com.opengamma.web.server.push.analytics.AnalyticsColumnGroups.java Source code

Introduction

Here is the source code for com.opengamma.web.server.push.analytics.AnalyticsColumnGroups.java

Source

/**
 * Copyright (C) 2012 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.web.server.push.analytics;

import java.util.Collections;
import java.util.List;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.opengamma.util.ArgumentChecker;

public class AnalyticsColumnGroups {

    private final List<AnalyticsColumn> _columns = Lists.newArrayList();
    private final List<AnalyticsColumnGroup> _columnGroups;

    /* package */ AnalyticsColumnGroups(List<AnalyticsColumnGroup> columnGroups) {
        ArgumentChecker.notNull(columnGroups, "columnGroups");
        ArgumentChecker.notNull(columnGroups, "columnGroups");
        for (AnalyticsColumnGroup group : columnGroups) {
            _columns.addAll(group.getColumns());
        }
        _columnGroups = ImmutableList.copyOf(columnGroups);
    }

    /* package */
    static AnalyticsColumnGroups empty() {
        return new AnalyticsColumnGroups(Collections.<AnalyticsColumnGroup>emptyList());
    }

    /* package */ int getColumnCount() {
        return _columns.size();
    }

    public AnalyticsColumn getColumn(int index) {
        return _columns.get(index);
    }

    public List<AnalyticsColumnGroup> getGroups() {
        return _columnGroups;
    }
}