Package org.marid.db.hsqldb

Class HsqldbDaqAbstractReader<T extends java.io.Serializable>

java.lang.Object

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

All Implemented Interfaces:

java.lang.AutoCloseable, DaqMXBean, DaqReader<T>

Direct Known Subclasses:

HsqldbDaqNumericReader, HsqldbDaqNumericWriter

public abstract class HsqldbDaqAbstractReader<T extends java.io.Serializable>
extends java.lang.Object
implements DaqReader<T>

Author:

Dmitry Ovchinnikov.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	HsqldbDaqAbstractReader(javax.sql.DataSource dataSource, java.lang.String table)

Method Summary

Modifier and Type	Method	Description
void	close()
DataRecord<T>	fetchRecord(long tag, long instant)
java.util.List<DataRecord<T>>	fetchRecords(long[] tags, long from, long to)
long	getRecordCount()
protected abstract java.lang.String	getSqlTypeName()
protected abstract T	getValue(java.sql.ResultSet resultSet, int index)
java.util.Map<java.lang.Long,java.lang.String>	hash(long from, long to, boolean includeData, java.lang.String algorithm)
protected abstract void	setValue(java.sql.PreparedStatement statement, int index, T value)
long	tagCount(long from, long to)
long[]	tags(long from, long 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(javax.sql.DataSource dataSource,
                                  java.lang.String table)

Method Detail

tags

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

Specified by:

tags in interface DaqReader<T extends java.io.Serializable>

tagCount

public long tagCount(long from,
                     long to)

Specified by:

tagCount in interface DaqReader<T extends java.io.Serializable>

fetchRecord

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

Specified by:

fetchRecord in interface DaqReader<T extends java.io.Serializable>

fetchRecords

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

Specified by:

fetchRecords in interface DaqReader<T extends java.io.Serializable>

hash

public java.util.Map<java.lang.Long,java.lang.String> hash(long from,
                                                           long to,
                                                           boolean includeData,
                                                           java.lang.String algorithm)

Specified by:

hash in interface DaqReader<T extends java.io.Serializable>

getRecordCount

public long getRecordCount()

Specified by:

getRecordCount in interface DaqMXBean

setValue

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

Throws:

java.sql.SQLException

getValue

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

Throws:

java.sql.SQLException

toByteArray

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

getSqlTypeName

protected abstract java.lang.String getSqlTypeName()

close

public void close()
           throws java.lang.Exception

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.lang.Exception