class PreCondition extends Condition {

	@Override
	public void executeCondition(Integer slotIndex) throws Exception {<FILL_FUNCTION_BODY>}

	@Override
	public ConditionTypeEnum getConditionType() {
		return ConditionTypeEnum.TYPE_PRE;
	}

}

		for (Executable executableItem : this.getExecutableList()) {
			executableItem.setCurrChainId(this.getCurrChainId());
			executableItem.execute(slotIndex);
		}
	
<methods>public non-sealed void <init>() ,public void addExecutable(com.yomahub.liteflow.flow.element.Executable) ,public void addExecutable(java.lang.String, com.yomahub.liteflow.flow.element.Executable) ,public void execute(java.lang.Integer) throws java.lang.Exception,public abstract void executeCondition(java.lang.Integer) throws java.lang.Exception,public List<com.yomahub.liteflow.flow.element.Node> getAllNodeInCondition() ,public abstract com.yomahub.liteflow.enums.ConditionTypeEnum getConditionType() ,public java.lang.String getCurrChainId() ,public java.lang.String getCurrChainName() ,public Map<java.lang.String,List<com.yomahub.liteflow.flow.element.Executable>> getExecutableGroup() ,public List<com.yomahub.liteflow.flow.element.Executable> getExecutableList() ,public List<com.yomahub.liteflow.flow.element.Executable> getExecutableList(java.lang.String) ,public com.yomahub.liteflow.flow.element.Executable getExecutableOne(java.lang.String) ,public com.yomahub.liteflow.enums.ExecuteableTypeEnum getExecuteType() ,public java.lang.String getId() ,public java.lang.String getTag() ,public void setCurrChainId(java.lang.String) ,public void setExecutableList(List<com.yomahub.liteflow.flow.element.Executable>) ,public void setId(java.lang.String) ,public void setTag(java.lang.String) <variables>private java.lang.String currChainId,private final Map<java.lang.String,List<com.yomahub.liteflow.flow.element.Executable>> executableGroup,private java.lang.String id,private java.lang.String tag