com.ebay.carad.os.vitalsigns.dataretrievers
Class QueryLogger

java.lang.Object
  com.ebay.carad.os.vitalsigns.dataretrievers.QueryLogger

All Implemented Interfaces:

IDataRetriever, ITemplatizable, java.lang.Cloneable

Direct Known Subclasses:

DifferenceQueryLogger

public class QueryLogger
extends java.lang.Object
implements IDataRetriever, ITemplatizable

Takes the output of a simple one-cell query (column name "data") from the production DB and logs it.

Version:

$Id$

Author:

Jeremy Kraybill, Jeremy Thomerson

Field Summary

private static java.lang.String	COLUMN_NAME
private static org.apache.log4j.Logger	LOGGER Class logger.
private java.lang.String	mQuery
private ISqlDAO	mSqlDAO
static java.lang.Float	ZERO

Fields inherited from interface com.ebay.carad.os.vitalsigns.IDataRetriever

NO_OP_DATA_RETRIEVER

Constructor Summary

QueryLogger()

Method Summary

java.lang.Object	clone()
java.lang.Float	getData()
java.lang.Float	getData(IDashboardAgent agent)
java.lang.String	getQuery()
ISqlDAO	getSqlDAO()
protected java.lang.Float	getValue()
void	setQuery(java.lang.String query) Sets the SQL query for this logger.
void	setSqlDAO(ISqlDAO sqlDAO)
void	templatize(java.lang.Object[] substitutions) This implementation treats the query set on this instance as a MessageFormat, and applies the substitutions to that format using MessageFormatUtil.

Methods inherited from class java.lang.Object

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

Field Detail

COLUMN_NAME

private static final java.lang.String COLUMN_NAME

See Also:

Constant Field Values

LOGGER

private static final org.apache.log4j.Logger LOGGER

Class logger.

ZERO

public static final java.lang.Float ZERO

mSqlDAO

private ISqlDAO mSqlDAO

mQuery

private java.lang.String mQuery

Constructor Detail

QueryLogger

public QueryLogger()

Method Detail

setQuery

public void setQuery(java.lang.String query)

Sets the SQL query for this logger. Must return the column "data", which is the column that will be logged.

Parameters:

query - the SQL query to set

getQuery

public java.lang.String getQuery()

Returns:

Returns the query.

getValue

protected java.lang.Float getValue()

getData

public java.lang.Float getData()

templatize

public void templatize(java.lang.Object[] substitutions)

This implementation treats the query set on this instance as a MessageFormat, and applies the substitutions to that format using MessageFormatUtil.

Specified by:

templatize in interface ITemplatizable

Parameters:

substitutions - an array of objects (usually strings) to use for templatization

See Also:

MessageFormat, MessageFormatUtil.format(String, Object[]), ITemplatizable.templatize(java.lang.Object[])

getData

public java.lang.Float getData(IDashboardAgent agent)

Specified by:

getData in interface IDataRetriever

getSqlDAO

public ISqlDAO getSqlDAO()

setSqlDAO

public void setSqlDAO(ISqlDAO sqlDAO)

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Specified by:

clone in interface IDataRetriever

Overrides:

clone in class java.lang.Object

Throws:

java.lang.CloneNotSupportedException