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The UnboundID LDAP SDK for Java is a fast, comprehensive, and easy-to-use Java API for communicating with LDAP directory servers and performing related tasks like reading and writing LDIF, encoding and decoding data using base64 and ASN.1 BER, and performing secure communication. This package contains the Commercial Edition of the LDAP SDK, which includes all of the general-purpose functionality contained in the Standard Edition, plus additional functionality specific to UnboundID server products.

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/*
 * Copyright 2015-2016 UnboundID Corp.
 * All Rights Reserved.
 */
/*
 * Copyright (C) 2015-2016 UnboundID Corp.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (GPLv2 only)
 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see .
 */
package com.unboundid.ldap.sdk;



import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

import com.unboundid.util.StaticUtils;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;



/**
 * This class provides an {@link LDAPConnectionPoolHealthCheck} implementation
 * that may be used to invoke a series of subordinate health checks and ensure
 * that all of them consider a connection valid before indicating that the
 * connection is valid.  If any of the subordinate health checks indicates that
 * the connection is invalid, then the connection will be considered invalid.
 */
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class AggregateLDAPConnectionPoolHealthCheck
       extends LDAPConnectionPoolHealthCheck
{
  // The list of subordinate health checks that will be invoked.
  private final List healthChecks;



  /**
   * Creates a new instance of this LDAP connection pool health check.
   *
   * @param  healthChecks  The set of health checks that must all be satisfied
   *                       in order to consider a connection valid.
   */
  public AggregateLDAPConnectionPoolHealthCheck(
              final LDAPConnectionPoolHealthCheck... healthChecks)
  {
    this(StaticUtils.toList(healthChecks));
  }



  /**
   * Creates a new instance of this LDAP connection pool health check.
   *
   * @param  healthChecks  The set of health checks that must all be satisfied
   *                       in order to consider a connection valid.
   */
  public AggregateLDAPConnectionPoolHealthCheck(
       final Collection healthChecks)
  {
    if (healthChecks == null)
    {
      this.healthChecks = Collections.emptyList();
    }
    else
    {
      this.healthChecks = Collections.unmodifiableList(
           new ArrayList(healthChecks));
    }
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void ensureNewConnectionValid(final LDAPConnection connection)
         throws LDAPException
  {
    for (final LDAPConnectionPoolHealthCheck hc : healthChecks)
    {
      hc.ensureNewConnectionValid(connection);
    }
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void ensureConnectionValidAfterAuthentication(
                   final LDAPConnection connection,
                   final BindResult bindResult)
         throws LDAPException
  {
    for (final LDAPConnectionPoolHealthCheck hc : healthChecks)
    {
      hc.ensureConnectionValidAfterAuthentication(connection, bindResult);
    }
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void ensureConnectionValidForCheckout(final LDAPConnection connection)
         throws LDAPException
  {
    for (final LDAPConnectionPoolHealthCheck hc : healthChecks)
    {
      hc.ensureConnectionValidForCheckout(connection);
    }
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void ensureConnectionValidForRelease(final LDAPConnection connection)
         throws LDAPException
  {
    for (final LDAPConnectionPoolHealthCheck hc : healthChecks)
    {
      hc.ensureConnectionValidForRelease(connection);
    }
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void ensureConnectionValidForContinuedUse(
                   final LDAPConnection connection)
         throws LDAPException
  {
    for (final LDAPConnectionPoolHealthCheck hc : healthChecks)
    {
      hc.ensureConnectionValidForContinuedUse(connection);
    }
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void ensureConnectionValidAfterException(
                   final LDAPConnection connection,
                   final LDAPException exception)
         throws LDAPException
  {
    for (final LDAPConnectionPoolHealthCheck hc : healthChecks)
    {
      hc.ensureConnectionValidAfterException(connection, exception);
    }
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void toString(final StringBuilder buffer)
  {
    buffer.append("AggregateLDAPConnectionPoolHealthCheck(healthChecks={");

    final Iterator iterator =
         healthChecks.iterator();
    while (iterator.hasNext())
    {
      iterator.next().toString(buffer);
      if (iterator.hasNext())
      {
        buffer.append(", ");
      }
    }

    buffer.append("})");
  }
}