Red Hat Web Application Framework 6.1 Manuel d'utilisateur télécharger pdf (Page 68)

54 Chapter 8. WAF Application Development Tutorial

package com.example.binder;

import com.arsdigita.db.Sequences;

import com.arsdigita.domain.DomainObject;

import com.arsdigita.persistence.DataObject;

import com.arsdigita.util.Assert;

import com.arsdigita.util.UncheckedWrapperException;

import java.io.IOException;

import java.io.Writer;

import java.sql.SQLException;

import java.math.BigInteger;

import org.apache.log4j.Logger;

/**

* A bit of text with a title.

* @see com.example.binder.Note

* @author Justin Ross

public class Note extends DomainObject {

private static final Logger s_log = Logger.getLogger(Note.class);

public static final String BASE_DATA_OBJECT_TYPE =

"com.example.binder.Note";

static final String ID = "id";

static final String TITLE = "title";

static final String BODY = "body";

protected String getBaseDataObjectType() {

return BASE_DATA_OBJECT_TYPE;

}

protected Note(final DataObject data) {

super(data);

if (isNew()) {

try {

set(ID, Sequences.getNextValue().toBigInteger());

} catch (SQLException sqle) {

throw new UncheckedWrapperException(sqle);

}

/**

* Gets the note’s unique ID.

* @return The <code>BigInteger</code> ID; it cannot be null

public final BigInteger getID() {

return (BigInteger) get(ID);

}

/**

* Gets the title of the note.

* @return The <code>String</code> title; it cannot be null

public final String getTitle() {

return (String) get(TITLE);

}

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Red Hat Web Application Framework 6.1 Manuel d'utilisateur Page 68

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