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Oracle Data Mining Java API Reference 11g Release 2 (11.2) E12219-03 |
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java.lang.Object
oracle.dmt.jdm.OraDMObject
oracle.dmt.jdm.OraMiningObject
oracle.dmt.jdm.base.OraTask
The class OraTask
add new extension methods in 11.1 to javax.datamining.base.Task
. These methods allows to specify task dependencies and thus enable execution of tasks as a sequence of tasks that allows to specify processes, such as model build --> test --> apply. Without this feature, client applications have to wait for the completion of the dependent tasks using either ExecutionHandle.waitForCompletion
method or periodic polling the server by using ExecutionHandle.getLatestStatus
method.
Field Summary |
Fields inherited from class oracle.dmt.jdm.OraMiningObject |
DESCRIPTION_DELIMITER |
Fields inherited from interface oracle.dmt.jdm.OraPLSQLConstants |
abns_max_build_minutes, abns_max_nb_predictors, abns_max_predictors, abns_model_type, abns_multi_feature, abns_naive_bayes, abns_single_feature, algo_adaptive_bayes_network, algo_ai_mdl, algo_ai_mdl2, algo_apriori_association_rules, algo_decision_tree, algo_generalized_linear_model, algo_kmeans, algo_naive_bayes, algo_name, algo_nonnegative_matrix_factor, algo_ocluster, algo_predictor_variance, algo_support_vector_machines, apply_cost_content, apply_lower_content, apply_nodeid_content, apply_pred_value_content, apply_probability_content, apply_upper_content, asso_max_rule_length, asso_min_confidence, asso_min_support, association, association_in_model, attribute_importance, clas_cost_table_name, clas_priors_table_name, clas_weights_table_name, classification, clus_num_clusters, clustering, feat_num_features, feature_extraction, glms_conf_level, glms_conf_level_default, glms_diagnostics_table_name, glms_reference_class_name, glms_ridge_reg_disable, glms_ridge_reg_enable, glms_ridge_regression, glms_ridge_value, glms_vif_for_ridge, glms_vif_ridge_disable, glms_vif_ridge_enable, kmns_block_growth, kmns_conv_tolerance, kmns_cosine, kmns_distance, kmns_euclidean, kmns_fast_cosine, kmns_iterations, kmns_min_pct_attr_support, kmns_num_bins, kmns_size, kmns_split_criterion, kmns_variance, nabs_pairwise_threshold, nabs_singleton_threshold, nmfs_conv_tolerance, nmfs_num_iterations, nmfs_random_seed, ocluster_max_buffer, ocluster_sensitivity, odms_missing_value_delete_row, odms_missing_value_mean_mode, odms_missing_value_treatment, odms_row_weight_column_name, operator_equal, operator_equal_v, operator_greater_or_equal, operator_greater_or_equal_v, operator_greater_than, operator_greater_than_v, operator_in, operator_in_v, operator_less_or_equal, operator_less_or_equal_v, operator_less_than, operator_less_than_v, operator_not_equal, operator_not_equal_v, operator_not_in, operator_not_in_v, oracle_char_type, oracle_dm_nested_categoricals, oracle_dm_nested_numericals, oracle_float_type, oracle_number_type, oracle_varchar2_type, prep_auto, prep_auto_off, prep_auto_on, regression, svms_active_learning, svms_al_disable, svms_al_enable, svms_complexity_factor, svms_conv_tolerance, svms_epsilon, svms_gaussian, svms_kernel_cache_size, svms_kernel_function, svms_linear, svms_outlier_rate, svms_std_dev, tree_impurity_entropy, tree_impurity_gini, tree_impurity_metric, tree_impurity_metric_default, tree_term_max_depth, tree_term_max_depth_default, tree_term_max_depth_max, tree_term_max_depth_min, tree_term_max_surrogates_max, tree_term_max_surrogates_min, tree_term_minpct_node, tree_term_minpct_node_default, tree_term_minpct_node_max, tree_term_minpct_split, tree_term_minpct_split_default, tree_term_minpct_split_max, tree_term_minrec_node, tree_term_minrec_node_default, tree_term_minrec_split, tree_term_minrec_split_default |
Method Summary | |
void |
addDependency(java.lang.String parentTaskName) Adds the parent task that this task depends on. |
void |
dropDependency(java.lang.String parentTaskName) Removes the parent task dependency for this task. |
java.util.List |
getChildTaskNames() Returns list of child tasks, i.e., the tasks that have this task as the parent. |
java.util.List |
getParentTaskNames() Returns list of parent tasks that this task depends on. |
boolean |
overwriteOutput() Returns the overwrite flag set for this task. |
void |
overwriteOutput(boolean overwrite) Set the flag to indicate the task that it can overwrite if there are any of the previous outputs with the same name exist in the server. |
Methods inherited from class oracle.dmt.jdm.OraMiningObject |
doBeforeStore, getCreationDate, getCreatorInfo, getName, getObjectIdentifier, saveObjectInDatabase, setDescription |
Methods inherited from class oracle.dmt.jdm.OraDMObject |
createException, createException, createRuntimeException, createRuntimeException, getLocalizedMessage, isConnectionOpen, logInfo, logSevere, logTrace, logTrace, unsupported, unsupported |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface javax.datamining.MiningObject |
getCreationDate, getCreatorInfo, getName, getObjectIdentifier, setDescription |
Method Detail |
public void addDependency(java.lang.String parentTaskName) throws javax.datamining.JDMException
javax.datamining.JDMException
public void dropDependency(java.lang.String parentTaskName) throws javax.datamining.JDMException
javax.datamining.JDMException
public java.util.List getParentTaskNames()
public java.util.List getChildTaskNames()
public void overwriteOutput(boolean overwrite)
public boolean overwriteOutput()
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Oracle Data Mining Java API Reference 11g Release 2 (11.2) E12219-03 |
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