001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.core.xml;
018
019 import java.util.concurrent.ExecutorService;
020 import java.util.concurrent.RejectedExecutionHandler;
021 import java.util.concurrent.TimeUnit;
022 import javax.xml.bind.annotation.XmlAccessType;
023 import javax.xml.bind.annotation.XmlAccessorType;
024 import javax.xml.bind.annotation.XmlAttribute;
025 import javax.xml.bind.annotation.XmlRootElement;
026 import javax.xml.bind.annotation.XmlTransient;
027 import javax.xml.bind.annotation.XmlType;
028 import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
029
030 import org.apache.camel.CamelContext;
031 import org.apache.camel.CamelContextAware;
032 import org.apache.camel.ThreadPoolRejectedPolicy;
033 import org.apache.camel.builder.xml.TimeUnitAdapter;
034 import org.apache.camel.model.IdentifiedType;
035
036 import static org.apache.camel.util.ObjectHelper.notNull;
037
038 /**
039 * A factory which instantiates {@link java.util.concurrent.ExecutorService} objects
040 *
041 * @version $Revision: 925208 $
042 */
043 @XmlAccessorType(XmlAccessType.FIELD)
044 public abstract class AbstractCamelThreadPoolFactoryBean extends IdentifiedType implements CamelContextAware {
045
046 @XmlAttribute(required = true)
047 private Integer poolSize;
048 @XmlAttribute
049 private Integer maxPoolSize;
050 @XmlAttribute
051 private Long keepAliveTime = 60L;
052 @XmlAttribute
053 @XmlJavaTypeAdapter(TimeUnitAdapter.class)
054 private TimeUnit timeUnit = TimeUnit.SECONDS;
055 @XmlAttribute
056 private Integer maxQueueSize = -1;
057 @XmlAttribute
058 private ThreadPoolRejectedPolicy rejectedPolicy = ThreadPoolRejectedPolicy.CallerRuns;
059 @XmlAttribute(required = true)
060 private String threadName;
061 @XmlAttribute
062 private Boolean daemon = Boolean.TRUE;
063 @XmlAttribute
064 private String camelContextId;
065 @XmlTransient
066 private CamelContext camelContext;
067
068 public Object getObject() throws Exception {
069 if (camelContext == null && camelContextId != null) {
070 camelContext = getCamelContextWithId(camelContextId);
071 }
072
073 notNull(camelContext, "camelContext");
074 if (poolSize == null || poolSize <= 0) {
075 throw new IllegalArgumentException("PoolSize must be a positive number");
076 }
077
078 int max = getMaxPoolSize() != null ? getMaxPoolSize() : getPoolSize();
079 RejectedExecutionHandler rejected = null;
080 if (rejectedPolicy != null) {
081 rejected = rejectedPolicy.asRejectedExecutionHandler();
082 }
083
084 ExecutorService answer = camelContext.getExecutorServiceStrategy().newThreadPool(getId(), getThreadName(), getPoolSize(), max,
085 getKeepAliveTime(), getTimeUnit(), getMaxQueueSize(), rejected, isDaemon());
086 return answer;
087 }
088
089 protected abstract CamelContext getCamelContextWithId(String camelContextId);
090
091 public Class getObjectType() {
092 return ExecutorService.class;
093 }
094
095 public boolean isSingleton() {
096 return true;
097 }
098
099 public Integer getPoolSize() {
100 return poolSize;
101 }
102
103 public void setPoolSize(Integer poolSize) {
104 this.poolSize = poolSize;
105 }
106
107 public Integer getMaxPoolSize() {
108 return maxPoolSize;
109 }
110
111 public void setMaxPoolSize(Integer maxPoolSize) {
112 this.maxPoolSize = maxPoolSize;
113 }
114
115 public Long getKeepAliveTime() {
116 return keepAliveTime;
117 }
118
119 public void setKeepAliveTime(Long keepAliveTime) {
120 this.keepAliveTime = keepAliveTime;
121 }
122
123 public TimeUnit getTimeUnit() {
124 return timeUnit;
125 }
126
127 public void setTimeUnit(TimeUnit timeUnit) {
128 this.timeUnit = timeUnit;
129 }
130
131 public Integer getMaxQueueSize() {
132 return maxQueueSize;
133 }
134
135 public void setMaxQueueSize(Integer maxQueueSize) {
136 this.maxQueueSize = maxQueueSize;
137 }
138
139 public ThreadPoolRejectedPolicy getRejectedPolicy() {
140 return rejectedPolicy;
141 }
142
143 public void setRejectedPolicy(ThreadPoolRejectedPolicy rejectedPolicy) {
144 this.rejectedPolicy = rejectedPolicy;
145 }
146
147 public String getThreadName() {
148 return threadName;
149 }
150
151 public void setThreadName(String threadName) {
152 this.threadName = threadName;
153 }
154
155 public Boolean isDaemon() {
156 return daemon;
157 }
158
159 public void setDaemon(Boolean daemon) {
160 this.daemon = daemon;
161 }
162
163 public String getCamelContextId() {
164 return camelContextId;
165 }
166
167 public void setCamelContextId(String camelContextId) {
168 this.camelContextId = camelContextId;
169 }
170
171 public CamelContext getCamelContext() {
172 return camelContext;
173 }
174
175 public void setCamelContext(CamelContext camelContext) {
176 this.camelContext = camelContext;
177 }
178
179 }