LateBindingComponentDescriptorImpl.java

/**
 * Copyright 2014 Sunny Gleason and original author or authors
 *
 * 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 io.kazuki.v0.store.management.impl;

import io.kazuki.v0.store.management.ComponentDescriptor;
import io.kazuki.v0.store.management.KazukiComponent;

import java.util.Collection;

import com.google.inject.Provider;

public abstract class LateBindingComponentDescriptorImpl<T>
    implements
      ComponentDescriptor<T>,
      Provider<KazukiComponent<T>> {
  @Override
  public abstract KazukiComponent<T> get();

  @Override
  public String getName() {
    return this.get().getComponentDescriptor().getName();
  }

  @Override
  public Class<T> getClazz() {
    return this.get().getComponentDescriptor().getClazz();
  }

  @Override
  public T getInstance() {
    return this.get().getComponentDescriptor().getInstance();
  }

  @Override
  public Collection<ComponentDescriptor> getDependencies() {
    return this.get().getComponentDescriptor().getDependencies();
  }

  @Override
  public String toString() {
    if (this.get() == null) {
      return getClass().getName() + "@" + System.identityHashCode(this);
    }

    return this.get().toString();
  }
}