org.marid.db.hsqldb

Class HsqldbDaqAbstractReader<T extends Serializable>

java.lang.Object

org.marid.db.hsqldb.HsqldbDaqAbstractReader<T>

All Implemented Interfaces:

AutoCloseable, DaqMXBean, DaqReader<T>

Direct Known Subclasses:

HsqldbDaqNumericReader, HsqldbDaqNumericWriter

public abstract class HsqldbDaqAbstractReader<T extends Serializable>
extends Object
implements DaqReader<T>

Author:

Dmitry Ovchinnikov.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	HsqldbDaqAbstractReader(DataSource dataSource, String table)

Method Summary

Modifier and Type	Method and Description
void	close()
DataRecord<T>	fetchRecord(long tag, Instant instant)
List<DataRecord<T>>	fetchRecords(long[] tags, Instant from, Instant to)
long	getRecordCount()
protected abstract String	getSqlTypeName()
protected abstract T	getValue(ResultSet resultSet, int index)
Map<Long,String>	hash(Instant from, Instant to, boolean includeData, String algorithm)
protected abstract void	setValue(PreparedStatement statement, int index, T value)
long	tagCount(Instant from, Instant to)
long[]	tags(Instant from, Instant to)
protected abstract byte[]	toByteArray(T value)

Methods inherited from class java.lang.Object

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

Constructor Detail

HsqldbDaqAbstractReader

protected HsqldbDaqAbstractReader(DataSource dataSource,
                                  String table)

Method Detail

tags

public long[] tags(Instant from,
                   Instant to)

Specified by:

tags in interface DaqReader<T extends Serializable>

tagCount

public long tagCount(Instant from,
                     Instant to)

Specified by:

tagCount in interface DaqReader<T extends Serializable>

fetchRecord

public DataRecord<T> fetchRecord(long tag,
                                 Instant instant)

Specified by:

fetchRecord in interface DaqReader<T extends Serializable>

fetchRecords

public List<DataRecord<T>> fetchRecords(long[] tags,
                                        Instant from,
                                        Instant to)

Specified by:

fetchRecords in interface DaqReader<T extends Serializable>

hash

public Map<Long,String> hash(Instant from,
                             Instant to,
                             boolean includeData,
                             String algorithm)

Specified by:

hash in interface DaqReader<T extends Serializable>

getRecordCount

public long getRecordCount()

Specified by:

getRecordCount in interface DaqMXBean

setValue

protected abstract void setValue(PreparedStatement statement,
                                 int index,
                                 T value)
                          throws SQLException

Throws:

SQLException

getValue

protected abstract T getValue(ResultSet resultSet,
                              int index)
                       throws SQLException

Throws:

SQLException

toByteArray

protected abstract byte[] toByteArray(@Nonnull
                                      T value)

getSqlTypeName

protected abstract String getSqlTypeName()

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception