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package org.apache.camel.bam.model; |
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import org.apache.camel.bam.rules.ActivityRules; |
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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 javax.persistence.CascadeType; |
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import javax.persistence.Entity; |
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import javax.persistence.FetchType; |
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import javax.persistence.GeneratedValue; |
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import javax.persistence.Id; |
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import javax.persistence.ManyToOne; |
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import javax.persistence.OneToMany; |
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import java.util.Collection; |
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import java.util.Date; |
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import java.util.HashSet; |
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@Entity |
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public class ProcessInstance extends TemporalEntity { |
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private static final transient Log log = LogFactory.getLog(ProcessInstance.class); |
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private ProcessDefinition processDefinition; |
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private Collection<ActivityState> activityStates = new HashSet<ActivityState>(); |
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private String correlationKey; |
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public ProcessInstance() { |
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setTimeStarted(new Date()); |
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} |
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public String toString() { |
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return getClass().getName() + "[id: " + getId() + ", key: " + getCorrelationKey() + "]"; |
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} |
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@Override |
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@Id |
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@GeneratedValue |
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public Long getId() { |
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return super.getId(); |
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} |
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@ManyToOne(fetch = FetchType.LAZY, cascade = {CascadeType.PERSIST}) |
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public ProcessDefinition getProcessDefinition() { |
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return processDefinition; |
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} |
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public void setProcessDefinition(ProcessDefinition processDefinition) { |
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this.processDefinition = processDefinition; |
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} |
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@OneToMany(mappedBy = "processInstance", fetch = FetchType.LAZY, cascade = {CascadeType.ALL}) |
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public Collection<ActivityState> getActivityStates() { |
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return activityStates; |
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} |
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public void setActivityStates(Collection<ActivityState> activityStates) { |
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this.activityStates = activityStates; |
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} |
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public String getCorrelationKey() { |
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return correlationKey; |
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} |
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public void setCorrelationKey(String correlationKey) { |
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this.correlationKey = correlationKey; |
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} |
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public ActivityState getActivityState(ActivityRules activityRules) { |
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for (ActivityState activityState : getActivityStates()) { |
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if (activityState.isActivity(activityRules)) { |
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return activityState; |
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} |
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} |
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return null; |
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} |
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public ActivityState getOrCreateActivityState(ActivityRules activityRules) { |
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ActivityState state = getActivityState(activityRules); |
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if (state == null) { |
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state = createActivityState(); |
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state.setProcessInstance(this); |
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state.setActivityDefinition(activityRules.getActivityDefinition()); |
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} |
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return state; |
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} |
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protected ActivityState createActivityState() { |
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return new ActivityState(); |
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} |
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} |