[#3840] Cleanup and documentation
This commit is contained in:
lukaseder
parent
ba99612ba0
commit
bd3ca03e6b
@ -12,13 +12,6 @@
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</attributes>
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</classpathentry>
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<classpathentry kind="src" path="src/main/webapp"/>
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<classpathentry kind="src" output="target/test-classes" path="src/test/java">
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<attributes>
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<attribute name="optional" value="true"/>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="src" path="src/test/resources"/>
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<classpathentry kind="src" path="target/generated-sources/jooq-h2"/>
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<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
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<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
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@ -2,5 +2,4 @@ eclipse.preferences.version=1
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encoding//src/main/java=UTF-8
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encoding//src/main/resources=UTF-8
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encoding//src/main/webapp/library.xhtml=UTF-8
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encoding//src/test/java=UTF-8
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encoding/<project>=UTF-8
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@ -14,3 +14,14 @@ $ cd jOOQ-examples/jOOQ-javaee-example
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...
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$ mvn clean install
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```
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After the above, you should find a `jooq-javaee-example.war` file in
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```
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$ pwd
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/path/to/checkout/dir
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$ cd jOOQ-examples/jOOQ-javaee-example/target
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...
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```
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You can deploy this war file in your WildFly AS or any other application server. The example will use an embedded H2 database, which should be pre-filled with the library example H2 database. It uses a non-managed `DataSource`, which is configured and consumed directly by the application itself.
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@ -72,11 +72,6 @@
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<artifactId>jooq</artifactId>
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<version>${org.jooq.version}</version>
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</dependency>
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<dependency>
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<groupId>commons-dbcp</groupId>
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<artifactId>commons-dbcp</artifactId>
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<version>1.4</version>
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</dependency>
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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@ -62,36 +62,74 @@ import org.jooq.SortField;
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import org.jooq.Table;
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import org.jooq.TableField;
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import org.jooq.UpdatableRecord;
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import org.jooq.example.db.h2.tables.Author;
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import org.jooq.example.db.h2.tables.records.AuthorRecord;
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import org.jooq.example.db.h2.tables.records.BookRecord;
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import org.jooq.example.javaee.ejb.AuthorsEJB;
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import org.jooq.example.javaee.ejb.LibraryEJB;
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import org.jooq.impl.DSL;
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/**
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* A bean to be used from JSF pages.
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* <p>
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* The bean is session scoped such that we can have session-based caches of
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* database content such as authors or books in this bean. In this simple
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* example, we haven't gone into concurrency situations where multiple sessions
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* update the library database at the same time, in case of which we might need
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* to turn on optimistic locking in jOOQ.
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*
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* @author Lukas Eder
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*/
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@Named("authors")
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@Named("library")
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@SessionScoped
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public class Authors implements Serializable {
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public class Library implements Serializable {
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private static final long serialVersionUID = 1L;
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@EJB
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private AuthorsEJB ejb;
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private LibraryEJB ejb;
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// Caches from the DB
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// Various caches from the DB
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// -------------------------------------------------------------------------
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/**
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* An empty {@link AuthorRecord} that can be used to insert new authors.
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*/
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private AuthorRecord newAuthor;
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/**
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* An empty {@link BookRecord} that can be used to insert new books.
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*/
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private BookRecord newBook;
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/**
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* The reference to the {@link Record} that is currently being edited.
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*/
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private Record edit;
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/**
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* The sort field for each {@link Table}.
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*/
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private Map<Table<?>, SortField<?>> sort = Stream.of(AUTHOR.ID, BOOK.ID).collect(
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toMap(f -> f.getTable(), f -> f.asc()));
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/**
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* A cache of all {@link AuthorRecord}s currently in the database.
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*/
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private Result<AuthorRecord> authors;
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/**
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* A copy of {@link #authors} that is always sorted alphanumerically.
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*/
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private Result<AuthorRecord> authorsAlphanumeric;
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/**
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* A cache of all {@link BookRecord}s currently in the database.
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*/
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private Result<BookRecord> books;
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// Data access methods
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// -------------------------------------------------------------------------
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public Result<AuthorRecord> getAuthors() {
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if (authors == null)
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authors = ejb.fetchAuthors(sort.get(AUTHOR));
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@ -113,10 +151,6 @@ public class Authors implements Serializable {
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return getAuthors().intoMap(AUTHOR.ID);
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}
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public Map<String, Field<?>> getAuthorColumns() {
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return getColumns(AUTHOR);
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}
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public Result<BookRecord> getBooks() {
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if (books == null)
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books = ejb.fetchBooks(sort.get(BOOK));
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@ -124,36 +158,70 @@ public class Authors implements Serializable {
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return books;
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}
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public Map<String, Field<?>> getBookColumns() {
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return getColumns(BOOK);
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}
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private Map<String, Field<?>> getColumns(Table<?> t) {
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return Stream.of(t.fields()).collect(toMap(f -> f.getName(), f -> f));
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}
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public Record getEdit() {
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return edit;
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}
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public Map<String, SortField<?>> getSort() {
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return sort.entrySet().stream().collect(toMap(e -> e.getKey().getName(), e -> e.getValue()));
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}
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public AuthorRecord getNewAuthor() {
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if (newAuthor == null)
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newAuthor = ejb.newAuthor();
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newAuthor = DSL.using(H2).newRecord(AUTHOR);
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return newAuthor;
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}
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public BookRecord getNewBook() {
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if (newBook == null)
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newBook = ejb.newBook();
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newBook = DSL.using(H2).newRecord(BOOK);
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return newBook;
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}
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// UI state methods
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// -------------------------------------------------------------------------
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/**
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* The record being edited.
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*/
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public Record getEdit() {
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return edit;
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}
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/**
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* A map containing <code>column name -> column</code> pairs of the
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* {@link Author} table.
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*/
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public Map<String, Field<?>> getAuthorColumns() {
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return getColumns(AUTHOR);
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}
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/**
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* A map containing <code>column name -> column</code> pairs of the
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* {@link Author} table.
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*/
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public Map<String, Field<?>> getBookColumns() {
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return getColumns(BOOK);
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}
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/**
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* Get a map containing <code>table name -> sort field</code> pairs.
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*/
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public Map<String, SortField<?>> getSort() {
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return sort.entrySet().stream().collect(toMap(e -> e.getKey().getName(), e -> e.getValue()));
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}
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private Map<String, Field<?>> getColumns(Table<?> t) {
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return Stream.of(t.fields()).collect(toMap(f -> f.getName(), f -> f));
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}
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private void reset() {
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authors = null;
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authorsAlphanumeric = null;
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books = null;
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edit = null;
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}
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// Actions
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// -------------------------------------------------------------------------
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/**
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* Sort a table by a new field.
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*/
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public void sort(TableField<?, ?> field) {
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SortField<?> previous = sort.get(field.getTable());
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sort.put(field.getTable(),
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@ -167,26 +235,26 @@ public class Authors implements Serializable {
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reset();
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}
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/**
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* Mark a record as the one being currently edited.
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*/
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public void edit(UpdatableRecord<?> record) {
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edit = record;
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}
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/**
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* Save a record back to the database.
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*/
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public void save(UpdatableRecord<?> author) {
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ejb.store(author);
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reset();
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}
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/**
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* Delete a record from the database.
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*/
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public void delete(UpdatableRecord<?> author) {
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ejb.delete(author);
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reset();
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}
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private void reset() {
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authors = null;
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authorsAlphanumeric = null;
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books = null;
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edit = null;
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newAuthor = ejb.newAuthor();
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newBook = ejb.newBook();
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}
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}
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@ -45,7 +45,7 @@ import static org.jooq.example.db.h2.Tables.AUTHOR;
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import static org.jooq.example.db.h2.Tables.BOOK;
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import javax.annotation.Resource;
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import javax.ejb.Stateful;
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import javax.ejb.Stateless;
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import javax.sql.DataSource;
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import org.jooq.Result;
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@ -55,20 +55,18 @@ import org.jooq.example.db.h2.tables.records.AuthorRecord;
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import org.jooq.example.db.h2.tables.records.BookRecord;
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import org.jooq.impl.DSL;
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@Stateful
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public class AuthorsEJB {
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/**
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* A session bean that uses the configured {@link DataSource} to interact with
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* the embedded H2 database.
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*
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* @author Lukas Eder
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*/
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@Stateless
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public class LibraryEJB {
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@Resource(lookup="java:jboss/datasources/jooq-javaee-example")
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private DataSource ds;
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public AuthorRecord newAuthor() {
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return DSL.using(ds, H2).newRecord(AUTHOR);
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}
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public BookRecord newBook() {
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return DSL.using(ds, H2).newRecord(BOOK);
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}
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public Result<AuthorRecord> fetchAuthors(SortField<?> sort) {
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return DSL.using(ds, H2)
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.selectFrom(AUTHOR)
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@ -84,10 +82,12 @@ public class AuthorsEJB {
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}
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public void store(UpdatableRecord<?> record) {
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DSL.using(ds, H2).attach(record);
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record.store();
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}
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public void delete(UpdatableRecord<?> record) {
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DSL.using(ds, H2).attach(record);
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record.delete();
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}
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@ -1,5 +1,3 @@
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DROP TABLE IF EXISTS book_to_book_store;
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DROP TABLE IF EXISTS book_store;
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DROP TABLE IF EXISTS book;
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DROP TABLE IF EXISTS author;
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@ -23,43 +21,10 @@ CREATE TABLE book (
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CONSTRAINT fk_t_book_author_id FOREIGN KEY (author_id) REFERENCES author(id) ON DELETE CASCADE,
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);
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CREATE TABLE book_store (
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name VARCHAR(400) NOT NULL,
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CONSTRAINT uk_t_book_store_name PRIMARY KEY(name)
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);
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CREATE TABLE book_to_book_store (
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book_store_name VARCHAR(400) NOT NULL,
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book_id INTEGER NOT NULL,
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stock INTEGER,
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CONSTRAINT pk_b2bs PRIMARY KEY(book_store_name, book_id),
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CONSTRAINT fk_b2bs_bs_name FOREIGN KEY (book_store_name)
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REFERENCES book_store (name)
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ON DELETE CASCADE,
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CONSTRAINT fk_b2bs_b_id FOREIGN KEY (book_id)
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REFERENCES book (id)
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ON DELETE CASCADE
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);
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INSERT INTO author VALUES (DEFAULT, 'George', 'Orwell', '1903-06-25');
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INSERT INTO author VALUES (DEFAULT, 'Paulo', 'Coelho', '1947-08-24');
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INSERT INTO book VALUES (DEFAULT, 1, '1984', 1948, 1);
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INSERT INTO book VALUES (DEFAULT, 1, 'Animal Farm', 1945, 1);
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INSERT INTO book VALUES (DEFAULT, 2, 'O Alquimista', 1988, 4);
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INSERT INTO book VALUES (DEFAULT, 2, 'Brida', 1990, 2);
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INSERT INTO book_store (name) VALUES
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('Orell Füssli'),
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('Ex Libris'),
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('Buchhandlung im Volkshaus');
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INSERT INTO book_to_book_store VALUES
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('Orell Füssli', 1, 10),
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('Orell Füssli', 2, 10),
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('Orell Füssli', 3, 10),
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('Ex Libris', 1, 1),
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('Ex Libris', 3, 2),
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('Buchhandlung im Volkshaus', 3, 1);
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INSERT INTO book VALUES (DEFAULT, 2, 'Brida', 1990, 2);
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@ -6,7 +6,7 @@ body {
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}
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h1, h2, h3 {
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padding: 20px;
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padding: 10px;
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margin: 0;
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color: #eee;
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}
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@ -26,7 +26,7 @@ h3 {
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td, th {
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text-align: left;
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min-width: 50px;
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padding: 20px;
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padding: 10px;
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}
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input {
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@ -35,7 +35,7 @@ input {
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input[type=submit] {
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min-width: 50px;
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margin-right: 20px;
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margin-right: 10px;
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}
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.div-50 {
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@ -19,13 +19,13 @@
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<div class="div-50">
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<h2>Authors</h2>
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<h:dataTable value="#{authors.authors}" var="a">
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<h:dataTable value="#{library.authors}" var="a">
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<h:column>
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<f:facet name="header">
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<h:commandLink action="#{authors.sort(authors.authorColumns['ID'])}">
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<h:commandLink action="#{library.sort(library.authorColumns['ID'])}">
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<h:outputText value="ID"/>
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<h:outputText value="⇧" rendered="#{authors.sort['AUTHOR'].name == 'ID' and authors.sort['AUTHOR'].order == 'ASC'}"/>
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<h:outputText value="⇩" rendered="#{authors.sort['AUTHOR'].name == 'ID' and authors.sort['AUTHOR'].order == 'DESC'}"/>
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<h:outputText value="⇧" rendered="#{library.sort['AUTHOR'].name == 'ID' and library.sort['AUTHOR'].order == 'ASC'}"/>
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<h:outputText value="⇩" rendered="#{library.sort['AUTHOR'].name == 'ID' and library.sort['AUTHOR'].order == 'DESC'}"/>
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</h:commandLink>
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</f:facet>
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@ -34,48 +34,48 @@
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<h:column>
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<f:facet name="header">
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<h:commandLink action="#{authors.sort(authors.authorColumns['FIRST_NAME'])}">
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<h:commandLink action="#{library.sort(library.authorColumns['FIRST_NAME'])}">
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<h:outputText value="First Name"/>
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<h:outputText value="⇧" rendered="#{authors.sort['AUTHOR'].name == 'FIRST_NAME' and authors.sort['AUTHOR'].order == 'ASC'}"/>
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<h:outputText value="⇩" rendered="#{authors.sort['AUTHOR'].name == 'FIRST_NAME' and authors.sort['AUTHOR'].order == 'DESC'}"/>
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<h:outputText value="⇧" rendered="#{library.sort['AUTHOR'].name == 'FIRST_NAME' and library.sort['AUTHOR'].order == 'ASC'}"/>
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<h:outputText value="⇩" rendered="#{library.sort['AUTHOR'].name == 'FIRST_NAME' and library.sort['AUTHOR'].order == 'DESC'}"/>
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</h:commandLink>
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</f:facet>
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<h:outputText value="#{a.firstName}" rendered="#{authors.edit != a}"/>
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<h:inputText value="#{a.firstName}" rendered="#{authors.edit == a}"/>
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<h:outputText value="#{a.firstName}" rendered="#{library.edit != a}"/>
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<h:inputText value="#{a.firstName}" rendered="#{library.edit == a}"/>
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<f:facet name="footer">
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<h:inputText value="#{authors.newAuthor.firstName}"/>
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<h:inputText value="#{library.newAuthor.firstName}"/>
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</f:facet>
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</h:column>
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<h:column>
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<f:facet name="header">
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<h:commandLink action="#{authors.sort(authors.authorColumns['LAST_NAME'])}">
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<h:commandLink action="#{library.sort(library.authorColumns['LAST_NAME'])}">
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<h:outputText value="Last Name"/>
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<h:outputText value="⇧" rendered="#{authors.sort['AUTHOR'].name == 'LAST_NAME' and authors.sort['AUTHOR'].order == 'ASC'}"/>
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<h:outputText value="⇩" rendered="#{authors.sort['AUTHOR'].name == 'LAST_NAME' and authors.sort['AUTHOR'].order == 'DESC'}"/>
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<h:outputText value="⇧" rendered="#{library.sort['AUTHOR'].name == 'LAST_NAME' and library.sort['AUTHOR'].order == 'ASC'}"/>
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<h:outputText value="⇩" rendered="#{library.sort['AUTHOR'].name == 'LAST_NAME' and library.sort['AUTHOR'].order == 'DESC'}"/>
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</h:commandLink>
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</f:facet>
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<h:outputText value="#{a.lastName}" rendered="#{authors.edit != a}"/>
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<h:inputText value="#{a.lastName}" rendered="#{authors.edit == a}"/>
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<h:outputText value="#{a.lastName}" rendered="#{library.edit != a}"/>
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<h:inputText value="#{a.lastName}" rendered="#{library.edit == a}"/>
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<f:facet name="footer">
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<h:inputText value="#{authors.newAuthor.lastName}"/>
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<h:inputText value="#{library.newAuthor.lastName}"/>
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</f:facet>
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</h:column>
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<h:column>
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<f:facet name="header">Actions</f:facet>
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<h:commandButton value="edit" action="#{authors.edit(a)}" rendered="#{authors.edit != a}"/>
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<h:commandButton value="save" action="#{authors.save(a)}" rendered="#{authors.edit == a}"/>
|
||||
<h:commandButton value="edit" action="#{library.edit(a)}" rendered="#{library.edit != a}"/>
|
||||
<h:commandButton value="save" action="#{library.save(a)}" rendered="#{library.edit == a}"/>
|
||||
|
||||
<h:commandButton value="delete" action="#{authors.delete(a)}"/>
|
||||
<h:commandButton value="delete" action="#{library.delete(a)}"/>
|
||||
|
||||
<f:facet name="footer">
|
||||
<h:commandButton value="create" action="#{authors.save(authors.newAuthor)}"/>
|
||||
<h:commandButton value="create" action="#{library.save(library.newAuthor)}"/>
|
||||
</f:facet>
|
||||
</h:column>
|
||||
</h:dataTable>
|
||||
@ -84,13 +84,13 @@
|
||||
<div class="div-50">
|
||||
<h2>Books</h2>
|
||||
|
||||
<h:dataTable value="#{authors.books}" var="b">
|
||||
<h:dataTable value="#{library.books}" var="b">
|
||||
<h:column>
|
||||
<f:facet name="header">
|
||||
<h:commandLink action="#{authors.sort(authors.bookColumns['ID'])}">
|
||||
<h:commandLink action="#{library.sort(library.bookColumns['ID'])}">
|
||||
<h:outputText value="ID"/>
|
||||
<h:outputText value="⇧" rendered="#{authors.sort['BOOK'].name == 'ID' and authors.sort['BOOK'].order == 'ASC'}"/>
|
||||
<h:outputText value="⇩" rendered="#{authors.sort['BOOK'].name == 'ID' and authors.sort['BOOK'].order == 'DESC'}"/>
|
||||
<h:outputText value="⇧" rendered="#{library.sort['BOOK'].name == 'ID' and library.sort['BOOK'].order == 'ASC'}"/>
|
||||
<h:outputText value="⇩" rendered="#{library.sort['BOOK'].name == 'ID' and library.sort['BOOK'].order == 'DESC'}"/>
|
||||
</h:commandLink>
|
||||
</f:facet>
|
||||
|
||||
@ -100,45 +100,45 @@
|
||||
<h:column>
|
||||
<f:facet name="header">Author</f:facet>
|
||||
|
||||
<h:outputText value="#{authors.authorById[b.authorId].firstName} #{authors.authorById[b.authorId].lastName}" rendered="#{authors.edit != b}"/>
|
||||
<h:selectOneMenu value="#{b.authorId}" rendered="#{authors.edit == b}">
|
||||
<f:selectItems value="#{authors.authorsAlphanumeric}" var="a" itemLabel="#{a.firstName} #{a.lastName}" itemValue="#{a.id}" />
|
||||
<h:outputText value="#{library.authorById[b.authorId].firstName} #{library.authorById[b.authorId].lastName}" rendered="#{library.edit != b}"/>
|
||||
<h:selectOneMenu value="#{b.authorId}" rendered="#{library.edit == b}">
|
||||
<f:selectItems value="#{library.authorsAlphanumeric}" var="a" itemLabel="#{a.firstName} #{a.lastName}" itemValue="#{a.id}" />
|
||||
</h:selectOneMenu>
|
||||
|
||||
<f:facet name="footer">
|
||||
<h:selectOneMenu value="#{authors.newBook.authorId}">
|
||||
<f:selectItems value="#{authors.authorsAlphanumeric}" var="a" itemLabel="#{a.firstName} #{a.lastName}" itemValue="#{a.id}" />
|
||||
<h:selectOneMenu value="#{library.newBook.authorId}">
|
||||
<f:selectItems value="#{library.authorsAlphanumeric}" var="a" itemLabel="#{a.firstName} #{a.lastName}" itemValue="#{a.id}" />
|
||||
</h:selectOneMenu>
|
||||
</f:facet>
|
||||
</h:column>
|
||||
|
||||
<h:column>
|
||||
<f:facet name="header">
|
||||
<h:commandLink action="#{authors.sort(authors.bookColumns['TITLE'])}">
|
||||
<h:commandLink action="#{library.sort(library.bookColumns['TITLE'])}">
|
||||
<h:outputText value="Title"/>
|
||||
<h:outputText value="⇧" rendered="#{authors.sort['BOOK'].name == 'TITLE' and authors.sort['BOOK'].order == 'ASC'}"/>
|
||||
<h:outputText value="⇩" rendered="#{authors.sort['BOOK'].name == 'TITLE' and authors.sort['BOOK'].order == 'DESC'}"/>
|
||||
<h:outputText value="⇧" rendered="#{library.sort['BOOK'].name == 'TITLE' and library.sort['BOOK'].order == 'ASC'}"/>
|
||||
<h:outputText value="⇩" rendered="#{library.sort['BOOK'].name == 'TITLE' and library.sort['BOOK'].order == 'DESC'}"/>
|
||||
</h:commandLink>
|
||||
</f:facet>
|
||||
|
||||
<h:outputText value="#{b.title}" rendered="#{authors.edit != b}"/>
|
||||
<h:inputText value="#{b.title}" rendered="#{authors.edit == b}"/>
|
||||
<h:outputText value="#{b.title}" rendered="#{library.edit != b}"/>
|
||||
<h:inputText value="#{b.title}" rendered="#{library.edit == b}"/>
|
||||
|
||||
<f:facet name="footer">
|
||||
<h:inputText value="#{authors.newBook.title}"/>
|
||||
<h:inputText value="#{library.newBook.title}"/>
|
||||
</f:facet>
|
||||
</h:column>
|
||||
|
||||
<h:column>
|
||||
<f:facet name="header">Actions</f:facet>
|
||||
|
||||
<h:commandButton value="edit" action="#{authors.edit(b)}" rendered="#{authors.edit != b}"/>
|
||||
<h:commandButton value="save" action="#{authors.save(b)}" rendered="#{authors.edit == b}"/>
|
||||
<h:commandButton value="edit" action="#{library.edit(b)}" rendered="#{library.edit != b}"/>
|
||||
<h:commandButton value="save" action="#{library.save(b)}" rendered="#{library.edit == b}"/>
|
||||
|
||||
<h:commandButton value="delete" action="#{authors.delete(b)}"/>
|
||||
<h:commandButton value="delete" action="#{library.delete(b)}"/>
|
||||
|
||||
<f:facet name="footer">
|
||||
<h:commandButton value="create" action="#{authors.save(authors.newBook)}"/>
|
||||
<h:commandButton value="create" action="#{library.save(library.newBook)}"/>
|
||||
</f:facet>
|
||||
</h:column>
|
||||
</h:dataTable>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user