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

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Here is the source code for org.activiti.engine.impl.persistence.entity.HistoricDetailVariableInstanceUpdateEntity.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 org.activiti.engine.history.HistoricVariableUpdate;
import org.activiti.engine.impl.context.Context;
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 Tom Baeyens
 */
public class HistoricDetailVariableInstanceUpdateEntity extends HistoricDetailEntity
        implements ValueFields, HistoricVariableUpdate, PersistentObject, HasRevision {

    private static final long serialVersionUID = 1L;

    protected int revision;

    protected String name;
    protected VariableType variableType;

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

    protected Object cachedValue;

    protected HistoricDetailVariableInstanceUpdateEntity() {
    }

    public static HistoricDetailVariableInstanceUpdateEntity copyAndInsert(
            VariableInstanceEntity variableInstance) {
        HistoricDetailVariableInstanceUpdateEntity historicVariableUpdate = new HistoricDetailVariableInstanceUpdateEntity();
        historicVariableUpdate.processInstanceId = variableInstance.getProcessInstanceId();
        historicVariableUpdate.executionId = variableInstance.getExecutionId();
        historicVariableUpdate.taskId = variableInstance.getTaskId();
        historicVariableUpdate.time = Context.getProcessEngineConfiguration().getClock().getCurrentTime();
        historicVariableUpdate.revision = variableInstance.getRevision();
        historicVariableUpdate.name = variableInstance.getName();
        historicVariableUpdate.variableType = variableInstance.getType();
        historicVariableUpdate.textValue = variableInstance.getTextValue();
        historicVariableUpdate.textValue2 = variableInstance.getTextValue2();
        historicVariableUpdate.doubleValue = variableInstance.getDoubleValue();
        historicVariableUpdate.longValue = variableInstance.getLongValue();

        if (variableInstance.getBytes() != null) {
            String byteArrayName = "hist.detail.var-" + variableInstance.getName();
            historicVariableUpdate.byteArrayRef.setValue(byteArrayName, variableInstance.getBytes());
        }

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

        return historicVariableUpdate;
    }

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

    public void delete() {
        super.delete();

        byteArrayRef.delete();
    }

    public Object getPersistentState() {
        // HistoricDetailVariableInstanceUpdateEntity is immutable, so always the same object is returned
        return HistoricDetailVariableInstanceUpdateEntity.class;
    }

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

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

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

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

    @Override
    public void setBytes(byte[] bytes) {
        throw new UnsupportedOperationException("HistoricDetailVariableInstanceUpdateEntity is immutable");
    }

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

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

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

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

    public int getRevision() {
        return revision;
    }

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

    public String getVariableName() {
        return name;
    }

    public String getName() {
        return name;
    }

    public VariableType getVariableType() {
        return variableType;
    }

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

    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;
    }

    // misc methods /////////////////////////////////////////////////////////////

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("HistoricDetailVariableInstanceUpdateEntity[");
        sb.append("id=").append(id);
        sb.append(", name=").append(name);
        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();
    }

}