Package org.springframework.data.cassandra.repository.query

Class PartTreeCassandraQuery

java.lang.Object

org.springframework.data.cassandra.repository.query.CassandraRepositoryQuerySupport

org.springframework.data.cassandra.repository.query.AbstractCassandraQuery

org.springframework.data.cassandra.repository.query.PartTreeCassandraQuery

All Implemented Interfaces:

org.springframework.data.repository.query.RepositoryQuery

public class PartTreeCassandraQuery
extends AbstractCassandraQuery

RepositoryQuery implementation for Cassandra.

Author:

Matthew Adams, Mark Paluch

See Also:

• AbstractCassandraQuery

Field Summary

Fields inherited from class org.springframework.data.cassandra.repository.query.CassandraRepositoryQuerySupport

log

Constructor Summary

Constructors

Constructor	Description
PartTreeCassandraQuery(CassandraQueryMethod queryMethod, CassandraOperations operations)	Create a new PartTreeCassandraQuery from the given QueryMethod and CassandraTemplate.

Method Summary

Modifier and Type	Method	Description
protected com.datastax.oss.driver.api.core.cql.SimpleStatement	createQuery(CassandraParameterAccessor parameterAccessor)	Creates a Statement using the given ParameterAccessor
protected org.springframework.data.mapping.context.MappingContext<? extends CassandraPersistentEntity<?>,CassandraPersistentProperty>	getMappingContext()	Returns the MappingContext used by this query to access mapping meta-data used to store (map) objects to Cassandra tables.
protected StatementFactory	getStatementFactory()	Returns the StatementFactory used by this query to construct and run Cassandra CQL statements.
protected org.springframework.data.repository.query.parser.PartTree	getTree()	Return the PartTree backing the query.
protected boolean	isCountQuery()	Returns whether the query should get a count projection applied.
protected boolean	isExistsQuery()	Returns whether the query should get an exists projection applied.
protected boolean	isLimiting()	Return whether the query has an explicit limit set.
protected boolean	isModifyingQuery()	Returns whether the query is a modifying query.

Methods inherited from class org.springframework.data.cassandra.repository.query.AbstractCassandraQuery

execute, getOperations

Methods inherited from class org.springframework.data.cassandra.repository.query.CassandraRepositoryQuerySupport

getEntityInstantiators, getQueryMethod, getQueryStatementCreator

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PartTreeCassandraQuery

public PartTreeCassandraQuery(CassandraQueryMethod queryMethod,
 CassandraOperations operations)

Create a new PartTreeCassandraQuery from the given QueryMethod and CassandraTemplate.

Parameters:

queryMethod - must not be null.

operations - must not be null.

Method Details

getMappingContext

protected org.springframework.data.mapping.context.MappingContext<? extends CassandraPersistentEntity<?>,CassandraPersistentProperty> getMappingContext()

Returns the MappingContext used by this query to access mapping meta-data used to store (map) objects to Cassandra tables.

Overrides:

getMappingContext in class CassandraRepositoryQuerySupport

Returns:

the MappingContext used by this query.

See Also:

• CassandraMappingContext

getStatementFactory

protected StatementFactory getStatementFactory()

Returns the StatementFactory used by this query to construct and run Cassandra CQL statements.

Returns:

the StatementFactory used by this query to construct and run Cassandra CQL statements.

See Also:

• StatementFactory

getTree

protected org.springframework.data.repository.query.parser.PartTree getTree()

Return the PartTree backing the query.

Returns:

the tree

createQuery

protected com.datastax.oss.driver.api.core.cql.SimpleStatement createQuery(CassandraParameterAccessor parameterAccessor)

Description copied from class: AbstractCassandraQuery

Creates a Statement using the given ParameterAccessor

Specified by:

createQuery in class AbstractCassandraQuery

Parameters:

parameterAccessor - must not be null.

isCountQuery

protected boolean isCountQuery()

Description copied from class: AbstractCassandraQuery

Returns whether the query should get a count projection applied.

Specified by:

isCountQuery in class AbstractCassandraQuery

Returns:

a boolean value indicating whether the query is a count projection.

isExistsQuery

protected boolean isExistsQuery()

Description copied from class: AbstractCassandraQuery

Returns whether the query should get an exists projection applied.

Specified by:

isExistsQuery in class AbstractCassandraQuery

Returns:

a boolean value indicating whether the query is an exists projection.

isLimiting

protected boolean isLimiting()

Description copied from class: AbstractCassandraQuery

Return whether the query has an explicit limit set.

Specified by:

isLimiting in class AbstractCassandraQuery

Returns:

a boolean value indicating whether the query has an explicit limit set.

isModifyingQuery

protected boolean isModifyingQuery()

Description copied from class: AbstractCassandraQuery

Returns whether the query is a modifying query.

Specified by:

isModifyingQuery in class AbstractCassandraQuery

Returns:

a boolean value indicating whether the query is a modifying query.