org.marketcetera.orderloader.system
Class InstrumentFromRow

java.lang.Object
  org.marketcetera.core.instruments.DynamicInstrumentHandler<Row>
      org.marketcetera.orderloader.system.InstrumentFromRow

Direct Known Subclasses:

EquityFromRow, OptionFromRow

public abstract class InstrumentFromRow
extends DynamicInstrumentHandler<Row>

Abstracts out creation of an instrument from a row of fields.

Since:

2.0.0

Version:

$Id: InstrumentFromRow.java 16154 2012-07-14 16:34:05Z colin $

Author:

anshul@marketcetera.com

Field Summary

static String	FIELD_SECURITY_TYPE The Security Type field header name.
static String	FIELD_SYMBOL The Symbol field header name.

Constructor Summary

InstrumentFromRow()

Method Summary

protected abstract boolean	canProcess(String inHeader, int inIndex) Returns true if this handler can handle the field corresponding to the supplied header.
protected abstract Instrument	extract(Row inRow) Extracts the instrument value from the supplied row.
protected SecurityType	getSecurityType(String[] inRow) Returns the security type value from the supplied row, if available.
protected String	getSymbol(String[] inRow) Returns the symbol value for the supplied row.

Methods inherited from class org.marketcetera.core.instruments.DynamicInstrumentHandler

isHandled

Methods inherited from class java.lang.Object

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

Field Detail

FIELD_SYMBOL

public static final String FIELD_SYMBOL

The Symbol field header name.

See Also:

Constant Field Values

FIELD_SECURITY_TYPE

public static final String FIELD_SECURITY_TYPE

The Security Type field header name.

See Also:

Constant Field Values

Constructor Detail

InstrumentFromRow

public InstrumentFromRow()

Method Detail

canProcess

protected abstract boolean canProcess(String inHeader,
                                      int inIndex)

Returns true if this handler can handle the field corresponding to the supplied header.

Subclasses override this method to setup any state needed to handle the headers that they care about.

Parameters:

inHeader - the header value.

inIndex - the header index.

Returns:

if the handler can process the field, false otherwise.

getSymbol

protected final String getSymbol(String[] inRow)

Returns the symbol value for the supplied row.

Parameters:

inRow - the row

Returns:

the symbol value.

getSecurityType

protected final SecurityType getSecurityType(String[] inRow)
                                      throws OrderParsingException

Returns the security type value from the supplied row, if available.

Parameters:

inRow - the row

Returns:

the security type value.

Throws:

OrderParsingException - if there were errors parsing the security type value.

extract

protected abstract Instrument extract(Row inRow)
                               throws OrderParsingException

Extracts the instrument value from the supplied row.

Parameters:

inRow - the row

Returns:

the extracted Instrument value.

Throws:

OrderParsingException - if there were errors extracting the instrument value.