Package org.apache.openjpa.jdbc.kernel

Interface JDBCFetchConfiguration

    • Method Detail

      • getEagerFetchMode

        int getEagerFetchMode()
        Return the eager fetch mode. Defaults to the openjpa.jdbc.EagerFetchMode setting.

      • setEagerFetchMode

        JDBCFetchConfiguration setEagerFetchMode​(int mode)
        Set the eager fetch mode. Defaults to the openjpa.jdbc.EagerFetchMode setting.

      • getSubclassFetchMode

        int getSubclassFetchMode()
        Return the subclass fetch mode. Defaults to the openjpa.jdbc.SubclassFetchMode setting.

      • getSubclassFetchMode

        int getSubclassFetchMode​(ClassMapping cls)
        Return the effective subclass fetch mode for the given type.

      • setSubclassFetchMode

        JDBCFetchConfiguration setSubclassFetchMode​(int mode)
        Set the subclass fetch mode. Defaults to the openjpa.jdbc.SubclassFetchMode setting.

      • getResultSetType

        int getResultSetType()
        The result set type to use as a constant from ResultSet. Defaults to the openjpa.jdbc.ResultSetType setting.

      • setResultSetType

        JDBCFetchConfiguration setResultSetType​(int type)
        The result set type to use as a constant from ResultSet. Defaults to the openjpa.jdbc.ResultSetType setting.

      • getFetchDirection

        int getFetchDirection()
        The fetch direction to use as a constant from ResultSet. Defaults to the openjpa.jdbc.FetchDirection setting.

      • setFetchDirection

        JDBCFetchConfiguration setFetchDirection​(int direction)
        The fetch direction to use as a constant from ResultSet. Defaults to the openjpa.jdbc.FetchDirection setting.

      • getLRSSize

        int getLRSSize()
        The large result set size mode to use. Defaults to the openjpa.jdbc.LRSSize setting.

      • setLRSSize

        JDBCFetchConfiguration setLRSSize​(int lrsSize)
        The large result set size mode to use. Defaults to the openjpa.jdbc.LRSSize setting.

      • getJoinSyntax

        int getJoinSyntax()
        The join syntax to use.

      • getJoins

        java.util.Set<java.lang.String> getJoins()
        Returns the names of the joins that this component will use when loading objects. Defaults to the empty set. This set is not thread safe.
        Since:
        0.4.0.0

      • hasJoin

        boolean hasJoin​(java.lang.String field)
        Return true if the given fully-qualified join has been added.
        Since:
        0.4.0.0

      • addJoin

        JDBCFetchConfiguration addJoin​(java.lang.String field)
        Adds field to the set of fully-qualified field names to eagerly join when loading objects. Each class can have at most one to-many eagerly joined fields.
        Since:
        0.4.0.0

      • addJoins

        JDBCFetchConfiguration addJoins​(java.util.Collection<java.lang.String> fields)
        Adds fields to the set of fully-qualified field names to eagerly join when loading objects. Each class can have at most one to-many eagerly joined fields.
        Since:
        0.4.0.0

      • removeJoin

        JDBCFetchConfiguration removeJoin​(java.lang.String field)
        Removes field to the set of fully-qualified field names to eagerly join when loading objects.
        Since:
        0.4.0.0

      • removeJoins

        JDBCFetchConfiguration removeJoins​(java.util.Collection<java.lang.String> fields)
        Removes fields from the set of fully-qualified field names to eagerly join when loading objects.
        Since:
        0.4.0.0

      • clearJoins

        JDBCFetchConfiguration clearJoins()
        Clears the set of field names to join when loading data.
        Since:
        0.4.0.0

      • getIsolation

        int getIsolation()

        The isolation level for queries issued to the database. This overrides the persistence-unit-wide openjpa.jdbc.TransactionIsolation value.

        Must be one of Connection.TRANSACTION_NONE, Connection.TRANSACTION_READ_UNCOMMITTED, Connection.TRANSACTION_READ_COMMITTED, Connection.TRANSACTION_REPEATABLE_READ, Connection.TRANSACTION_SERIALIZABLE, or -1 for the default connection level specified by the context in which this fetch configuration is being used.

        Since:
        0.9.7

      • setIsolation

        JDBCFetchConfiguration setIsolation​(int level)

        The isolation level for queries issued to the database. This overrides the persistence-unit-wide openjpa.jdbc.TransactionIsolation value.

        Must be one of Connection.TRANSACTION_NONE, Connection.TRANSACTION_READ_UNCOMMITTED, Connection.TRANSACTION_READ_COMMITTED, Connection.TRANSACTION_REPEATABLE_READ, Connection.TRANSACTION_SERIALIZABLE, or -1 for the default connection level specified by the context in which this fetch configuration is being used.

        Since:
        0.9.7

      • getFetchInnerJoins

        java.util.Set<java.lang.String> getFetchInnerJoins()
        Returns the names of the inner fetch joins that this component will use when loading objects. Defaults to the empty set. This set is not thread safe.
        Since:
        1.0.3

      • hasFetchInnerJoin

        boolean hasFetchInnerJoin​(java.lang.String field)
        Return true if the given fully-qualified inner fetch join has been added.
        Since:
        1.0.3

      • addFetchInnerJoin

        JDBCFetchConfiguration addFetchInnerJoin​(java.lang.String field)
        Adds field to the set of fully-qualified field names to eagerly join when loading objects. Each class can have at most one to-many eagerly joined fields.
        Since:
        1.0.3

      • addFetchInnerJoins

        JDBCFetchConfiguration addFetchInnerJoins​(java.util.Collection<java.lang.String> fields)
        Adds fields to the set of fully-qualified field names to eagerly join when loading objects. Each class can have at most one to-many eagerly joined fields.
        Since:
        1.0.3

      • getIgnoreDfgForFkSelect

        boolean getIgnoreDfgForFkSelect()
        Affirms if foreign key for a relation field will be pre-fetched as part of the owning object irrespective of whether the field is included in the default fetch group of this fetch configuration.
        By default, foreign key for a relation field is pre-fetched as part of the owning object only if the field in included in the default fetch group of this fetch configuration.
        Since:
        2.2.0

      • setIgnoreDfgForFkSelect

        void setIgnoreDfgForFkSelect​(boolean b)
        Affirms if foreign key for a relation field will be pre-fetched as part of the owning object irrespective of whether the field is included in the default fetch group of this fetch configuration.
        By default, foreign key for a relation field is pre-fetched as part of the owning object only if the field in included in the default fetch group of this fetch configuration.
        Since:
        2.2.0