com.opengamma.language.livedata.LiveDataProviderBean.java Source code

Introduction

Here is the source code for com.opengamma.language.livedata.LiveDataProviderBean.java

Source

/**
 * Copyright (C) 2011 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */

package com.opengamma.language.livedata;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;

import org.springframework.beans.factory.InitializingBean;

import com.opengamma.util.ArgumentChecker;

/**
 * Produce a {@link LiveDataProvider} from a set of {@link PublishedLiveData} objects.
 */
public class LiveDataProviderBean extends AbstractLiveDataProvider implements InitializingBean {

    private Collection<PublishedLiveData> _liveData;

    public LiveDataProviderBean(final Collection<PublishedLiveData> liveData) {
        setLiveData(liveData);
    }

    public LiveDataProviderBean(final PublishedLiveData... liveData) {
        setLiveData(Arrays.asList(liveData));
    }

    public LiveDataProviderBean() {
    }

    public void setLiveData(final Collection<PublishedLiveData> liveData) {
        ArgumentChecker.notNull(liveData, "liveData");
        _liveData = new ArrayList<PublishedLiveData>(liveData);
    }

    private Collection<PublishedLiveData> getLiveDataInternal() {
        return _liveData;
    }

    public Collection<PublishedLiveData> getLiveData() {
        return Collections.unmodifiableCollection(getLiveDataInternal());
    }

    // InitializingBean

    @Override
    public void afterPropertiesSet() throws Exception {
        ArgumentChecker.notNull(getLiveDataInternal(), "liveData");
    }

    // AbstractLiveDataProvider

    @Override
    protected void loadDefinitions(final Collection<MetaLiveData> definitions) {
        for (PublishedLiveData liveData : getLiveDataInternal()) {
            definitions.add(liveData.getMetaLiveData());
        }
    }

}