com.apollographql.apollo.api.cache.http

Interface HttpCache

public interface HttpCache

Http GraphQL http request / response cache.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CACHE_EXPIRE_AFTER_READ_HEADER Expire cached response flag http header
static java.lang.String	CACHE_EXPIRE_TIMEOUT_HEADER Cached response expiration timeout http header
static java.lang.String	CACHE_FETCH_STRATEGY_HEADER Cache fetch strategy http header
static java.lang.String	CACHE_KEY_HEADER Cache key http header
static java.lang.String	CACHE_PREFETCH_HEADER Prefetch response only flag http header
static java.lang.String	CACHE_SERVED_DATE_HEADER Request served Date/time http header

Method Summary

Modifier and Type	Method and Description
void	clear() Clear cached http responses
okhttp3.Interceptor	interceptor() Provide http cache interceptor to be injected into OkHttpClient.interceptors.
okhttp3.Response	read(java.lang.String cacheKey) Read cached http response by key
okhttp3.Response	read(java.lang.String cacheKey, boolean expireAfterRead) Read and remove cached http response by key if expireAfterRead == true
void	remove(java.lang.String cacheKey) Remove cached http response by key.
void	removeQuietly(java.lang.String cacheKey) Remove cached http response by key and suppress any exception

Field Detail

CACHE_KEY_HEADER

static final java.lang.String CACHE_KEY_HEADER

Cache key http header

See Also:

Constant Field Values

CACHE_FETCH_STRATEGY_HEADER

static final java.lang.String CACHE_FETCH_STRATEGY_HEADER

Cache fetch strategy http header

See Also:

Constant Field Values

CACHE_SERVED_DATE_HEADER

static final java.lang.String CACHE_SERVED_DATE_HEADER

Request served Date/time http header

See Also:

Constant Field Values

CACHE_PREFETCH_HEADER

static final java.lang.String CACHE_PREFETCH_HEADER

Prefetch response only flag http header

See Also:

Constant Field Values

CACHE_EXPIRE_TIMEOUT_HEADER

static final java.lang.String CACHE_EXPIRE_TIMEOUT_HEADER

Cached response expiration timeout http header

See Also:

Constant Field Values

CACHE_EXPIRE_AFTER_READ_HEADER

static final java.lang.String CACHE_EXPIRE_AFTER_READ_HEADER

Expire cached response flag http header

See Also:

Constant Field Values

Method Detail

clear

void clear()

Clear cached http responses

remove

void remove(@Nonnull
            java.lang.String cacheKey)
     throws java.io.IOException

Remove cached http response by key. May throw IOException

Parameters:

cacheKey - key of cached response to be removed

Throws:

java.io.IOException

removeQuietly

void removeQuietly(@Nonnull
                   java.lang.String cacheKey)

Remove cached http response by key and suppress any exception

Parameters:

cacheKey - key of cached response to be removed

read

okhttp3.Response read(@Nonnull
                      java.lang.String cacheKey)

Read cached http response by key

Parameters:

cacheKey - key of cached response to be read

Returns:

cached response

read

okhttp3.Response read(@Nonnull
                      java.lang.String cacheKey,
                      boolean expireAfterRead)

Read and remove cached http response by key if expireAfterRead == true

Parameters:

cacheKey - key of cached response to be read

expireAfterRead - if true cached response will be removed after first read

Returns:

cached response

interceptor

okhttp3.Interceptor interceptor()

Provide http cache interceptor to be injected into OkHttpClient.interceptors. Provided interceptor must intercept request and serve cached http response as well as store network response to the http cache store.

Returns:

Interceptor