250 lines
7.3 KiB
Java
Executable File
250 lines
7.3 KiB
Java
Executable File
package envoy.server.data;
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import java.util.Date;
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import javax.persistence.Entity;
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import javax.persistence.Id;
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import javax.persistence.Inheritance;
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import javax.persistence.InheritanceType;
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import javax.persistence.JoinColumn;
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import javax.persistence.ManyToOne;
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import javax.persistence.NamedQuery;
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import javax.persistence.Table;
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import javax.persistence.Temporal;
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import javax.persistence.TemporalType;
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import envoy.data.MessageBuilder;
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/**
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* This class serves as a way to let Hibernate communicate with the server
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* without bringing the dependency of JPA/Hibernate into the client.<br>
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* It will be referenced as "database message" to clarify between the different
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* message objects.<br>
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* <br>
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* Project: <strong>envoy-server-standalone</strong><br>
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* File: <strong>Message.java</strong><br>
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* Created: <strong>02.01.2020</strong><br>
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*
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* @author Kai S. K. Engelbart
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* @since Envoy Server Standalone v0.1-alpha
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*/
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@Entity
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@Table(name = "messages")
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@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
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@NamedQuery(
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name = Message.getPending,
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query = "SELECT m FROM Message m WHERE (m.recipient = :user AND m.status = envoy.data.Message$MessageStatus.SENT) "
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+ "OR (m.sender = :user) AND ((m.status = envoy.data.Message$MessageStatus.RECEIVED) AND (m.receivedDate > :lastSeen)"
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+ "OR (m.status = envoy.data.Message$MessageStatus.READ) AND (m.readDate > :lastSeen))"
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)
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public class Message {
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/**
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* Named query retrieving pending messages for a user (parameter {@code :user})
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* which was last seen after a specific date (parameter {@code :lastSeen}).
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*
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* @since Envoy Server Standalone v0.1-beta
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*/
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public static final String getPending = "Message.getPending";
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@Id
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protected long id;
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@ManyToOne
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@JoinColumn
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protected User sender;
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@ManyToOne
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@JoinColumn
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protected Contact recipient;
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@Temporal(TemporalType.TIMESTAMP)
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protected Date creationDate;
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@Temporal(TemporalType.TIMESTAMP)
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protected Date receivedDate;
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@Temporal(TemporalType.TIMESTAMP)
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protected Date readDate;
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protected String text;
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protected envoy.data.Message.MessageStatus status;
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protected byte[] attachment;
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protected boolean forwarded;
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/**
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* The constructor for a database object.
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*
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public Message() {}
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/**
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* Constructs a database message from a common message.
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*
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* @param message the {@link envoy.data.Message} to convert into a database
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* {@link Message}
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public Message(envoy.data.Message message) {
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PersistenceManager persistenceManager = PersistenceManager.getInstance();
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id = message.getID();
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status = message.getStatus();
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text = message.getText();
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creationDate = message.getCreationDate();
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receivedDate = message.getReceivedDate();
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readDate = message.getReadDate();
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sender = persistenceManager.getUserByID(message.getSenderID());
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recipient = persistenceManager.getContactByID(message.getRecipientID());
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forwarded = message.isForwarded();
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// TODO: attachment = message.getAttachment().toByteArray();DOES NOT WORK YET
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}
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/**
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* Converts this message into an instance of {@link envoy.data.Message}.
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*
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* @return a {@link envoy.data.Message} containing the same values as this
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* message
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public envoy.data.Message toCommon() {
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// TODO: Attachment
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envoy.data.Message message = new MessageBuilder(sender.getID(), recipient.getID(), id).setText(text)
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.setDate(creationDate)
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.setStatus(status)
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.setForwarded(forwarded)
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// .setAttachment(attachment) TODO make this work
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.build();
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message.setReceivedDate(receivedDate);
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message.setReadDate(readDate);
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return message;
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}
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/**
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* @return the id of a {link envoy.data.Message}
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public long getID() { return id; }
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/**
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* @param id the id to set
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* @since Envoy Server Standalone v0.1-alpha
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* @see Message#getID()
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*/
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public void setId(long id) { this.id = id; }
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/**
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* @return the sender of a {link envoy.data.Message}
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public User getSender() { return sender; }
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/**
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* @param sender the sender to set
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* @since Envoy Server Standalone v0.1-alpha
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* @see Message#getSender()
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*/
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public void setSender(User sender) { this.sender = sender; }
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/**
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* @return the recipient of a {link envoy.data.Message}
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public Contact getRecipient() { return recipient; }
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/**
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* @param recipient the recipient to set
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* @since Envoy Server Standalone v0.1-alpha
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* @see Message#getRecipient()
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*/
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public void setRecipient(User recipient) { this.recipient = recipient; }
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/**
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* @return the date at which a {link envoy.data.Message} has been created
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public Date getCreationDate() { return creationDate; }
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/**
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* @param creationDate the creation date to set
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* @since Envoy Server Standalone v0.1-alpha
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* @see Message#getCreationDate()
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*/
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public void setCreationDate(Date creationDate) { this.creationDate = creationDate; }
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/**
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* @return the date at which a {link envoy.data.Message} has been received by
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* the server
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public Date getReceivedDate() { return receivedDate; }
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/**
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* @param receivedDate the received date to set
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* @since Envoy Server Standalone v0.1-alpha
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* @see Message#getReceivedDate()
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*/
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public void setReceivedDate(Date receivedDate) { this.receivedDate = receivedDate; }
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/**
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* @return the date at which a {link envoy.data.Message} has been read
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public Date getReadDate() { return readDate; }
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/**
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* @param readDate the read date to set
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* @since Envoy Server Standalone v0.1-alpha
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* @see Message#getReadDate()
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*/
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public void setReadDate(Date readDate) { this.readDate = readDate; }
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/**
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* @return the status of a {link envoy.data.Message}
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public envoy.data.Message.MessageStatus getStatus() { return status; }
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/**
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* @param status the new status of a {link envoy.data.Message}
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public void setStatus(envoy.data.Message.MessageStatus status) { this.status = status; }
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/**
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* @return the text content of a {link envoy.data.Message}
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public String getText() { return text; }
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/**
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* @param text the new text content of a {@link envoy.data.Message}
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public void setText(String text) { this.text = text; }
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/**
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* @return the attachment of a {@link envoy.data.Message}
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public byte[] getAttachment() { return attachment; }
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/**
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* @param attachment the new attachment
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public void setAttachment(byte[] attachment) { this.attachment = attachment; }
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/**
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* @return whether this message is a forwarded message
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public boolean isForwarded() { return forwarded; }
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/**
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* @param forwarded this message should be a forwarded message.
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public void setForwarded(boolean forwarded) { this.forwarded = forwarded; }
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}
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