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package eu.dnetlib.msro.workflows.graph;
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import java.io.StringWriter;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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import org.apache.commons.lang3.StringUtils;
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import eu.dnetlib.msro.workflows.procs.Env;
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/**
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* Created by michele on 19/11/15.
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*/
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public class GraphNode {
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public static final String SUCCESS_NODE = "success";
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private final String name;
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private final String type;
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private final boolean isStart;
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private final boolean isJoin;
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private final boolean isSucessNode;
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private final Map<String, GraphNodeParameter> nodeParams;
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private GraphNode(final String name,
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final String type,
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final boolean isStart,
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final boolean isJoin,
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final boolean isSuccessNode,
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final Map<String, GraphNodeParameter> nodeParams) {
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this.name = name;
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this.type = type;
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this.isStart = isStart;
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this.isJoin = isJoin;
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this.isSucessNode = isSuccessNode;
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this.nodeParams = nodeParams;
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}
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public static GraphNode newNode(final String name,
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final String type,
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final Map<String, GraphNodeParameter> nodeParams) {
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return new GraphNode(name, type, false, false, false, nodeParams);
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}
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public static GraphNode newStartNode(final String name,
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final String type,
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final Map<String, GraphNodeParameter> nodeParams) {
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return new GraphNode(name, type, true, false, false, nodeParams);
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}
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public static GraphNode newJoinNode(final String name,
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final String type,
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final Map<String, GraphNodeParameter> nodeParams) {
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return new GraphNode(name, type, false, true, false, nodeParams);
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}
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public static GraphNode newSuccessNode() {
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return new GraphNode(SUCCESS_NODE, null, false, true, true, null);
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}
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public String getName() {
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return this.name;
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}
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public String getType() {
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return this.type;
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}
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public boolean isStart() {
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return this.isStart;
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}
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public boolean isJoin() {
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return this.isJoin;
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}
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public boolean isSucessNode() {
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return this.isSucessNode;
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}
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@Override
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public String toString() {
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final StringWriter sw = new StringWriter();
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sw.append("[ name: ");
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sw.append(this.name);
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if (StringUtils.isNotBlank(this.type)) {
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sw.append(", type: ");
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sw.append(this.type);
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}
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if (isStart()) {
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sw.append(" - isStart");
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}
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if (isJoin()) {
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sw.append(" - isJoin");
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}
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sw.append(" ]");
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return sw.toString();
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}
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public Map<String, GraphNodeParameter> getNodeParams() {
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return this.nodeParams;
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}
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public Map<String, Object> resolveParamsWithNoEnv() {
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return resolveParams(null);
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}
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@SuppressWarnings("unchecked")
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public Map<String, Object> resolveParams(final Env env) {
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final Map<String, Object> params = new HashMap<>();
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if (this.nodeParams != null) {
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for (final Map.Entry<String, GraphNodeParameter> e : this.nodeParams.entrySet()) {
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final String pName = e.getKey();
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final GraphNodeParameter param = e.getValue();
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if (param.isEnvParam()) {
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params.put(pName, resolveFromEnv(param, env));
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} else if (param.isMap()) {
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final Map<String, Object> map = new HashMap<>();
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for (final Map.Entry<String, GraphNodeParameter> e1 : ((Map<String, GraphNodeParameter>) param.getValue()).entrySet()) {
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map.put(e1.getKey(), e1.getValue().isEnvParam() ? resolveFromEnv(e1.getValue(), env) : e1.getValue().getValue());
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}
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params.put(pName, map);
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} else if (param.isList()) {
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params.put(pName,
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((List<GraphNodeParameter>) param.getValue())
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.stream()
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.map(p -> p.isEnvParam() ? resolveFromEnv(p, env) : p.getValue())
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.collect(Collectors.toList()));
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} else {
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params.put(pName, param.getValue());
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}
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}
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}
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return params;
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}
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private Object resolveFromEnv(final GraphNodeParameter param, final Env env) {
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return env != null ? env.getAttribute(param.getEnvVariable()) : "[this value will be resolved using the runtime ENV]";
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}
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}
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