Merge pull request #95 from eiiches/feature/20210807-add-now-function

add now/0 function

jackson-jq/src/main/java/net/thisptr/jackson/jq/internal/functions/NowFunction.java

@@ -0,0 +1,26 @@
+package net.thisptr.jackson.jq.internal.functions;
+
+import java.util.List;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.DoubleNode;
+import com.google.auto.service.AutoService;
+
+import net.thisptr.jackson.jq.Expression;
+import net.thisptr.jackson.jq.Function;
+import net.thisptr.jackson.jq.PathOutput;
+import net.thisptr.jackson.jq.Scope;
+import net.thisptr.jackson.jq.Version;
+import net.thisptr.jackson.jq.exception.JsonQueryException;
+import net.thisptr.jackson.jq.internal.BuiltinFunction;
+import net.thisptr.jackson.jq.path.Path;
+
+@AutoService(Function.class)
+@BuiltinFunction("now/0")
+public class NowFunction implements Function {
+
+	@Override
+	public void apply(final Scope scope, final List<Expression> args, final JsonNode in, final Path path, final PathOutput output, final Version version) throws JsonQueryException {
+		output.emit(new DoubleNode(System.currentTimeMillis() / 1000.0), null);
+	}
+}