com.groupbyinc.flux.next.common.carrotsearch.hppc.AbstractObjectCollection Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of common-flux-next Show documentation
${project.name}
The newest version!
package com.carrotsearch.hppc;

import java.util.Arrays;

import com.carrotsearch.hppc.cursors.ObjectCursor;
import com.carrotsearch.hppc.predicates.ObjectPredicate;

/**
 * Common superclass for collections. 
 */
  
@SuppressWarnings("unchecked")
  
 @javax.annotation.Generated(
    date = "2015-05-07T09:33:03+0200",
    value = "AbstractKTypeCollection.java") 
abstract class AbstractObjectCollection 
  implements   
             ObjectCollection
{
  /**
   * Default implementation uses a predicate for removal.
   */
  @Override
  public int removeAll(final ObjectLookupContainer c) {
    // We know c holds sub-types of Object and we're not modifying c, so go unchecked.
    return this.removeAll(new ObjectPredicate() {
      public boolean apply(KType k) {
        return c.contains(k);
      }
    });
  }

  /**
   * Default implementation uses a predicate for retaining.
   */
  @Override
  public int retainAll(final ObjectLookupContainer c) {
    // We know c holds sub-types of Object and we're not modifying c, so go unchecked.
    return this.removeAll(new ObjectPredicate() {
      public boolean apply(KType k) {
        return !c.contains(k);
      }
    });
  }

  /**
   * Default implementation redirects to {@link #removeAll(ObjectPredicate)} and
   * negates the predicate.
   */
  @Override
  public int retainAll(final ObjectPredicate predicate) {
    return removeAll(new ObjectPredicate() {
      public boolean apply(KType value) {
        return !predicate.apply(value);
      };
    });
  }

  /**
   * Default implementation of copying to an array.
   */
  @Override
   
  public Object[] toArray()
    
  {
    KType[] array = ((KType[]) new Object [size()]);
    int i = 0;
    for (ObjectCursor c : this) {
      array[i++] = c.value;
    }
    return array;
  }

   
  public  T [] toArray(Class componentClass) {
    final int size = size();
    final T[] array = (T[]) java.lang.reflect.Array.newInstance(componentClass, size);
    int i = 0;
    for (ObjectCursor c : this) {
      array[i++] = (T) c.value;
    }
    return array;
  }
    

  /**
   * Convert the contents of this container to a human-friendly string.
   */
  @Override
  public String toString() {
    return Arrays.toString(this.toArray());
  }

    
    protected   boolean equals(Object v1, Object v2) {
    return (v1 == v2) || (v1 != null && v1.equals(v2));
  }
        
}