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package org.apache.camel.bam; |
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import java.util.Date; |
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import org.apache.camel.bam.model.ActivityState; |
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import org.apache.camel.bam.model.ProcessInstance; |
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import org.apache.camel.bam.rules.ActivityRules; |
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import org.apache.camel.bam.rules.TemporalRule; |
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import org.apache.camel.util.ObjectHelper; |
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public abstract class TimeExpression { |
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private ActivityRules activityRules; |
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private ActivityBuilder builder; |
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private ActivityLifecycle lifecycle; |
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public TimeExpression(ActivityBuilder builder, ActivityLifecycle lifecycle) { |
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this.lifecycle = lifecycle; |
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this.builder = builder; |
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this.activityRules = builder.getActivityRules(); |
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} |
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public boolean isActivityLifecycle(ActivityRules activityRules, ActivityLifecycle lifecycle) { |
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return ObjectHelper.equals(activityRules, this.activityRules) && ObjectHelper.equals(lifecycle, this.lifecycle); |
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} |
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public TemporalRule after(TimeExpression expression) { |
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TemporalRule rule = new TemporalRule(expression, this); |
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rule.getSecond().getActivityRules().addRule(rule); |
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return rule; |
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} |
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public Date evaluate(ProcessInstance processInstance) { |
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ActivityState state = processInstance.getActivityState(activityRules); |
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if (state != null) { |
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return evaluate(processInstance, state); |
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} |
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return null; |
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} |
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public abstract Date evaluate(ProcessInstance instance, ActivityState state); |
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public ActivityBuilder getBuilder() { |
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return builder; |
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} |
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public ActivityRules getActivityRules() { |
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return activityRules; |
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} |
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public ActivityLifecycle getLifecycle() { |
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return lifecycle; |
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} |
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public ActivityState getActivityState(ProcessInstance instance) { |
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return instance.getActivityState(activityRules); |
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} |
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public ActivityState getOrCreateActivityState(ProcessInstance instance) { |
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return instance.getOrCreateActivityState(activityRules); |
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} |
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} |