com.mysql.cj.xdevapi

Class AbstractDataResult<T>

java.lang.Object

com.mysql.cj.xdevapi.AbstractDataResult<T>

Type Parameters:

T - Result entry type

All Implemented Interfaces:

ResultStreamer, QueryResult, Result, java.util.Iterator<T>

Direct Known Subclasses:

DocResultImpl, RowResultImpl

public abstract class AbstractDataResult<T>
extends java.lang.Object
implements ResultStreamer, java.util.Iterator<T>, Result

Base class for data set results.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.List<T>	all List of all elements.
protected java.util.function.Supplier<ProtocolEntity>	completer
protected int	count
protected StatementExecuteOk	ok
protected int	position
protected RowList	rows
protected ProtocolEntityFactory<T,XMessage>	rowToData

Constructor Summary

Constructors

Constructor and Description
AbstractDataResult(RowList rows, java.util.function.Supplier<ProtocolEntity> completer, ProtocolEntityFactory<T,XMessage> rowToData) Constructor.

Method Summary

Modifier and Type	Method and Description
long	count() Return the number of items in this result.
java.util.List<T>	fetchAll() Create a list of all elements in the result forcing internal buffering.
void	finishStreaming() Finish the result streaming.
long	getAffectedItemsCount() Get the count of affected items from manipulation statements.
StatementExecuteOk	getStatementExecuteOk() Get StatementExecuteOk object finalizing the result transfer.
java.util.Iterator<Warning>	getWarnings() Get warnings generated during statement execution.
int	getWarningsCount() Get the number of warnings generated during statement execution.
boolean	hasNext()
T	next()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Field Detail

position

protected int position

count

protected int count

rows

protected RowList rows

completer

protected java.util.function.Supplier<ProtocolEntity> completer

ok

protected StatementExecuteOk ok

rowToData

protected ProtocolEntityFactory<T,XMessage> rowToData

all

protected java.util.List<T> all

List of all elements. null until requested via fetchAll().

Constructor Detail

AbstractDataResult

public AbstractDataResult(RowList rows,
                          java.util.function.Supplier<ProtocolEntity> completer,
                          ProtocolEntityFactory<T,XMessage> rowToData)

Constructor.

Parameters:

rows - RowList object

completer - Supplier for StatementExecuteOk object

rowToData - ProtocolEntityFactory

Method Detail

next

public T next()

Specified by:

next in interface java.util.Iterator<T>

fetchAll

public java.util.List<T> fetchAll()

Create a list of all elements in the result forcing internal buffering.

Returns:

list of result elements

count

public long count()

Return the number of items in this result. Forces internal buffering of the entire result.

Returns:

number of elements in result

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<T>

getStatementExecuteOk

public StatementExecuteOk getStatementExecuteOk()

Get StatementExecuteOk object finalizing the result transfer. Forces internal buffering of the entire result.

Returns:

StatementExecuteOk object

finishStreaming

public void finishStreaming()

Description copied from interface: ResultStreamer

Finish the result streaming. This happens if a new command is started or the warnings/etc are requested. This is safe to call multiple times and only has an effect the first time.

Specified by:

finishStreaming in interface ResultStreamer

getAffectedItemsCount

public long getAffectedItemsCount()

Description copied from interface: Result

Get the count of affected items from manipulation statements. This method forces internal buffering of the result.

Specified by:

getAffectedItemsCount in interface Result

Returns:

count

getWarningsCount

public int getWarningsCount()

Description copied from interface: Result

Get the number of warnings generated during statement execution. This method forces internal buffering of the result.

Specified by:

getWarningsCount in interface Result

Returns:

number of warnings

getWarnings

public java.util.Iterator<Warning> getWarnings()

Description copied from interface: Result

Get warnings generated during statement execution. This method forces internal buffering of the result.

Specified by:

getWarnings in interface Result

Returns:

iterator over warnings