/**
* 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.ambari.server.state.stack;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.bind.annotation.XmlElements;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;
import org.apache.ambari.server.stack.Validable;
/**
* Represents the extension <code>metainfo.xml</code> file.
*
* An extension version is like a stack version but it contains custom services. Linking an extension
* version to the current stack version allows the cluster to install the custom services contained in
* the extension version.
*/
@XmlRootElement(name="metainfo")
@XmlAccessorType(XmlAccessType.FIELD)
public class ExtensionMetainfoXml implements Validable{
@XmlElement(name="extends")
private String extendsVersion = null;
@XmlElement(name="versions")
private Version version = new Version();
@XmlElement(name="prerequisites")
private Prerequisites prerequisites = new Prerequisites();
@XmlAccessorType(XmlAccessType.FIELD)
public static class Prerequisites {
private Prerequisites() {
}
@XmlElementWrapper(name="min-stack-versions")
@XmlElements(@XmlElement(name="stack"))
private List<Stack> stacks = new ArrayList<>();
@XmlElementWrapper(name="min-extension-versions")
@XmlElements(@XmlElement(name="extension"))
private List<Extension> extensions = new ArrayList<>();
public List<Stack> getStacks() {
return stacks;
}
public List<Extension> getExtensions() {
return extensions;
}
}
@XmlTransient
private boolean valid = true;
@XmlElement(name="auto-link")
private boolean autoLink = false;
/**
*
* @return valid xml flag
*/
@Override
public boolean isValid() {
return valid;
}
/**
*
* @param valid set validity flag
*/
@Override
public void setValid(boolean valid) {
this.valid = valid;
}
@XmlTransient
private Set<String> errorSet = new HashSet<>();
@Override
public void addError(String error) {
errorSet.add(error);
}
@Override
public Collection<String> getErrors() {
return errorSet;
}
@Override
public void addErrors(Collection<String> errors) {
this.errorSet.addAll(errors);
}
/**
* @return the parent stack version number
*/
public String getExtends() {
return extendsVersion;
}
/**
* @return gets the version
*/
public Version getVersion() {
return version;
}
public List<Stack> getStacks() {
return prerequisites.getStacks();
}
public List<Extension> getExtensions() {
return prerequisites.getExtensions();
}
@XmlAccessorType(XmlAccessType.FIELD)
public static class Version {
private Version() {
}
private boolean active = false;
private String upgrade = null;
/**
* @return <code>true</code> if the stack is active
*/
public boolean isActive() {
return active;
}
/**
* @return the upgrade version number, if set
*/
public String getUpgrade() {
return upgrade;
}
}
@XmlAccessorType(XmlAccessType.FIELD)
public static class Stack {
private Stack() {
}
private String name = null;
private String version = null;
/**
* @return the stack name
*/
public String getName() {
return name;
}
/**
* @return the stack version, this may be something like 1.0.*
*/
public String getVersion() {
return version;
}
}
@XmlAccessorType(XmlAccessType.FIELD)
public static class Extension {
private Extension() {
}
private String name = null;
private String version = null;
/**
* @return the extension name
*/
public String getName() {
return name;
}
/**
* @return the extension version, this may be something like 1.0.*
*/
public String getVersion() {
return version;
}
}
public boolean isAutoLink() {
return autoLink;
}
public void setAutoLink(boolean autoLink) {
this.autoLink = autoLink;
}
}