Java tutorial
/************************************************************************* * Copyright 2009-2015 Eucalyptus Systems, Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 3 of the License. * * 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 http://www.gnu.org/licenses/. * * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need * additional information or have any questions. * * This file may incorporate work covered under the following copyright * and permission notice: * * Software License Agreement (BSD License) * * Copyright (c) 2008, Regents of the University of California * All rights reserved. * * Redistribution and use of this software in source and binary forms, * with or without modification, are permitted provided that the * following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE * THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL, * COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE, * AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING * IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, * SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY, * WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION, * REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO * IDENTIFIED, OR WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT * NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS. ************************************************************************/ package com.eucalyptus.compute.common.internal.vm; import java.util.Date; import java.util.EnumSet; import java.util.Set; import javax.persistence.CollectionTable; import javax.persistence.Column; import javax.persistence.ElementCollection; import org.hibernate.annotations.Cache; import org.hibernate.annotations.CacheConcurrencyStrategy; import org.hibernate.annotations.Parent; import org.hibernate.criterion.Criterion; import org.hibernate.criterion.Restrictions; import com.google.common.base.Function; import com.google.common.base.Functions; import com.google.common.collect.Iterables; import com.google.common.collect.Lists; import com.google.common.collect.Sets; public class VmCreateImageTask { public enum CreateImageState { none("none"), pending("pending"), guest_stopping("stopping"), creating_snapshot( "snapshotting"), guest_starting("starting"), complete("complete"), failed("failed"); private String strState = null; private CreateImageState(final String state) { strState = state; } @Override public String toString() { return strState; } public static Function<String, CreateImageState> mapper = new Function<String, CreateImageState>() { @Override public CreateImageState apply(final String input) { for (final CreateImageState s : CreateImageState.values()) { if ((s.toString() != null) && s.toString().equals(input)) { return s; } } return none; } }; } @Parent private VmInstance vmInstance; @Column(name = "metadata_vm_createimage_state") private String state; @Column(name = "metadata_vm_createimage_start_time") private Date startTime; @Column(name = "metadata_vm_createimage_update_time") private Date updateTime; @Column(name = "metadata_vm_createimage_progress") private String progress; @Column(name = "metadata_vm_createimage_error_msg") private String errorMessage; @Column(name = "metadata_vm_createimage_error_code") private String errorCode; @Column(name = "metadata_vm_createimage_image_id") private String imageId; @ElementCollection @CollectionTable(name = "metadata_instances_createimage_snapshots") @Cache(usage = CacheConcurrencyStrategy.TRANSACTIONAL) private Set<VmCreateImageSnapshot> snapshots = Sets.newHashSet(); @Column(name = "metadata_vm_createimage_no_reboot") private Boolean noReboot; VmCreateImageTask() { super(); } VmCreateImageTask(final VmInstance vmInstance, final String state, final Date startTime, final Date updateTime, final String progress, final String errorMessage, final String errorCode, final String imageId, final Boolean noReboot) { super(); this.vmInstance = vmInstance; this.state = state; this.startTime = startTime; this.updateTime = updateTime; this.progress = progress; this.errorMessage = errorMessage; this.errorCode = errorCode; this.imageId = imageId; this.noReboot = noReboot; } private VmInstance getVmInstance() { return this.vmInstance; } private void setVmInstance(final VmInstance vmInstance) { this.vmInstance = vmInstance; } CreateImageState getState() { return CreateImageState.mapper.apply(this.state); } void setState(final CreateImageState state) { this.state = state.toString(); } private Date getStartTime() { return this.startTime; } private void setStartTime(final Date startTime) { this.startTime = startTime; } private Date getUpdateTime() { return this.updateTime; } void setUpdateTime(final Date updateTime) { this.updateTime = updateTime; } private String getProgress() { return this.progress; } private void setProgress(final String progress) { this.progress = progress; } private String getErrorMessage() { return this.errorMessage; } private void setErrorMessage(final String errorMessage) { this.errorMessage = errorMessage; } private String getErrorCode() { return this.errorCode; } private void setErrorCode(final String errorCode) { this.errorCode = errorCode; } public String getImageId() { return this.imageId; } public void setImageId(final String imageId) { this.imageId = imageId; } public void addSnapshot(final String deviceName, final String snapshotId, final Boolean isRootDevice, final Boolean deleteOnTerminate) { final VmCreateImageSnapshot newSnapshot = new VmCreateImageSnapshot(deviceName, snapshotId, isRootDevice, deleteOnTerminate); this.snapshots.add(newSnapshot); } public Set<VmCreateImageSnapshot> getSnapshots() { return this.snapshots; } public Boolean getNoReboot() { return this.noReboot; } public void setNoReboot(final Boolean noReboot) { this.noReboot = noReboot; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((this.vmInstance == null) ? 0 : this.vmInstance.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } VmCreateImageTask other = (VmCreateImageTask) obj; if (this.vmInstance == null) { if (other.vmInstance != null) { return false; } } else if (!this.vmInstance.equals(other.vmInstance)) { return false; } return true; } /** * Instance matching criterion. */ public static Criterion inState(final Set<CreateImageState> states) { return Restrictions.in("runtimeState.createImageTask.state", Lists.newArrayList(Iterables.transform(states, Functions.toStringFunction()))); } public static Set<CreateImageState> idleStates() { return EnumSet.of(CreateImageState.complete, CreateImageState.failed, CreateImageState.none); } }