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## org.modeshape.jcr.query.model
Class Subquery

    java.lang.Object
      org.modeshape.jcr.query.model.Subquery

All Implemented Interfaces:
  Serializable, Operand, StaticOperand, Subquery, LanguageObject, Visitable

    public class Subquery

extends Object
implements StaticOperand, Subquery

A representation of a non-correlated subquery. This component uses composition to hold the various types of QueryCommand objects, rather than inheriting from StaticOperand and QueryCommand.

See Also:
  Serialized Form

Field Summary
`static String` | `VARIABLE_PREFIX`

Constructor Summary
`Subquery(QueryCommand query)` Create a new subquery component that uses the supplied query as the subquery expression.

Method Summary
`void` | `accept(Visitor visitor)` Accept the supplied visitor, which should call back to the visitor to complete the double-dispatch operation.
`boolean` | `equals(Object obj)`
`QueryCommand` | `getQuery()` Gets the `QueryCommand` that makes up the subqery.
`int` | `hashCode()`
`static boolean` | `isSubqueryVariableName(String variableName)`
`String` | `toString()`

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

Field Detail

### VARIABLE_PREFIX

    public static final String VARIABLE_PREFIX

See Also:
  Constant Field Values

Constructor Detail

### Subquery

    public Subquery(QueryCommand query)

  Create a new subquery component that uses the supplied query as the subquery expression.

  Parameters:
    `query` - the Command representing the subquery.

Method Detail

### isSubqueryVariableName

    public static boolean isSubqueryVariableName(String variableName)

### getQuery

    public QueryCommand getQuery()

  Description copied from interface: `Subquery`
  Gets the `QueryCommand` that makes up the subqery.

  Specified by:
    `getQuery` in interface `Subquery`
  Returns:
    the query command; non-null

### accept

    public void accept(Visitor visitor)

  Description copied from interface: `Visitable`
  Accept the supplied visitor, which should call back to the visitor to complete the double-dispatch operation.

  Specified by:
    `accept` in interface `Visitable`
  Parameters:
    `visitor` - the visitor; never null

### toString

    public String toString()

  Overrides:
    `toString` in class `Object`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `Object`

### equals

    public boolean equals(Object obj)

  Overrides:
    `equals` in class `Object`

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