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## org.apache.openjpa.jdbc.kernel
Class SQLStoreQuery

    java.lang.Object
      org.apache.openjpa.kernel.AbstractStoreQuery
          org.apache.openjpa.jdbc.kernel.SQLStoreQuery

All Implemented Interfaces:
  Serializable, QueryOperations, StoreQuery

    public class SQLStoreQuery

extends AbstractStoreQuery

A SQL query.

Author:
  Abe White
See Also:
  Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.openjpa.kernel.AbstractStoreQuery
`AbstractStoreQuery.AbstractExecutor`

Nested classes/interfaces inherited from interface org.apache.openjpa.kernel.StoreQuery
`StoreQuery.Executor, StoreQuery.Range`

Field Summary

Fields inherited from class org.apache.openjpa.kernel.AbstractStoreQuery
`ctx`

Fields inherited from interface org.apache.openjpa.kernel.StoreQuery
`EMPTY_BOOLEANS, EMPTY_CLASSES, EMPTY_METAS, EMPTY_OBJECTS, EMPTY_PARAMS, EMPTY_STRINGS`

Fields inherited from interface org.apache.openjpa.kernel.QueryOperations
`OP_DELETE, OP_SELECT, OP_UPDATE`

Constructor Summary
`SQLStoreQuery(JDBCStore store)` Construct a query managed by the given context.

Method Summary
`JDBCStore` | `getStore()`
`StoreQuery.Executor` | `newDataStoreExecutor(ClassMetaData meta, boolean subclasses)` Return an executor for datastore execution of this query.
`boolean` | `requiresCandidateType()` Whether this query requires a candidate class.
`boolean` | `requiresParameterDeclarations()` Whether this query requires parameters to be declared.
`boolean` | `supportsDataStoreExecution()` True if this query supports datastore execution, false if it can only run in memory.
`boolean` | `supportsParameterDeclarations()` Whether this query supports declared parameters.

Methods inherited from class org.apache.openjpa.kernel.AbstractStoreQuery
`getAggregateListener, getContext, getFilterListener, invalidateCompilation, newCompilation, newCompilationKey, newInMemoryExecutor, populateFromCompilation, setContext, setQuery, supportsAbstractExecutors, supportsInMemoryExecution`

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

Constructor Detail

### SQLStoreQuery

    public SQLStoreQuery(JDBCStore store)

  Construct a query managed by the given context.

Method Detail

### getStore

    public JDBCStore getStore()

### supportsParameterDeclarations

    public boolean supportsParameterDeclarations()

  Description copied from interface: `StoreQuery`
  Whether this query supports declared parameters.

  Specified by:
    `supportsParameterDeclarations` in interface `StoreQuery`
  Overrides:
    `supportsParameterDeclarations` in class `AbstractStoreQuery`

### supportsDataStoreExecution

    public boolean supportsDataStoreExecution()

  Description copied from interface: `StoreQuery`
  True if this query supports datastore execution, false if it can only run in memory.

  Specified by:
    `supportsDataStoreExecution` in interface `StoreQuery`
  Overrides:
    `supportsDataStoreExecution` in class `AbstractStoreQuery`

### newDataStoreExecutor

    public StoreQuery.Executor newDataStoreExecutor(ClassMetaData meta,
                                                    boolean subclasses)

  Description copied from interface: `StoreQuery`
  Return an executor for datastore execution of this query. Executors must be cachable and thread safe. If this class returns true from `StoreQuery.supportsAbstractExecutors()`, the given metadata will always be for the candidate class of this query, or possibly null if the candidate class is not itself persistence capable (like an interface or abstract base class). Otherwise, the given type will be a mapped class.

  Specified by:
    `newDataStoreExecutor` in interface `StoreQuery`
  Overrides:
    `newDataStoreExecutor` in class `AbstractStoreQuery`
    `subclasses` - whether to include dependent mapped subclasses in the results; independent subclasses should never be included

### requiresCandidateType

    public boolean requiresCandidateType()

  Description copied from interface: `StoreQuery`
  Whether this query requires a candidate class.

  Specified by:
    `requiresCandidateType` in interface `StoreQuery`
  Overrides:
    `requiresCandidateType` in class `AbstractStoreQuery`

### requiresParameterDeclarations

    public boolean requiresParameterDeclarations()

  Description copied from interface: `StoreQuery`
  Whether this query requires parameters to be declared.

  Specified by:
    `requiresParameterDeclarations` in interface `StoreQuery`
  Overrides:
    `requiresParameterDeclarations` in class `AbstractStoreQuery`

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Copyright © 2006 Apache Software Foundation. All Rights Reserved.