org.web3j.protocol.core.filters

Class BlockFilter

java.lang.Object

org.web3j.protocol.core.filters.Filter<java.lang.String>

org.web3j.protocol.core.filters.BlockFilter

public class BlockFilter
extends Filter<java.lang.String>

Handler for working with block filter requests.

Constructor Summary

Constructors

Constructor and Description
BlockFilter(Web3j web3j, Callback<java.lang.String> callback)

Method Summary

Modifier and Type	Method and Description
protected java.util.Optional<Request<?,EthLog>>	getFilterLogs(java.math.BigInteger filterId) Since the block filter does not support historic filters, the filterId is ignored and an empty optional is returned.

Methods inherited from class org.web3j.protocol.core.filters.Filter

cancel, run

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockFilter

public BlockFilter(Web3j web3j,
                   Callback<java.lang.String> callback)

Method Detail

getFilterLogs

protected java.util.Optional<Request<?,EthLog>> getFilterLogs(java.math.BigInteger filterId)

Since the block filter does not support historic filters, the filterId is ignored and an empty optional is returned.

Specified by:

getFilterLogs in class Filter<java.lang.String>

Parameters:

filterId - Id of the filter for which the historic log should be retrieved

Returns:

Optional.empty()