com.effektif.workflow.impl.job.RelativeTimeImpl.java Source code

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Here is the source code for com.effektif.workflow.impl.job.RelativeTimeImpl.java

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/* Copyright (c) 2014, Effektif GmbH.
 * 
 * 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 com.effektif.workflow.impl.job;

import org.joda.time.LocalDateTime;

import com.effektif.workflow.api.model.RelativeTime;
import com.effektif.workflow.impl.WorkflowParser;
import com.effektif.workflow.impl.util.Time;
import com.effektif.workflow.impl.workflow.BindingImpl;
import com.effektif.workflow.impl.workflowinstance.ActivityInstanceImpl;

/**
 * @author Tom Baeyens
 */
public class RelativeTimeImpl {

    protected RelativeTime relativeTime;
    protected BindingImpl<LocalDateTime> base;

    public RelativeTimeImpl(RelativeTime relativeTime, WorkflowParser workflowParser) {
        this.relativeTime = relativeTime;
        if (relativeTime.getBase() != null) {
            base = workflowParser.parseBinding(relativeTime.getBase(), "relative time base");
        }
    }

    public LocalDateTime resolve(ActivityInstanceImpl activityInstance) {
        LocalDateTime baseTime = null;
        if (activityInstance != null && base != null) {
            baseTime = activityInstance.getValue(base);
        }
        if (baseTime == null) {
            baseTime = Time.now();
        }
        LocalDateTime time = relativeTime.resolve(baseTime);
        return time;
    }
}