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/*
 *  PersistentNewDeleted.java    March 10, 2000    Steffi Rauschenbach
 */

package com.sun.jdo.spi.persistence.support.sqlstore.state;

import com.sun.jdo.api.persistence.support.JDOUserException;
import com.sun.jdo.spi.persistence.utility.I18NHelper;
import com.sun.jdo.spi.persistence.support.sqlstore.ActionDesc;

import java.util.ResourceBundle;

public class PersistentNewDeleted extends LifeCycleState {
    /**
     * I18N message handler
     */
    private final static ResourceBundle messages = I18NHelper.loadBundle(
            "com.sun.jdo.spi.persistence.support.sqlstore.Bundle", // NOI18N
            PersistentNewDeleted.class.getClassLoader());

    public PersistentNewDeleted() {
        // these flags are set only in the constructor
        // and shouldn't be changed afterwards
        // (cannot make them final since they are declared in superclass
        // but their values are specific to subclasses)
        isPersistent = true;
        isPersistentInDataStore = false;
        isTransactional = true;
        isDirty = true;
        isNew = true;
        isDeleted = true;
        isNavigable = false;
        isRefreshable = false;
        isBeforeImageUpdatable = false;
        needsRegister = true;
        needsReload = false;
        needsRestoreOnRollback = true;
        updateAction = ActionDesc.LOG_NOOP;

        // The following flag allows merge
        needMerge = false;

        stateType = P_NEW_DELETED;
    }

    public LifeCycleState transitionCommit(boolean retainValues) {
        return changeState(TRANSIENT);
    }

    public LifeCycleState transitionRollback(boolean retainValues) {
        return changeState(TRANSIENT);
    }

    public LifeCycleState transitionReadField(boolean optimisitic, boolean nontransactonalRead,
                                              boolean transactionActive) {
        // Cannot read a deleted object
        throw new JDOUserException(I18NHelper.getMessage(messages,
                "jdo.lifecycle.deleted.accessField")); // NOI18N
    }

    public LifeCycleState transitionWriteField(boolean transactionActive) {
        // Cannot update a deleted object
        throw new JDOUserException(I18NHelper.getMessage(messages,
                "jdo.lifecycle.deleted.accessField")); // NOI18N
    }


    public boolean needsRestoreOnRollback(boolean retainValues) {
        //
        // This is a special case where retores doesn't depend on
        // retainValues.
        //
        return needsRestoreOnRollback;
    }
}