de.dfki.asr.compass.model.PrefabSet.java Source code

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Here is the source code for de.dfki.asr.compass.model.PrefabSet.java

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/*
 * This file is part of COMPASS. It is subject to the license terms in
 * the LICENSE file found in the top-level directory of this distribution.
 * (Also available at http://www.apache.org/licenses/LICENSE-2.0.txt)
 * You may not use this file except in compliance with the License.
 */
package de.dfki.asr.compass.model;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.wordnik.swagger.annotations.ApiModel;
import com.wordnik.swagger.annotations.ApiModelProperty;
import java.io.Serializable;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToMany;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Pattern;
import javax.validation.constraints.Size;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;
import org.eclipse.persistence.oxm.annotations.XmlInverseReference;

@Entity
@XmlRootElement
@XmlAccessorType(XmlAccessType.NONE)
@ApiModel //the mixins change the data references, so that only ids or lists of ids will be delivered
public class PrefabSet extends AbstractCompassEntity implements Hierarchy<PrefabSet>, Serializable {

    private static final long serialVersionUID = -4811249603735759220L;

    @Id
    @XmlTransient
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private long id;

    @NotNull(message = "Prefab Set must have a name.")
    @XmlElement
    @Column(length = 128)
    @Size(min = 1, max = 128, message = "Maximum Prefab Set name length is ${max} characters.")
    @Pattern(regexp = "^(?!\\s)[-\\w :.()]+(?<!\\s)$", message = "Prefab Set name can only contain letters, dashes, braces, colons and dots. No leading or trailing spaces.")
    @ApiModelProperty("Name")
    private String name;

    @JsonIgnore
    @ManyToOne
    @JoinColumn(name = "parent_id")
    @XmlInverseReference(mappedBy = "children")
    private PrefabSet parent;

    @XmlElement(name = "prefabSet")
    @XmlElementWrapper(name = "children")
    @OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL, mappedBy = "parent")
    @ApiModelProperty(value = "List containing the ids of child sets", dataType = "Array[long]")
    private final List<PrefabSet> children;

    @XmlElement(name = "node")
    @XmlElementWrapper(name = "prefabs")
    @ManyToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
    @ApiModelProperty(value = "List of ids of the prefabs in this set", dataType = "Array[long]")
    private final List<SceneNode> prefabs;

    public PrefabSet() {
        name = "";
        children = new CopyOnWriteArrayList<>();
        prefabs = new CopyOnWriteArrayList<>();
    }

    public PrefabSet(final String name) {
        this.name = name;
        this.children = new CopyOnWriteArrayList<>();
        this.prefabs = new CopyOnWriteArrayList<>();
    }

    @Override
    public long getId() {
        return id;
    }

    @Override
    public void setId(final long id) {
        this.id = id;
    }

    @Override
    public void forceEagerFetch() {
        for (PrefabSet p : children) {
            p.forceEagerFetch();
        }
        for (SceneNode n : prefabs) {
            n.forceEagerFetch();
        }
    }

    @Override
    public void clearIdsAfterDeepCopy() {
        setId(0);
        for (PrefabSet p : children) {
            p.clearIdsAfterDeepCopy();
        }
        for (SceneNode s : prefabs) {
            s.clearIdsAfterDeepCopy();
        }
    }

    public String getName() {
        return name;
    }

    public void setName(final String name) {
        this.name = name;
    }

    @Override
    public PrefabSet getParent() {
        return parent;
    }

    public void setParent(final PrefabSet newParent) {
        final PrefabSet oldParent = parent;
        if (oldParent != null) {
            if (oldParent.equals(newParent)) {
                return;
            }
            oldParent.removeChild(this);
        }
        if (newParent != null) {
            newParent.addChild(this);
        }
        parent = newParent;
    }

    private void addChild(final PrefabSet child) {
        if (!children.contains(child)) {
            children.add(child);
        }
    }

    private void removeChild(final PrefabSet child) {
        children.remove(child);
    }

    @Override
    public boolean isChildOf(final PrefabSet other) {
        List<PrefabSet> otherChildren = other.getChildren();
        if (otherChildren.contains(this)) {
            return true;
        }
        for (PrefabSet child : otherChildren) {
            if (isChildOf(child)) {
                return true;
            }
        }
        return false;
    }

    public List<PrefabSet> getChildren() {
        return Collections.unmodifiableList(children);
    }

    public List<SceneNode> getPrefabs() {
        return Collections.unmodifiableList(prefabs);
    }

    public void addPrefab(final SceneNode sceneNode) throws IllegalArgumentException {
        if (sceneNode == null) {
            throw new IllegalArgumentException("added null reference prefab ");
        }
        sceneNode.setParent(null);
        sceneNode.updateOrderingIndex();
        prefabs.add(sceneNode);
    }

    public void removePrefab(final SceneNode prefab) {
        prefabs.remove(prefab);
    }

    @Override
    public String toString() {
        return "PrefabSet [id=" + id + "]";
    }
}