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## org.apache.lucene.search
Class MatchAllDocsQuery

    java.lang.Object
      org.apache.lucene.search.Query
          org.apache.lucene.search.MatchAllDocsQuery

All Implemented Interfaces:
  Cloneable

    public class MatchAllDocsQuery

extends Query

A query that matches all documents.

Constructor Summary
`MatchAllDocsQuery()`

Method Summary
`Weight` | `createWeight(IndexSearcher searcher)` Expert: Constructs an appropriate Weight implementation for this query.
`boolean` | `equals(Object o)`
`void` | `extractTerms(Set<Term> terms)` Expert: adds all terms occurring in this query to the terms set.
`int` | `hashCode()`
`String` | `toString(String field)` Prints a query to a string, with `field` assumed to be the default field and omitted.

Methods inherited from class org.apache.lucene.search.Query
`clone, getBoost, rewrite, setBoost, toString`

Methods inherited from class java.lang.Object
`finalize, getClass, notify, notifyAll, wait, wait, wait`

Constructor Detail

### MatchAllDocsQuery

    public MatchAllDocsQuery()

Method Detail

### createWeight

    public Weight createWeight(IndexSearcher searcher)

  Description copied from class: `Query`
  Expert: Constructs an appropriate Weight implementation for this query.

  Only implemented by primitive queries, which re-write to themselves.

  Overrides:
    `createWeight` in class `Query`

### extractTerms

    public void extractTerms(Set<Term> terms)

  Description copied from class: `Query`
  Expert: adds all terms occurring in this query to the terms set. Only works if this query is in its `rewritten` form.

  Overrides:
    `extractTerms` in class `Query`

### toString

    public String toString(String field)

  Description copied from class: `Query`
  Prints a query to a string, with `field` assumed to be the default field and omitted.

  Specified by:
    `toString` in class `Query`

### equals

    public boolean equals(Object o)

  Overrides:
    `equals` in class `Query`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `Query`

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