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Client library for EJB applications working against Wildfly - Java EE Variant
/*
* JBoss, Home of Professional Open Source.
* Copyright 2017 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 org.jboss.ejb.client;
import org.wildfly.common.Assert;
/**
* A locator for a stateful session Enterprise Bean.
*
* @param the remote view type
*/
public final class StatefulEJBLocator extends EJBLocator {
private static final long serialVersionUID = 8229686118358785586L;
private final SessionID sessionId;
/**
* Construct a new instance.
*
* @param viewType the view type
* @param appName the application name
* @param moduleName the module name
* @param beanName the bean name
* @param sessionId the stateful session ID
*/
public StatefulEJBLocator(final Class viewType, final String appName, final String moduleName, final String beanName, final SessionID sessionId) {
this(viewType, appName, moduleName, beanName, sessionId, Affinity.NONE);
}
/**
* Construct a new instance.
*
* @param viewType the view type
* @param appName the application name
* @param moduleName the module name
* @param beanName the bean name
* @param sessionId the stateful session ID
* @param affinity The {@link Affinity} for this stateful bean locator
*/
public StatefulEJBLocator(final Class viewType, final String appName, final String moduleName, final String beanName, final SessionID sessionId, final Affinity affinity) {
this(viewType, appName, moduleName, beanName, "", sessionId, affinity);
}
/**
* Construct a new instance.
*
* @param viewType the view type
* @param appName the application name
* @param moduleName the module name
* @param beanName the bean name
* @param distinctName the distinct name
* @param sessionId the stateful session ID
*/
public StatefulEJBLocator(final Class viewType, final String appName, final String moduleName, final String beanName, final String distinctName, final SessionID sessionId) {
this(viewType, appName, moduleName, beanName, distinctName, sessionId, Affinity.NONE);
}
/**
* Construct a new instance.
*
* @param viewType the view type
* @param appName the application name
* @param moduleName the module name
* @param beanName the bean name
* @param distinctName the distinct name
* @param sessionId the stateful session ID
* @param affinity The {@link Affinity} for this stateful bean locator
*/
public StatefulEJBLocator(final Class viewType, final String appName, final String moduleName, final String beanName, final String distinctName, final SessionID sessionId, final Affinity affinity) {
super(viewType, appName, moduleName, beanName, distinctName, affinity);
Assert.checkNotNullParam("sessionId", sessionId);
this.sessionId = sessionId;
}
/**
* Construct a new instance.
*
* @param viewType the view type
* @param identifier the Enterprise Beans identifier
* @param sessionId the stateful session ID
* @param affinity the {@link Affinity} for this stateful bean locator
*/
public StatefulEJBLocator(final Class viewType, final EJBIdentifier identifier, final SessionID sessionId, final Affinity affinity) {
super(viewType, identifier, affinity);
Assert.checkNotNullParam("sessionId", sessionId);
this.sessionId = sessionId;
}
/**
* Construct a new instance.
*
* @param viewType the view type
* @param identifier the Enterprise Beans identifier
* @param sessionId the stateful session ID
*/
public StatefulEJBLocator(final Class viewType, final EJBIdentifier identifier, final SessionID sessionId) {
this(viewType, identifier, sessionId, Affinity.NONE);
}
/**
* Construct a new instance. This constructor creates a copy of the original locator, but with a new affinity.
*
* @param original the original locator
* @param newAffinity the new affinity
*/
public StatefulEJBLocator(final StatefulEJBLocator original, final Affinity newAffinity) {
super(original, newAffinity);
this.sessionId = original.sessionId;
}
/**
* Construct a new instance. This constructor uses the location from the original locator, but with the given
* session ID.
*
* @param original the original locator
* @param sessionId the session ID
*/
public StatefulEJBLocator(final EJBLocator original, final SessionID sessionId) {
super(original, original.getAffinity());
Assert.checkNotNullParam("sessionId", sessionId);
this.sessionId = sessionId;
}
/**
* Construct a new instance. This constructor uses the location from the original locator, but with the given
* session ID and affinity.
*
* @param original the original locator
* @param sessionId the session ID
* @param newAffinity the new affinity
*/
public StatefulEJBLocator(final EJBLocator original, final SessionID sessionId, final Affinity newAffinity) {
super(original, newAffinity);
Assert.checkNotNullParam("sessionId", sessionId);
this.sessionId = sessionId;
}
/**
* Construct a new instance.
*
* @param viewType the view type (must not be {@code null})
* @param identifier the Enterprise Beans identifier (must not be {@code null})
* @param sessionId the stateful session ID (must not be {@code null})
* @param affinity the {@link Affinity} for this stateful bean locator
* @param the remote view type
* @return the new instance (not {@code null})
*/
public static StatefulEJBLocator create(final Class viewType, final EJBIdentifier identifier, final SessionID sessionId, final Affinity affinity) {
return new StatefulEJBLocator(viewType, identifier, sessionId, affinity);
}
/**
* Get a copy of this stateful Enterprise Beans locator, but without any session ID.
*
* @return the stateless Enterprise Beans locator (not {@code null})
*/
public StatelessEJBLocator withoutSession() {
return new StatelessEJBLocator(this, getAffinity());
}
public StatefulEJBLocator withSession(final SessionID sessionId) {
Assert.checkNotNullParam("sessionId", sessionId);
if (sessionId.equals(this.sessionId)) {
return this;
} else {
return new StatefulEJBLocator(this, sessionId);
}
}
public StatefulEJBLocator withNewAffinity(final Affinity affinity) {
Assert.checkNotNullParam("affinity", affinity);
return getAffinity().equals(affinity) ? this : new StatefulEJBLocator(this, affinity);
}
public StatefulEJBLocator withSessionAndAffinity(final SessionID sessionId, final Affinity affinity) {
Assert.checkNotNullParam("sessionId", sessionId);
Assert.checkNotNullParam("affinity", affinity);
return getAffinity().equals(affinity) && getSessionId().equals(sessionId) ? this : new StatefulEJBLocator(this, sessionId, affinity);
}
@SuppressWarnings("unchecked")
public StatefulEJBLocator narrowTo(final Class type) {
return (StatefulEJBLocator) super.narrowTo(type);
}
@SuppressWarnings("unchecked")
public StatefulEJBLocator narrowAsStateful(final Class type) {
if (type.isAssignableFrom(getViewType())) {
return (StatefulEJBLocator) this;
}
throw new ClassCastException(type.toString());
}
public StatefulEJBLocator asStateful() {
return this;
}
public boolean isStateful() {
return true;
}
/**
* Get the session ID associated with this locator.
*
* @return the session ID
*/
public SessionID getSessionId() {
return sessionId;
}
/**
* Determine whether this object is equal to another.
*
* @param other the other object
* @return {@code true} if they are equal, {@code false} otherwise
*/
public boolean equals(final Object other) {
return other instanceof StatefulEJBLocator && equals((StatefulEJBLocator) other);
}
/**
* Determine whether this object is equal to another.
*
* @param other the other object
* @return {@code true} if they are equal, {@code false} otherwise
*/
public boolean equals(final EJBLocator other) {
return other instanceof StatefulEJBLocator && equals((StatefulEJBLocator) other);
}
/**
* Determine whether this object is equal to another.
*
* @param other the other object
* @return {@code true} if they are equal, {@code false} otherwise
*/
public boolean equals(final StatefulEJBLocator other) {
return super.equals(other) && sessionId.equals(other.sessionId);
}
int calculateHashCode() {
return sessionId.hashCode() * 13 + super.calculateHashCode();
}
@Override
public String toString() {
return String.format("%s, session ID is %s", super.toString(), getSessionId());
}
}
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