Collector Collector is an utility to manage collections easily.
Create a new book
TitleAuthorAction
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<h:form id="form">
    <p:growl id="msgs" />

    <p:panel header="Create a new book" style="margin-bottom:20px">
        <h:panelGrid columns="2" cellpadding="5">
            <h:outputLabel value="Title : *" for="txt_title"></h:outputLabel>
            <p:inputText id="txt_title" value="#{collectorView.book.title}" required="true"/>

            <h:outputLabel value="Author : *" for="txt_author"></h:outputLabel>
            <p:inputText id="txt_author" value="#{collectorView.book.author}" required="true"/>

            <p:commandButton id="btn_reset" value="Reset" type="reset"/>
            <p:commandButton id="btn_add" value="Add" update="books msgs @parent" action="#{collectorView.reinit}" >
                <p:collector value="#{collectorView.book}" addTo="#{collectorView.books}" unique="true"/>
            </p:commandButton>
        </h:panelGrid>
    </p:panel>

    <p:outputPanel id="books">
        <p:dataTable value="#{collectorView.books}" var="book" id="booksTable">

            <p:column headerText="Title">
                <h:outputText value="#{book.title}" />
            </p:column>

            <p:column headerText="Author">
                <f:facet name="header">
                    <h:outputText value="Author" />
                </f:facet>
                <h:outputText value="#{book.author}" />
            </p:column>

            <p:column headerText="Action">
                <p:commandLink value="Remove" update=":form:books" process=":form:books">
                    <p:collector value="#{book}" removeFrom="#{collectorView.books}" unique="true"/>
                </p:commandLink>
            </p:column>

        </p:dataTable>
    </p:outputPanel>
</h:form>
                
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