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    • org.apache.olingo.ext.proxy.commons.InlineEntitySetInvocationHandler Maven / Gradle / Ivy

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    /*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.apache.olingo.ext.proxy.commons;

import java.io.Serializable;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.net.URI;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;

import org.apache.olingo.client.api.uri.URIBuilder;
import org.apache.olingo.commons.api.edm.FullQualifiedName;
import org.apache.olingo.ext.proxy.AbstractService;
import org.apache.olingo.ext.proxy.api.AbstractEntitySet;
import org.apache.olingo.ext.proxy.api.AbstractSingleton;
import org.apache.olingo.ext.proxy.api.EntityCollection;
import org.apache.olingo.ext.proxy.api.EntityType;
import org.apache.olingo.ext.proxy.api.Search;
import org.apache.olingo.ext.proxy.utils.ClassUtils;

public class InlineEntitySetInvocationHandler<
    T extends EntityType, KEY extends Serializable, EC extends EntityCollection>
    extends AbstractEntityCollectionInvocationHandler
    implements AbstractEntitySet {

  private static final long serialVersionUID = 2629912294765040027L;

  @SuppressWarnings({ "rawtypes", "unchecked" })
  public static InlineEntitySetInvocationHandler getInstance(final Class ref, final AbstractService service,
      final URI uri,
      final List items) {
    return new InlineEntitySetInvocationHandler(ref, service, service.getClient().newURIBuilder(uri.toASCIIString()),
        items);
  }

  protected InlineEntitySetInvocationHandler(
      final Class ref,
      final AbstractService service,
      final URIBuilder uri,
      final Collection items) {

    super(ref, service, uri);

    this.items = items;
  }

  @Override
  public Object invoke(final Object proxy, final Method method, final Object[] args) throws Throwable {
    if ("filter".equals(method.getName())
        || "orderBy".equals(method.getName())
        || "top".equals(method.getName())
        || "skip".equals(method.getName())
        || "expand".equals(method.getName())
        || "select".equals(method.getName())) {

      invokeSelfMethod(method, args);
      return proxy;
    } else if (isSelfMethod(method)) {
      return invokeSelfMethod(method, args);
    } else {
      throw new NoSuchMethodException(method.getName());
    }
  }

  @Override
  public Long count() {
    return Long.valueOf(size());
  }

  @Override
  public Boolean exists(final KEY key) throws IllegalArgumentException {
    throw new UnsupportedOperationException("exists not supported on inline entity set");
  }

  @Override
  public T getByKey(final KEY key) throws IllegalArgumentException {
    return getByKey(key, itemRef);
  }

  @Override
  public  S getByKey(final KEY key, final Class typeRef) throws IllegalArgumentException {
    throw new UnsupportedOperationException("getByKey not supported on inline entity set");
  }

  @Override
  public EC execute() {
    return execute(collItemRef);
  }

  public > Future executeAsync(final Class collTypeRef) {
    return service.getClient().getConfiguration().getExecutor().submit(new Callable() {
      @Override
      public SEC call() throws Exception {
        return execute(collTypeRef);
      }
    });
  }

  @SuppressWarnings("unchecked")
  public > SEC execute(final Class collTypeRef) {
    final Class ref = (Class) ClassUtils.extractTypeArg(collTypeRef,
        AbstractEntitySet.class, AbstractSingleton.class, EntityCollection.class);
    final Class oref = (Class) ClassUtils.extractTypeArg(collItemRef,
        AbstractEntitySet.class, AbstractSingleton.class, EntityCollection.class);

    if (!oref.equals(ref)) {
      uri.appendDerivedEntityTypeSegment(new FullQualifiedName(
          ClassUtils.getNamespace(ref), ClassUtils.getEntityTypeName(ref)).toString());
    }

    final EntityCollectionInvocationHandler entityCollectionHandler = new EntityCollectionInvocationHandler(
        service, (Collection) items, collTypeRef, baseURI, uri);

    return (SEC) Proxy.newProxyInstance(
        Thread.currentThread().getContextClassLoader(),
        new Class[] { collTypeRef },
        entityCollectionHandler);
  }

  @Override
  public Search createSearch() {
    throw new UnsupportedOperationException("Search not supported on inline entity set");
  }

  @Override
  public > Search createSearch(final Class reference) {
    throw new UnsupportedOperationException("Search not supported on inline entity set");
  }

  @Override
  public void delete(final KEY key) throws IllegalArgumentException {
    throw new UnsupportedOperationException("Delete not supported on inline entity set");
  }

  @Override
  public  void delete(final S entity) {
    throw new UnsupportedOperationException("Delete not supported on inline entity set");
  }

  @Override
  public  void delete(final Iterable entities) {
    throw new UnsupportedOperationException("Delete not supported on inline entity set");
  }
}
    
    
    
    

    




    
    
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