question: returns the id num of this legacy producer . concode_field_sep LegacyProducer _legacyProducer concode_field_sep void setApproved concode_elem_sep void setExpandoBridgeAttributes concode_elem_sep void setExpandoBridgeAttributes concode_elem_sep void setExpandoBridgeAttributes concode_elem_sep void setFacilityId concode_elem_sep boolean isEscapedModel concode_elem_sep boolean isCachedModel concode_elem_sep com.liferay.portlet.expando.model.ExpandoBridge getExpandoBridge concode_elem_sep long getId concode_elem_sep void setIdNum concode_elem_sep int compareTo concode_elem_sep LegacyProducer getWrappedModel concode_elem_sep void setModelAttributes concode_elem_sep Map<String,Object> getModelAttributes concode_elem_sep int getApproved concode_elem_sep com.liferay.portal.model.CacheModel<de.uhh.l2g.plugins.migration.model.LegacyProducer> toCacheModel concode_elem_sep java.lang.String getHomeDir concode_elem_sep int hashCode concode_elem_sep LegacyProducer getWrappedLegacyProducer concode_elem_sep long getNumberOfProductions concode_elem_sep void setPrimaryKey concode_elem_sep de.uhh.l2g.plugins.migration.model.LegacyProducer toUnescapedModel concode_elem_sep void setId concode_elem_sep void setUserUuid concode_elem_sep void persist concode_elem_sep void setNew concode_elem_sep java.lang.String getUserUuid concode_elem_sep void resetOriginalValues concode_elem_sep long getFacilityId concode_elem_sep boolean isNew concode_elem_sep java.io.Serializable getPrimaryKeyObj concode_elem_sep Class<?> getModelClass concode_elem_sep void setNumberOfProductions concode_elem_sep long getPrimaryKey concode_elem_sep de.uhh.l2g.plugins.migration.model.LegacyProducer toEscapedModel concode_elem_sep void setHomeDir concode_elem_sep void setHostId concode_elem_sep java.lang.String toXmlString concode_elem_sep boolean equals concode_elem_sep long getHostId concode_elem_sep void setPrimaryKeyObj concode_elem_sep java.lang.Object clone concode_elem_sep void setCachedModel concode_elem_sep java.lang.String toString concode_elem_sep String getModelClassName concode_elem_sep long getUserId concode_elem_sep void setUserId
target: java . lang . String function ( ) { return _legacyProducer . getIdNum ( ) ; }