Example usage for com.amazonaws.services.simpledb.model GetAttributesRequest GetAttributesRequest

List of usage examples for com.amazonaws.services.simpledb.model GetAttributesRequest GetAttributesRequest

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Introduction

In this page you can find the example usage for com.amazonaws.services.simpledb.model GetAttributesRequest GetAttributesRequest.

Prototype

public GetAttributesRequest(String domainName, String itemName)

Source Link

Document

Constructs a new GetAttributesRequest object.

Usage

From source file:com.aipo.aws.simpledb.SimpleDB.java

License:Open Source License

/**
 * /*from  w  w w . ja va  2s  .  c o  m*/
 * @param <M>
 * @param client
 * @param rootClass
 * @param domain
 * @param itemName
 * @return
 */
public static <M> M get(AmazonSimpleDB client, Class<M> rootClass, String domain, String itemName) {
    try {
        M model = rootClass.newInstance();
        if (model instanceof ResultItem) {
            GetAttributesResult result = client
                    .getAttributes(new GetAttributesRequest(domain, itemName).withConsistentRead(true));
            ResultItem item = (ResultItem) model;
            item.assign(itemName, result);
        }
        return model;
    } catch (InstantiationException e) {
        //
    } catch (IllegalAccessException e) {
        //
    }

    return null;
}

From source file:com.amazon.aws.demo.anonymous.sdb.SimpleDB.java

License:Open Source License

public static HashMap<String, String> getAttributesForItem(String domainName, String itemName) {
    GetAttributesRequest getRequest = new GetAttributesRequest(domainName, itemName).withConsistentRead(true);
    GetAttributesResult getResult = getInstance().getAttributes(getRequest);

    HashMap<String, String> attributes = new HashMap<String, String>(30);
    for (Object attribute : getResult.getAttributes()) {
        String name = ((Attribute) attribute).getName();
        String value = ((Attribute) attribute).getValue();

        attributes.put(name, value);// w ww  . j  a v  a 2 s.c  o m
    }

    return attributes;
}

From source file:com.dateofrock.simpledbmapper.SimpleDBMapper.java

License:Apache License

/**
 * SimpleDB????//from  ww  w.j a v  a 2 s. c  o  m
 * 
 * @param object
 *            {@link SimpleDBDomain}????POJO
 *            {@link SimpleDBVersionAttribute}
 *            ??????????????<a href=
 *            "http://docs.amazonwebservices.com/AmazonSimpleDB/latest/DeveloperGuide/ConditionalDelete.html"
 *            >Conditional Delete</a>????
 */
public void delete(Object object) {
    String domainName = this.reflector.getDomainName(object.getClass());
    Field itemNameField = this.reflector.findItemNameField(object.getClass());
    String itemName = this.reflector.encodeItemNameAsSimpleDBFormat(object, itemNameField);

    // S3 Blob
    GetAttributesResult results = this.sdb.getAttributes(new GetAttributesRequest(domainName, itemName));
    List<Attribute> sdbAllAttrs = results.getAttributes();
    Set<Field> blobFields = this.reflector.findBlobFields(object.getClass());
    List<S3TaskResult> s3TaskResults = new ArrayList<S3TaskResult>();
    for (Field field : blobFields) {
        SimpleDBBlob blobAnnon = field.getAnnotation(SimpleDBBlob.class);
        String attributeName = blobAnnon.attributeName();
        for (Attribute attr : sdbAllAttrs) {
            if (attr.getName().equals(attributeName)) {
                S3TaskResult taskResult = new S3TaskResult(Operation.DELETE, attributeName, null, null);
                taskResult.setSimpleDBAttributeValue(attr.getValue());
                s3TaskResults.add(taskResult);
            }
        }
    }

    DeleteAttributesRequest req = new DeleteAttributesRequest(domainName, itemName);
    // version?????Conditional Delete
    Field versionField = this.reflector.findVersionAttributeField(object.getClass());
    if (versionField != null) {
        try {
            Object versionObject = versionField.get(object);
            String versionAttributeName = versionField.getAnnotation(SimpleDBVersionAttribute.class)
                    .attributeName();
            if (versionObject != null) {
                if (versionObject instanceof Long) {
                    Long currentVersion = (Long) versionObject;
                    UpdateCondition expected = new UpdateCondition();
                    expected.setName(versionAttributeName);
                    expected.setValue(currentVersion.toString());
                    req.setExpected(expected);
                } else {
                    throw new SimpleDBMapperException(
                            "version?Long???????" + versionField);
                }
            }
        } catch (Exception e) {
            throw new SimpleDBMapperException("object?version??: " + object, e);
        }
    }
    this.sdb.deleteAttributes(req);

    // S3
    for (S3TaskResult s3TaskResult : s3TaskResults) {
        this.s3.deleteObject(s3TaskResult.getBucketName(), s3TaskResult.getKey());
    }
}

From source file:com.threepillar.labs.quartz.simpledb.SimpleDbJobStore.java

License:Apache License

/**
 * <p>/*from w  w w  .  j  a  va2  s.c o  m*/
 * Retrieve the <code>{@link org.quartz.JobDetail}</code> for the given
 * <code>{@link org.quartz.Job}</code>.
 * </p>
 *
 * @param jobName   The name of the <code>Job</code> to be retrieved.
 * @param groupName The group name of the <code>Job</code> to be retrieved.
 * @return The desired <code>Job</code>, or null if there is no match.
 */
@Override
public JobDetail retrieveJob(SchedulingContext ctxt, String jobName, String groupName) {
    logDebug("Retrieving Job: ", groupName, ".", jobName);
    String key = JobWrapper.getJobNameKey(jobName, groupName);
    GetAttributesResult result = amazonSimpleDb
            .getAttributes(new GetAttributesRequest(jobDomain, key).withConsistentRead(Boolean.TRUE));
    try {
        return jobDetailFromAttributes(result.getAttributes());
    } catch (IOException e) {
        log.error("Could not retrieve Job: " + groupName + "." + jobName, e);
        return null;
    }
}

From source file:com.threepillar.labs.quartz.simpledb.SimpleDbJobStore.java

License:Apache License

/**
 * <p>//  w  w w .  j av  a  2 s .  c  o  m
 * Retrieve the given <code>{@link org.quartz.Trigger}</code>.
 * </p>
 *
 * @param triggerName The name of the <code>Trigger</code> to be retrieved.
 * @param groupName   The group name of the <code>Trigger</code> to be retrieved.
 * @return The desired <code>Trigger</code>, or null if there is no match.
 */
@Override
public Trigger retrieveTrigger(SchedulingContext ctxt, String triggerName, String groupName) {
    logDebug("Retrieving Trigger: ", triggerName, ".", groupName);
    String key = TriggerWrapper.getTriggerNameKey(triggerName, groupName);
    GetAttributesResult result = amazonSimpleDb
            .getAttributes(new GetAttributesRequest(triggerDomain, key).withConsistentRead(Boolean.TRUE));
    TriggerWrapper tw = null;
    try {
        tw = triggerFromAttributes(result.getAttributes());
        return tw.trigger;
    } catch (IOException e) {
        logDebug("Trigger not found: ", triggerName, ".", groupName, e);
        return null;
    }
}

From source file:com.threepillar.labs.quartz.simpledb.SimpleDbJobStore.java

License:Apache License

/**
 * <p>/* ww  w.jav a2s.  com*/
 * Get the current state of the identified <code>{@link Trigger}</code>.
 * </p>
 *
 * @see Trigger#STATE_NORMAL
 * @see Trigger#STATE_PAUSED
 * @see Trigger#STATE_COMPLETE
 * @see Trigger#STATE_ERROR
 * @see Trigger#STATE_BLOCKED
 * @see Trigger#STATE_NONE
 */
@Override
public int getTriggerState(SchedulingContext ctxt, String triggerName, String groupName)
        throws JobPersistenceException {
    logDebug("Finding state of Trigger: ", triggerName, ".", groupName);
    String key = TriggerWrapper.getTriggerNameKey(triggerName, groupName);

    GetAttributesResult result = amazonSimpleDb
            .getAttributes(new GetAttributesRequest(triggerDomain, key).withConsistentRead(Boolean.TRUE));

    TriggerWrapper tw;
    try {
        tw = triggerFromAttributes(result.getAttributes());
    } catch (IOException e) {
        log.error("Error finding state of Trigger: " + triggerName + "." + groupName, e);
        return Trigger.STATE_NONE;
    }

    if (tw == null) {
        return Trigger.STATE_NONE;
    }

    switch (tw.state) {
    case TriggerWrapper.STATE_COMPLETE:
        return Trigger.STATE_COMPLETE;
    case TriggerWrapper.STATE_PAUSED:
        return Trigger.STATE_PAUSED;
    case TriggerWrapper.STATE_PAUSED_BLOCKED:
        return Trigger.STATE_PAUSED;
    case TriggerWrapper.STATE_BLOCKED:
        return Trigger.STATE_BLOCKED;
    case TriggerWrapper.STATE_ERROR:
        return Trigger.STATE_ERROR;
    default:
        return Trigger.STATE_NORMAL;
    }

}

From source file:com.threepillar.labs.quartz.simpledb.SimpleDbJobStore.java

License:Apache License

/**
 * <p>//from   w w w.j  av a  2s  .  c o m
 * Pause the <code>{@link Trigger}</code> with the given name.
 * </p>
 */
@Override
public void pauseTrigger(SchedulingContext ctxt, String triggerName, String groupName) {
    logDebug("Pausing Trigger: ", triggerName, ".", groupName);
    String key = TriggerWrapper.getTriggerNameKey(triggerName, groupName);
    GetAttributesResult result = amazonSimpleDb
            .getAttributes(new GetAttributesRequest(triggerDomain, key).withConsistentRead(Boolean.TRUE));
    TriggerWrapper tw = null;

    try {
        tw = triggerFromAttributes(result.getAttributes());
    } catch (IOException e) {
        log.error("Could not create trigger for Item: " + result.toString(), e);
    }

    // does the trigger exist?
    if (tw == null || tw.trigger == null) {
        return;
    }

    // if the trigger is "complete" pausing it does not make sense...
    if (tw.state == TriggerWrapper.STATE_COMPLETE) {
        return;
    }

    if (tw.state == TriggerWrapper.STATE_BLOCKED) {
        tw.state = TriggerWrapper.STATE_PAUSED_BLOCKED;
    } else {
        tw.state = TriggerWrapper.STATE_PAUSED;
    }

    updateState(tw);

}

From source file:com.threepillar.labs.quartz.simpledb.SimpleDbJobStore.java

License:Apache License

/**
 * <p>//www .ja v a2 s .  c om
 * Resume (un-pause) the <code>{@link Trigger}</code> with the given name.
 * </p>
 * <p/>
 * <p>
 * If the <code>Trigger</code> missed one or more fire-times, then the
 * <code>Trigger</code>'s misfire instruction will be applied.
 * </p>
 */
@Override
public void resumeTrigger(SchedulingContext ctxt, String triggerName, String groupName) {
    logDebug("Resuming Trigger: ", triggerName, ".", groupName);
    String key = TriggerWrapper.getTriggerNameKey(triggerName, groupName);

    GetAttributesResult result = amazonSimpleDb
            .getAttributes(new GetAttributesRequest(triggerDomain, key).withConsistentRead(Boolean.TRUE));
    TriggerWrapper tw = null;

    try {
        tw = triggerFromAttributes(result.getAttributes());
    } catch (IOException e) {
        log.error("Could not create trigger for Item: " + result.toString());
    }

    // does the trigger exist?
    if (tw == null || tw.trigger == null) {
        return;
    }

    // if the trigger is not paused resuming it does not make sense...
    if (tw.state != TriggerWrapper.STATE_PAUSED && tw.state != TriggerWrapper.STATE_PAUSED_BLOCKED) {
        return;
    }
    applyMisfire(tw);

}

From source file:com.threepillar.labs.quartz.simpledb.SimpleDbJobStore.java

License:Apache License

/**
 * <p>//w  ww.  ja va  2s .  c o m
 * Inform the <code>JobStore</code> that the scheduler no longer plans to
 * fire the given <code>Trigger</code>, that it had previously acquired
 * (reserved).
 * </p>
 */
@Override
public void releaseAcquiredTrigger(SchedulingContext ctxt, Trigger trigger) {
    logDebug("Releasing Trigger: ", trigger.getFullName());
    String key = TriggerWrapper.getTriggerNameKey(trigger);
    GetAttributesResult result = amazonSimpleDb
            .getAttributes(new GetAttributesRequest(triggerDomain, key).withConsistentRead(Boolean.TRUE));
    try {
        TriggerWrapper tw = triggerFromAttributes(result.getAttributes());
        if (tw.state == TriggerWrapper.STATE_ACQUIRED) {
            tw.state = TriggerWrapper.STATE_WAITING;
            updateState(tw);
        }
    } catch (IOException e) {
        log.error("Could not release Trigger: " + trigger.getFullName(), e);
    }
}

From source file:com.threepillar.labs.quartz.simpledb.SimpleDbJobStore.java

License:Apache License

/**
 * <p>//  w w  w. ja v  a  2s . c  om
 * Inform the <code>JobStore</code> that the scheduler is now firing the
 * given <code>Trigger</code> (executing its associated <code>Job</code>),
 * that it had previously acquired (reserved).
 * </p>
 */
@Override
public TriggerFiredBundle triggerFired(SchedulingContext ctxt, Trigger trigger) {

    logDebug("Fired Trigger: ", trigger.getFullName());
    String key = TriggerWrapper.getTriggerNameKey(trigger);
    GetAttributesResult result = amazonSimpleDb
            .getAttributes(new GetAttributesRequest(triggerDomain, key).withConsistentRead(Boolean.TRUE));
    TriggerWrapper tw = null;
    try {
        tw = triggerFromAttributes(result.getAttributes());
    } catch (IOException e) {
        log.error("Could not load Trigger: " + trigger.getFullName(), e);
    }

    // was the trigger deleted since being acquired?
    if (tw == null || tw.trigger == null) {
        return null;
    }
    // was the trigger completed, paused, blocked, etc. since being
    // acquired?
    if (tw.state != TriggerWrapper.STATE_ACQUIRED) {
        return null;
    }

    Calendar cal = null;
    if (tw.trigger.getCalendarName() != null) {
        cal = retrieveCalendar(ctxt, tw.trigger.getCalendarName());
        if (cal == null)
            return null;
    }
    Date prevFireTime = trigger.getPreviousFireTime();
    // call triggered on our copy, and the scheduler's copy
    tw.trigger.triggered(cal);
    trigger.triggered(cal);

    try {
        removeTrigger(ctxt, trigger.getName(), trigger.getGroup());
        storeTrigger(ctxt, trigger, true);
        tw.state = TriggerWrapper.STATE_WAITING;
        updateState(tw);
    } catch (JobPersistenceException e) {
        log.error("Error while firing Trigger: " + trigger.getFullName(), e);
    }

    TriggerFiredBundle bndle = new TriggerFiredBundle(
            retrieveJob(ctxt, trigger.getJobName(), trigger.getJobGroup()), trigger, cal, false, new Date(),
            trigger.getPreviousFireTime(), prevFireTime, trigger.getNextFireTime());

    // JobDetail job = bndle.getJobDetail();
    // TODO: Handle concurrent job execution

    return bndle;
}