Composite

components, toString

Methods inherited from class java.lang.Object

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

Field Detail

gap

public final int[] gap

The gap array for this consecutive composition, or null for no gaps (see ConsecutiveDocumentIterator). The array can be long as Composite.query, or have an additional element representing a final gap: in this case, the index against which the query is resolved must provide document sizes.

Constructor Detail

Consecutive

public Consecutive(Query... query)

Consecutive

public Consecutive(Query[] query,
                   int[] gap)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

accept

public <T> T accept(QueryBuilderVisitor<T> visitor)
         throws QueryBuilderVisitorException

Description copied from interface: Query

Accepts a visitor.

Parameters:

visitor - the visitor.

Returns:

the result of the visit, or null if the visit should stop.

Throws:

QueryBuilderVisitorException

See Also:

Query

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object