QuoteTable.java

package com.activequant.trading.datamodel;

import java.util.List;

import com.activequant.trading.AbstractTSBase;

@SuppressWarnings("serial")
public class QuoteTable extends AQTableDataBaseAlpha {

	public enum Columns {
		INSTRUMENTID(0), BIDSIZE(1), BID(2), ASK(3), ASKSIZE(4), TRADE(5), TRADESIZE(
				6);
		//
		int colIdx;

		private Columns(int pos) {
			this.colIdx = pos;
		}

		public int colIdx() {
			return colIdx;
		}
	}

	private Object[][] data = new Object[0][];

	private String[] header;

	public QuoteTable() {
		super();
		header = new String[Columns.values().length];
		for (int i = 0; i < header.length; i++) {
			header[i] = Columns.values()[i].name();
		}
	}

	public QuoteTable(AbstractTSBase abstractTSBase) {
		super(abstractTSBase);
		header = new String[Columns.values().length];
		for (int i = 0; i < header.length; i++) {
			header[i] = Columns.values()[i].name();
		}
	}

	public void deleteInstrument(String instrumentId) {
		if (containsInstrumentId(instrumentId)) {
			int pos = getPosition(instrumentId);
			//
			List<Object[]> l = c(data);
			l.remove(pos);
			data = c(l);
		}
	}

	@Override
	public Object getValueAt(int row, int col) {
		Object o = getCell(row, col);
		if (o == null)
			return "";
		if (o.getClass().isAssignableFrom(Double.class)) {
			// adding a formatter.
			Double val = (Double) o;
			return dcf.format(val);
		}
		return o;
	}

	public boolean containsInstrumentId(String instId) {
		for (Object[] row : data) {
			if (row[Columns.INSTRUMENTID.colIdx].equals(instId))
				return true;
		}
		return false;
	}

	/**
	 * delegates to get Position
	 * 
	 * @param instrumentId
	 * @return
	 */
	public int getRowIndex(String instrumentId) {
		int pos = -1;
		for (Object[] row : data) {
			pos++;
			if (row[Columns.INSTRUMENTID.colIdx].equals(instrumentId))
				return pos;
		}
		throw new RuntimeException(
				"Instrument ID not present in current system configuration. Cannot continue. ");
	}

	/**
	 * deprecated, users please use getRowIndex in the future ..
	 * 
	 * @param instId
	 * @return
	 */
	@Deprecated
	public int getPosition(String instId) {
		return getRowIndex(instId);
	}

	public void addInstrument(String instrumentId) {
		// convert data to list.
		List<Object[]> l = c(data);
		Object[] row = new Object[header.length];
		row[Columns.INSTRUMENTID.colIdx] = instrumentId;
		l.add(row);
		data = c(l);
	}

	@Override
	public Object[][] getData() {
		return data;
	}

	@Override
	public String[] getHeader() {
		return header;
	}

	@Override
	public void signalUpdate() {
		super.signalUpdate();
		if (getAbstractTSBase().getQuoteViz() == null) {
			return;
		}
		getAbstractTSBase().getQuoteViz().changeSelection(getRowSelected(),
				getColSelected(), false, false);
	}
}