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package org.drools.task;

import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Date;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.ManyToOne;

@Entity
public class Attachment implements Externalizable {
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private long   id;

    /**
     * Several attachments may have the same name
     */
    private String name;

    /**
     * current "inline" and "URL" are allowed, this is extendable though and others may be added
     */
    private AccessType accessType;

    /**
     * MIME type
     */
    private String contentType;

    @ManyToOne()
    private User   attachedBy;
    
    private Date   attachedAt;    

    private int    size;    
    
    private long   attachmentContentId;
    
    public void writeExternal(ObjectOutput out) throws IOException {
        out.writeLong( id );
        out.writeUTF( name );
        out.writeUTF( accessType.toString() );
        out.writeUTF( contentType );
        attachedBy.writeExternal( out );
        out.writeLong( attachedAt.getTime() );
        out.writeInt( size );
        out.writeLong( attachmentContentId );
    }
    
    public void readExternal(ObjectInput in) throws IOException,
                                            ClassNotFoundException {
        id = in.readLong();
        name = in.readUTF();
        accessType = AccessType.valueOf( in.readUTF() );
        contentType = in.readUTF();
        attachedBy = new User();
        attachedBy.readExternal( in );        
        attachedAt = new Date( in.readLong() );
        size = in.readInt( );
        attachmentContentId = in.readLong();
    }

    public Long getId() {
        return id;
    }

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

    public String getName() {
        return name;
    }

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

    public AccessType getAccessType() {
        return accessType;
    }

    public void setAccessType(AccessType accessType) {
        this.accessType = accessType;
    }

    public String getContentType() {
        return contentType;
    }

    public void setContentType(String contentType) {
        this.contentType = contentType;
    }

    public Date getAttachedAt() {
        return attachedAt;
    }

    public void setAttachedAt(Date attachedAt) {
        this.attachedAt = attachedAt;
    }

    public User getAttachedBy() {
        return attachedBy;
    }

    public void setAttachedBy(User attachedBy) {
        this.attachedBy = attachedBy;
    }    
    
    public int getSize() {
        return size;
    }

    public void setSize(int size) {
        this.size = size;
    }
        
    public long getAttachmentContentId() {
        return attachmentContentId;
    }

    public void setAttachmentContentId(long contentId) {
        this.attachmentContentId = contentId;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((accessType == null) ? 0 : accessType.hashCode());
        result = prime * result + ((attachedAt == null) ? 0 : attachedAt.hashCode());
        result = prime * result + ((attachedBy == null) ? 0 : attachedBy.hashCode());
        result = prime * result + size;
        result = prime * result + (int) (attachmentContentId ^ (attachmentContentId >>> 32));
        result = prime * result + ((contentType == null) ? 0 : contentType.hashCode());
        result = prime * result + ((name == null) ? 0 : name.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if ( this == obj ) return true;
        if ( obj == null ) return false;
        if ( !(obj instanceof Attachment) ) return false;
        Attachment other = (Attachment) obj;
        if ( accessType == null ) {
            if ( other.accessType != null ) return false;
        } else if ( !accessType.equals( other.accessType ) ) return false;
        if ( attachedAt == null ) {
            if ( other.attachedAt != null ) return false;            
        } else if ( attachedAt.getTime() != other.attachedAt.getTime() ) return false;
        if ( attachedBy == null ) {
            if ( other.attachedBy != null ) return false;
        } else if ( !attachedBy.equals( other.attachedBy ) ) return false;
        if ( size != other.size ) return false;
        if ( attachmentContentId != other.attachmentContentId ) return false;
        if ( contentType == null ) {
            if ( other.contentType != null ) return false;
        } else if ( !contentType.equals( other.contentType ) ) return false;
        if ( name == null ) {
            if ( other.name != null ) return false;
        } else if ( !name.equals( other.name ) ) return false;
        return true;
    }


 
 
    
    

}