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package net.lacolaco.smileessence.entity;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import net.lacolaco.smileessence.util.ListUtils;
import twitter4j.*;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
public class DirectMessage extends EntitySupport {
// キャッシュ これも weak reference
private static Cache<Long, DirectMessage> storage = CacheBuilder.newBuilder().weakValues().build();
public synchronized static DirectMessage fetch(long statusId) {
return storage.getIfPresent(statusId);
}
public synchronized static void remove(long statusId) {
storage.invalidate(statusId);
}
public synchronized static DirectMessage fromTwitter(twitter4j.DirectMessage st) {
DirectMessage t = fetch(st.getId());
if (t == null) {
t = new DirectMessage(st);
storage.put(st.getId(), t);
} else {
t.update(st);
}
return t;
}
public synchronized static List<DirectMessage> fromTwitter(List<twitter4j.DirectMessage> sts) {
return ListUtils.map(sts, DirectMessage::fromTwitter);
}
// インスタンス
private long id;
private User sender;
private User recipient;
private String text;
private Date createdAt;
private DirectMessage(twitter4j.DirectMessage st) {
update(st);
}
private void update(twitter4j.DirectMessage message) {
id = message.getId();
sender = User.fromTwitter(message.getSender());
recipient = User.fromTwitter(message.getRecipient());
text = extractText(message, false);
createdAt = message.getCreatedAt();
updateEntities(message);
}
public long getId() {
return id;
}
public User getSender() {
return sender;
}
public User getRecipient() {
return recipient;
}
public String getText() {
return text;
}
public Date getCreatedAt() {
return createdAt;
}
public String getMessageSummary() {
return String.format("@%s: %s", getSender().getScreenName(), getText());
}
}
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