LayerGroupInfoImplHb.java

/*
 */

package org.geoserver.catalog.hibernate.beans;

import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;

import javax.persistence.PostLoad;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import org.geoserver.catalog.LayerInfo;
import org.geoserver.catalog.impl.*;

import org.geoserver.catalog.impl.LayerGroupInfoImpl;
import org.geoserver.catalog.impl.StyleInfoImpl;
import org.geoserver.hibernate.Hibernable;
import org.geotools.util.logging.Logging;

/**
 * 
 * @author ETj <etj at geo-solutions.it>
 */
public class LayerGroupInfoImplHb extends LayerGroupInfoImpl implements Hibernable {
    private final static Logger LOGGER = Logging.getLogger(LayerGroupInfoImplHb.class);

    /**
     *
     */
    private static final long serialVersionUID = 9062753202399238032L;

    private Integer version = null;

    private List<GroupedLayerHb> groupedLayers = new ArrayList<GroupedLayerHb>();

    public List<GroupedLayerHb> getGroupedLayers() {
        return groupedLayers;
    }

    protected void setGroupedLayers(List<GroupedLayerHb> groupedLayers) {
        this.groupedLayers = groupedLayers;
    }


    @PrePersist
    public void prepersist() {

        if(getLayers().size() != getStyles().size())
            throw new IllegalStateException("Layers and Styles sizes don't match.");

        LOGGER.info("LG " + getName() +  ": prepersisting " + getGroupedLayers().size() + " -> "+ getStyles().size() + " grouped layers");

        getGroupedLayers().clear();
        for (int i = 0; i < layers.size(); i++) {
            getGroupedLayers().add(new GroupedLayerHb((LayerInfoImplHb)layers.get(i),
                                                  (StyleInfoImpl)styles.get(i)));
        }
    }

//    @PreUpdate
    public void preupdate() {

        if(getLayers().size() != getStyles().size())
            throw new IllegalStateException("Layers and Styles sizes don't match.");

        LOGGER.info("LG " + getName() +  ": preupdating " + getGroupedLayers().size() + " -> "+ getStyles().size() + " grouped layers");

        getGroupedLayers().clear();
        for (int i = 0; i < layers.size(); i++) {
            getGroupedLayers().add(new GroupedLayerHb((LayerInfoImplHb)layers.get(i),
                                                  (StyleInfoImpl)styles.get(i)));
        }
    }

    @PostLoad
    public void postload() {
        LOGGER.info("LG " + getName() +  ": postloaded " + getStyles().size() + " -> "+ getGroupedLayers().size() +   " grouped layers");

        getLayers().clear();
        getStyles().clear();

        for (GroupedLayerHb groupedLayerHb : getGroupedLayers()) {
            getLayers().add(groupedLayerHb.getLayer());
            getStyles().add(groupedLayerHb.getStyle());
        }

    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder(getClass().getSimpleName())
                .append("[id:").append(getId())
                .append(" name:").append(getName())
                .append(" gl:").append(groupedLayers==null?-1:groupedLayers.size())
                .append(" arr:").append(layers==null?-1:layers.size())
                .append(" {");

        if(groupedLayers != null) {
            for (GroupedLayerHb groupedLayerHb : groupedLayers) {
                sb.append(groupedLayerHb.getId()).append(' ');
            }
        }

        sb.append("}]");

        return sb.toString();
    }

}