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com.jd.blockchain.sdk.BlockchainEventHandle Maven / Gradle / Ivy

package com.jd.blockchain.sdk;

/**
 * BlockchainEventHandle 维护了一个具体的事件监听实例的状态,提供了在不需要继续监听时进行取消的方法
 * {@link #cancel()};
 * 
 * @author huanghaiquan
 *
 */
public interface BlockchainEventHandle {

	/**
	 * 要监听的事件类型;
	 * 
	 * @return
	 */
	int getFilteredEventTypes();

	/**
	 * 要监听的交易;如果为 null,则不进行交易过滤;
	 * 
	 * @return
	 */
	String getFilteredTxHash();

	/**
	 * 要监听的账户地址;如果为 null,这不进行账户地址过滤;
	 * 
	 * @return
	 */
	String getFilteredAccountAddress();

	/**
	 * 监听器实例;
	 * 
	 * @return
	 */
	BlockchainEventListener getListener();

	/**
	 * 取消监听;
	 */
	void cancel();

}




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