org.activiti.engine.impl.persistence.entity.HistoricVariableInstanceEntity.java Source code

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Here is the source code for org.activiti.engine.impl.persistence.entity.HistoricVariableInstanceEntity.java

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/* 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 org.activiti.engine.impl.persistence.entity;

import java.io.Serializable;
import java.util.Date;
import java.util.HashMap;

import org.activiti.engine.history.HistoricVariableInstance;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.db.BulkDeleteable;
import org.activiti.engine.impl.db.HasRevision;
import org.activiti.engine.impl.db.PersistentObject;
import org.activiti.engine.impl.variable.ValueFields;
import org.activiti.engine.impl.variable.VariableType;
import org.apache.commons.lang3.StringUtils;

/**
 * @author Christian Lipphardt (camunda)
 * @author Joram Barrez
 */
public class HistoricVariableInstanceEntity implements ValueFields, HistoricVariableInstance, PersistentObject,
        HasRevision, BulkDeleteable, Serializable {

    private static final long serialVersionUID = 1L;

    protected String id;
    protected int revision;

    protected String name;
    protected VariableType variableType;

    protected String processInstanceId;
    protected String executionId;
    protected String taskId;

    protected Date createTime;
    protected Date lastUpdatedTime;

    protected Long longValue;
    protected Double doubleValue;
    protected String textValue;
    protected String textValue2;
    protected final ByteArrayRef byteArrayRef = new ByteArrayRef();

    protected Object cachedValue;

    // Default constructor for SQL mapping
    protected HistoricVariableInstanceEntity() {
    }

    public static HistoricVariableInstanceEntity copyAndInsert(VariableInstanceEntity variableInstance) {
        HistoricVariableInstanceEntity historicVariableInstance = new HistoricVariableInstanceEntity();
        historicVariableInstance.id = variableInstance.getId();
        historicVariableInstance.processInstanceId = variableInstance.getProcessInstanceId();
        historicVariableInstance.executionId = variableInstance.getExecutionId();
        historicVariableInstance.taskId = variableInstance.getTaskId();
        historicVariableInstance.revision = variableInstance.getRevision();
        historicVariableInstance.name = variableInstance.getName();
        historicVariableInstance.variableType = variableInstance.getType();

        historicVariableInstance.copyValue(variableInstance);

        Date time = Context.getProcessEngineConfiguration().getClock().getCurrentTime();
        historicVariableInstance.setCreateTime(time);
        historicVariableInstance.setLastUpdatedTime(time);

        Context.getCommandContext().getDbSqlSession().insert(historicVariableInstance);

        return historicVariableInstance;
    }

    public void copyValue(VariableInstanceEntity variableInstance) {
        this.textValue = variableInstance.getTextValue();
        this.textValue2 = variableInstance.getTextValue2();
        this.doubleValue = variableInstance.getDoubleValue();
        this.longValue = variableInstance.getLongValue();

        this.variableType = variableInstance.getType();
        if (variableInstance.getByteArrayValueId() != null) {
            setByteArrayValue(variableInstance.getByteArrayValue().getBytes());
        }

        this.lastUpdatedTime = Context.getProcessEngineConfiguration().getClock().getCurrentTime();
    }

    public void delete() {
        Context.getCommandContext().getDbSqlSession().delete(this);

        byteArrayRef.delete();
    }

    public Object getPersistentState() {
        HashMap<String, Object> persistentState = new HashMap<String, Object>();

        persistentState.put("textValue", textValue);
        persistentState.put("textValue2", textValue2);
        persistentState.put("doubleValue", doubleValue);
        persistentState.put("longValue", longValue);
        persistentState.put("byteArrayRef", byteArrayRef.getId());

        persistentState.put("createTime", createTime);
        persistentState.put("lastUpdatedTime", lastUpdatedTime);

        return persistentState;
    }

    public int getRevisionNext() {
        return revision + 1;
    }

    public Object getValue() {
        if (!variableType.isCachable() || cachedValue == null) {
            cachedValue = variableType.getValue(this);
        }
        return cachedValue;
    }

    // byte array value /////////////////////////////////////////////////////////

    @Override
    public byte[] getBytes() {
        return byteArrayRef.getBytes();
    }

    @Override
    public void setBytes(byte[] bytes) {
        byteArrayRef.setValue("hist.var-" + name, bytes);
    }

    @Override
    @Deprecated
    public ByteArrayEntity getByteArrayValue() {
        return byteArrayRef.getEntity();
    }

    @Override
    @Deprecated
    public String getByteArrayValueId() {
        return byteArrayRef.getId();
    }

    @Override
    @Deprecated
    public void setByteArrayValue(byte[] bytes) {
        setBytes(bytes);
    }

    // getters and setters //////////////////////////////////////////////////////

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getVariableTypeName() {
        return (variableType != null ? variableType.getTypeName() : null);
    }

    public String getVariableName() {
        return name;
    }

    public VariableType getVariableType() {
        return variableType;
    }

    public int getRevision() {
        return revision;
    }

    public void setRevision(int revision) {
        this.revision = revision;
    }

    public String getName() {
        return name;
    }

    public Long getLongValue() {
        return longValue;
    }

    public void setLongValue(Long longValue) {
        this.longValue = longValue;
    }

    public Double getDoubleValue() {
        return doubleValue;
    }

    public void setDoubleValue(Double doubleValue) {
        this.doubleValue = doubleValue;
    }

    public String getTextValue() {
        return textValue;
    }

    public void setTextValue(String textValue) {
        this.textValue = textValue;
    }

    public String getTextValue2() {
        return textValue2;
    }

    public void setTextValue2(String textValue2) {
        this.textValue2 = textValue2;
    }

    public Object getCachedValue() {
        return cachedValue;
    }

    public void setCachedValue(Object cachedValue) {
        this.cachedValue = cachedValue;
    }

    public void setVariableType(VariableType variableType) {
        this.variableType = variableType;
    }

    public void setProcessInstanceId(String processInstanceId) {
        this.processInstanceId = processInstanceId;
    }

    public String getProcessInstanceId() {
        return processInstanceId;
    }

    public String getTaskId() {
        return taskId;
    }

    public void setTaskId(String taskId) {
        this.taskId = taskId;
    }

    public Date getCreateTime() {
        return createTime;
    }

    public void setCreateTime(Date createTime) {
        this.createTime = createTime;
    }

    public Date getLastUpdatedTime() {
        return lastUpdatedTime;
    }

    public void setLastUpdatedTime(Date lastUpdatedTime) {
        this.lastUpdatedTime = lastUpdatedTime;
    }

    public String getExecutionId() {
        return executionId;
    }

    public void setExecutionId(String executionId) {
        this.executionId = executionId;
    }

    public Date getTime() {
        return getCreateTime();
    }

    // common methods  //////////////////////////////////////////////////////////

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("HistoricVariableInstanceEntity[");
        sb.append("id=").append(id);
        sb.append(", name=").append(name);
        sb.append(", revision=").append(revision);
        sb.append(", type=").append(variableType != null ? variableType.getTypeName() : "null");
        if (longValue != null) {
            sb.append(", longValue=").append(longValue);
        }
        if (doubleValue != null) {
            sb.append(", doubleValue=").append(doubleValue);
        }
        if (textValue != null) {
            sb.append(", textValue=").append(StringUtils.abbreviate(textValue, 40));
        }
        if (textValue2 != null) {
            sb.append(", textValue2=").append(StringUtils.abbreviate(textValue2, 40));
        }
        if (byteArrayRef.getId() != null) {
            sb.append(", byteArrayValueId=").append(byteArrayRef.getId());
        }
        sb.append("]");
        return sb.toString();
    }

}