Uses of Class
org.apache.hadoop.hdfs.server.federation.store.records.Query
Packages that use Query
Package
Description
The federation state store tracks persistent values that are shared between
multiple routers.
The state store uses modular data storage classes derived from
StateStoreDriver to handle querying, updating and deleting data records.
Implementations of state store data providers/drivers.
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Uses of Query in org.apache.hadoop.hdfs.server.federation.store
Methods in org.apache.hadoop.hdfs.server.federation.store with parameters of type QueryModifier and TypeMethodDescriptionstatic <T extends BaseRecord>
List<T>StateStoreUtils.filterMultiple(Query<T> query, Iterable<T> records) Filters a list of records to find all records matching the query. -
Uses of Query in org.apache.hadoop.hdfs.server.federation.store.driver
Methods in org.apache.hadoop.hdfs.server.federation.store.driver that return types with arguments of type QueryModifier and TypeMethodDescription<T extends BaseRecord>
Map<Query<T>,Integer> Remove all records of a specific class that match any query in a list of queries.Methods in org.apache.hadoop.hdfs.server.federation.store.driver with parameters of type QueryModifier and TypeMethodDescription<T extends BaseRecord>
TGet a single record from the store that matches the query.<T extends BaseRecord>
List<T>StateStoreRecordOperations.getMultiple(Class<T> clazz, Query<T> query) Get multiple records from the store that match a query.<T extends BaseRecord>
intRemove multiple records of a specific class that match a query.Method parameters in org.apache.hadoop.hdfs.server.federation.store.driver with type arguments of type Query -
Uses of Query in org.apache.hadoop.hdfs.server.federation.store.driver.impl
Methods in org.apache.hadoop.hdfs.server.federation.store.driver.impl that return types with arguments of type QueryModifier and TypeMethodDescription<T extends BaseRecord>
Map<Query<T>,Integer> <T extends BaseRecord>
Map<Query<T>,Integer> Methods in org.apache.hadoop.hdfs.server.federation.store.driver.impl with parameters of type QueryModifier and TypeMethodDescription<T extends BaseRecord>
T<T extends BaseRecord>
List<T>StateStoreBaseImpl.getMultiple(Class<T> clazz, Query<T> query) <T extends BaseRecord>
int<T extends BaseRecord>
int<T extends BaseRecord>
intMethod parameters in org.apache.hadoop.hdfs.server.federation.store.driver.impl with type arguments of type Query