org.dbrain.binder.system.scope.StandardScopeComponent Maven / Gradle / Ivy

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Guice-like facade to the unfriendly HK2 service locator.

There is a newer version: 0.13

/*
 * Copyright [2015] [Eric Poitras]
 *
 *     Licensed under the Apache License, Version 2.0 (the "License");
 *     you may not use this file except in compliance with the License.
 *     You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *     Unless required by applicable law or agreed to in writing, software
 *     distributed under the License is distributed on an "AS IS" BASIS,
 *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *     See the License for the specific language governing permissions and
 *     limitations under the License.
 */

package org.dbrain.binder.system.scope;

import org.dbrain.binder.app.Binder;
import org.dbrain.binder.app.Component;
import org.dbrain.binder.lifecycle.RequestScoped;
import org.dbrain.binder.lifecycle.SessionScoped;
import org.glassfish.hk2.api.Context;
import org.glassfish.hk2.api.TypeLiteral;

import javax.inject.Inject;
import javax.inject.Singleton;

/**
 * This feature defines both the Request and Session scopes.
 */
public class StandardScopeComponent implements Component {

    @Inject
    public StandardScopeComponent( Binder.BindingContext cc ) {
        cc.onBind( ( binder ) -> {
            // Define the request scope
            binder.bind( RequestScopeContext.class ) //
                    .to( new TypeLiteral>() {}.getType() ) //
                    .to( RequestScopeContext.class ) //
                    .in( Singleton.class );

            // Define the session scope
            binder.bind( SessionScopeContext.class ) //
                    .to( new TypeLiteral>() {}.getType() ) //
                    .to( SessionScopeContext.class ) //
                    .in( Singleton.class );
        } );
    }

}