com.google.cloud.spring.storage.integration.inbound

Class GcsStreamingMessageSource

java.lang.Object

org.springframework.integration.util.AbstractExpressionEvaluator

org.springframework.integration.endpoint.AbstractMessageSource<T>

org.springframework.integration.endpoint.AbstractFetchLimitingMessageSource<InputStream>

org.springframework.integration.file.remote.AbstractRemoteFileStreamingMessageSource<BlobInfo>

com.google.cloud.spring.storage.integration.inbound.GcsStreamingMessageSource

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.BeanNameAware, org.springframework.beans.factory.DisposableBean, org.springframework.beans.factory.InitializingBean, org.springframework.context.Lifecycle, org.springframework.integration.core.MessageSource<InputStream>, org.springframework.integration.IntegrationPattern, org.springframework.integration.support.context.NamedComponent, org.springframework.integration.support.management.IntegrationInboundManagement, org.springframework.integration.support.management.IntegrationManagement, org.springframework.integration.support.management.ManageableLifecycle, org.springframework.integration.support.management.MessageSourceManagement

public class GcsStreamingMessageSource
extends org.springframework.integration.file.remote.AbstractRemoteFileStreamingMessageSource<BlobInfo>

A streaming message source for Google Cloud Storage.

Author:

João André Martins, Mike Eltsufin, Chengyuan Zhao, Lukas Gemela

Nested Class Summary

Nested classes/interfaces inherited from interface org.springframework.integration.support.management.IntegrationManagement

org.springframework.integration.support.management.IntegrationManagement.ManagementOverrides

Field Summary

Fields inherited from class org.springframework.integration.util.AbstractExpressionEvaluator

EXPRESSION_PARSER, logger

Fields inherited from interface org.springframework.integration.support.management.IntegrationManagement

METER_PREFIX, RECEIVE_COUNTER_NAME, SEND_TIMER_NAME

Constructor Summary

Constructors

Constructor and Description
GcsStreamingMessageSource(org.springframework.integration.file.remote.RemoteFileTemplate<BlobInfo> template)
GcsStreamingMessageSource(org.springframework.integration.file.remote.RemoteFileTemplate<BlobInfo> template, Comparator<BlobInfo> comparator) Creates a GcsStreamingMessageSource with a comparator which controls the order that files are processed in.

Method Summary

Modifier and Type	Method and Description
protected List<org.springframework.integration.file.remote.AbstractFileInfo<BlobInfo>>	asFileInfoList(Collection<BlobInfo> collection)
String	getComponentType()
protected boolean	isDirectory(BlobInfo blobInfo)
void	setRemoteFileSeparator(String remoteFileSeparator)

Methods inherited from class org.springframework.integration.file.remote.AbstractRemoteFileStreamingMessageSource

doInit, doReceive, doSetFilter, getRemoteFileTemplate, isRunning, onInit, poll, remotePath, rollbackFromFileToListEnd, setFileInfoJson, setFilter, setRemoteDirectory, setRemoteDirectoryExpression, start, stop

Methods inherited from class org.springframework.integration.endpoint.AbstractFetchLimitingMessageSource

doReceive, getMaxFetchSize, setMaxFetchSize

Methods inherited from class org.springframework.integration.endpoint.AbstractMessageSource

buildMessage, destroy, getBeanName, getComponentName, getManagedName, getManagedType, getOverrides, isLoggingEnabled, receive, registerMetricsCaptor, setBeanName, setHeaderExpressions, setLoggingEnabled, setManagedName, setManagedType

Methods inherited from class org.springframework.integration.util.AbstractExpressionEvaluator

afterPropertiesSet, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, getBeanFactory, getEvaluationContext, getEvaluationContext, getMessageBuilderFactory, setBeanFactory, setConversionService

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.springframework.integration.core.MessageSource

getIntegrationPatternType

Methods inherited from interface org.springframework.integration.support.management.IntegrationManagement

getThisAs

Constructor Detail

GcsStreamingMessageSource

public GcsStreamingMessageSource(org.springframework.integration.file.remote.RemoteFileTemplate<BlobInfo> template)

GcsStreamingMessageSource

public GcsStreamingMessageSource(org.springframework.integration.file.remote.RemoteFileTemplate<BlobInfo> template,
                                 Comparator<BlobInfo> comparator)

Creates a GcsStreamingMessageSource with a comparator which controls the order that files are processed in.

Parameters:

template - template making remote file calls to Google Cloud Storage

comparator - defines the order that files should be processed based on BlobInfo.

Since:

1.2

Method Detail

getComponentType

public String getComponentType()

setRemoteFileSeparator

public void setRemoteFileSeparator(String remoteFileSeparator)

Overrides:

setRemoteFileSeparator in class org.springframework.integration.file.remote.AbstractRemoteFileStreamingMessageSource<BlobInfo>

asFileInfoList

protected List<org.springframework.integration.file.remote.AbstractFileInfo<BlobInfo>> asFileInfoList(Collection<BlobInfo> collection)

Specified by:

asFileInfoList in class org.springframework.integration.file.remote.AbstractRemoteFileStreamingMessageSource<BlobInfo>

isDirectory

protected boolean isDirectory(BlobInfo blobInfo)

Specified by:

isDirectory in class org.springframework.integration.file.remote.AbstractRemoteFileStreamingMessageSource<BlobInfo>