Fix line endings
This commit is contained in:
Rossen Stoyanchev
@@ -1,156 +1,156 @@
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/*
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* Copyright 2004-2015 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.webflow.conversation.impl;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.webflow.conversation.Conversation;
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import org.springframework.webflow.conversation.ConversationId;
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import org.springframework.webflow.conversation.ConversationParameters;
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import org.springframework.webflow.conversation.NoSuchConversationException;
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/**
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* Container for conversations that is stored in the session. When the session
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* expires this container will go with it, implicitly expiring all contained
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* conversations.
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*
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* <p>This is an internal helper class of the
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* {@link SessionBindingConversationManager}.
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*
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* @author Erwin Vervaet
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*/
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public class ConversationContainer implements Serializable {
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private static final Log logger = LogFactory.getLog(ConversationContainer.class);
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/** Maximum number of conversations in this container. -1 for unlimited. */
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private int maxConversations;
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/** The key of this conversation container in the session. */
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private String sessionKey;
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/** The contained conversations. A list of {@link ContainedConversation} objects. */
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private List<ContainedConversation> conversations;
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/** The sequence for unique conversation identifiers within this container. */
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private int conversationIdSequence;
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/**
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* Create a new conversation container.
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* @param maxConversations the max number of allowed concurrent conversations, -1 for unlimited
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* @param sessionKey the key of this conversation container in the session
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*/
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public ConversationContainer(int maxConversations, String sessionKey) {
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this.maxConversations = maxConversations;
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this.sessionKey = sessionKey;
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this.conversations = new ArrayList<ContainedConversation>();
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}
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/**
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* Return the key of this conversation container in the session.
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* For package level use only.
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*/
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String getSessionKey() {
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return sessionKey;
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}
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/**
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* Return the current size of the conversation container:
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* the number of conversations contained within it.
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*/
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public int size() {
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return conversations.size();
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}
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/**
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* Create a new conversation based on given parameters and add it to the container.
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* @param parameters descriptive conversation parameters
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* @param lock the conversation lock
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* @return the created conversation
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*/
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public synchronized Conversation createConversation(ConversationParameters parameters, ConversationLock lock) {
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ContainedConversation conversation = createContainedConversation(nextId(), lock);
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conversation.putAttribute("name", parameters.getName());
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conversation.putAttribute("caption", parameters.getCaption());
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conversation.putAttribute("description", parameters.getDescription());
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conversations.add(conversation);
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if (maxExceeded()) {
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if (logger.isDebugEnabled()) {
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logger.debug("The max number of flow executions has been exceeded for the current user. " +
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"Removing the oldest conversation with id: " + conversations.get(0).getId());
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}
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// end oldest conversation
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conversations.get(0).end();
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}
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return conversation;
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}
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protected ConversationId nextId() {
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return new SimpleConversationId(++conversationIdSequence);
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}
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/**
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* Return the identified conversation.
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* @param id the id to lookup
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* @return the conversation
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* @throws NoSuchConversationException if the conversation cannot be found
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*/
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public synchronized Conversation getConversation(ConversationId id) throws NoSuchConversationException {
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for (ContainedConversation conversation : conversations) {
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if (conversation.getId().equals(id)) {
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return conversation;
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}
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}
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throw new NoSuchConversationException(id);
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}
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protected final List<ContainedConversation> getConversations() {
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return conversations;
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}
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/**
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* Remove identified conversation from this container.
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*/
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public synchronized void removeConversation(ConversationId id) {
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for (Iterator<ContainedConversation> it = conversations.iterator(); it.hasNext();) {
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ContainedConversation conversation = it.next();
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if (conversation.getId().equals(id)) {
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it.remove();
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break;
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}
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}
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}
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/**
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* Has the maximum number of allowed concurrent conversations in the session been exceeded?
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*/
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private boolean maxExceeded() {
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return maxConversations > 0 && conversations.size() > maxConversations;
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}
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// Hook methods
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protected ContainedConversation createContainedConversation(ConversationId id, ConversationLock lock) {
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return new ContainedConversation(this, id, lock);
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}
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}
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/*
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* Copyright 2004-2015 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.webflow.conversation.impl;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.webflow.conversation.Conversation;
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import org.springframework.webflow.conversation.ConversationId;
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import org.springframework.webflow.conversation.ConversationParameters;
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import org.springframework.webflow.conversation.NoSuchConversationException;
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/**
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* Container for conversations that is stored in the session. When the session
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* expires this container will go with it, implicitly expiring all contained
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* conversations.
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*
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* <p>This is an internal helper class of the
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* {@link SessionBindingConversationManager}.
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*
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* @author Erwin Vervaet
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*/
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public class ConversationContainer implements Serializable {
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private static final Log logger = LogFactory.getLog(ConversationContainer.class);
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/** Maximum number of conversations in this container. -1 for unlimited. */
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private int maxConversations;
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/** The key of this conversation container in the session. */
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private String sessionKey;
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/** The contained conversations. A list of {@link ContainedConversation} objects. */
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private List<ContainedConversation> conversations;
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/** The sequence for unique conversation identifiers within this container. */
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private int conversationIdSequence;
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/**
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* Create a new conversation container.
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* @param maxConversations the max number of allowed concurrent conversations, -1 for unlimited
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* @param sessionKey the key of this conversation container in the session
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*/
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public ConversationContainer(int maxConversations, String sessionKey) {
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this.maxConversations = maxConversations;
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this.sessionKey = sessionKey;
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this.conversations = new ArrayList<ContainedConversation>();
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}
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/**
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* Return the key of this conversation container in the session.
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* For package level use only.
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*/
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String getSessionKey() {
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return sessionKey;
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}
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/**
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* Return the current size of the conversation container:
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* the number of conversations contained within it.
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*/
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public int size() {
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return conversations.size();
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}
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/**
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* Create a new conversation based on given parameters and add it to the container.
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* @param parameters descriptive conversation parameters
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* @param lock the conversation lock
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* @return the created conversation
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*/
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public synchronized Conversation createConversation(ConversationParameters parameters, ConversationLock lock) {
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ContainedConversation conversation = createContainedConversation(nextId(), lock);
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conversation.putAttribute("name", parameters.getName());
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conversation.putAttribute("caption", parameters.getCaption());
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conversation.putAttribute("description", parameters.getDescription());
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conversations.add(conversation);
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if (maxExceeded()) {
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if (logger.isDebugEnabled()) {
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logger.debug("The max number of flow executions has been exceeded for the current user. " +
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"Removing the oldest conversation with id: " + conversations.get(0).getId());
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}
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// end oldest conversation
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conversations.get(0).end();
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}
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return conversation;
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}
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protected ConversationId nextId() {
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return new SimpleConversationId(++conversationIdSequence);
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}
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/**
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* Return the identified conversation.
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* @param id the id to lookup
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* @return the conversation
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* @throws NoSuchConversationException if the conversation cannot be found
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*/
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public synchronized Conversation getConversation(ConversationId id) throws NoSuchConversationException {
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for (ContainedConversation conversation : conversations) {
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if (conversation.getId().equals(id)) {
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return conversation;
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}
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}
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throw new NoSuchConversationException(id);
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}
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protected final List<ContainedConversation> getConversations() {
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return conversations;
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}
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/**
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* Remove identified conversation from this container.
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*/
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public synchronized void removeConversation(ConversationId id) {
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for (Iterator<ContainedConversation> it = conversations.iterator(); it.hasNext();) {
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ContainedConversation conversation = it.next();
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if (conversation.getId().equals(id)) {
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it.remove();
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break;
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}
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}
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}
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/**
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* Has the maximum number of allowed concurrent conversations in the session been exceeded?
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*/
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private boolean maxExceeded() {
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return maxConversations > 0 && conversations.size() > maxConversations;
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}
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// Hook methods
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protected ContainedConversation createContainedConversation(ConversationId id, ConversationLock lock) {
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return new ContainedConversation(this, id, lock);
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}
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}
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