X: Move classes from 'java' to 'tjava'

src/main/tjava/com/r35157/libs/math/UtilsBigDecimal.tjava

@@ -0,0 +1,13 @@
+package com.r35157.libs.math;
+
+import java.math.BigDecimal;
+import java.math.MathContext;
+
+public interface UtilsBigDecimal {
+    BigDecimal min(BigDecimal a, BigDecimal b);
+    BigDecimal max(BigDecimal a, BigDecimal b);
+    BigDecimal sqrt(BigDecimal value, MathContext mc);
+
+    BigDecimal TWO = new BigDecimal("2");
+    BigDecimal THREE = new BigDecimal("3");
+}

src/main/tjava/com/r35157/libs/math/UtilsDouble.tjava

@@ -0,0 +1,7 @@
+package com.r35157.libs.math;
+
+import java.math.BigDecimal;
+
+public interface UtilsDouble {
+    double erf(BigDecimal x);
+}

src/main/tjava/com/r35157/libs/notification/AddressedNotifier.tjava

@@ -0,0 +1,14 @@
+package com.r35157.libs.notification;
+
+import java.io.IOException;
+
+public interface AddressedNotifier<
+        D extends NotificationDestination,
+        M extends NotificationMessage>
+{
+    void push(D destination, M message) throws IOException;
+
+    default BoundNotifier<M> bind(D destination) {
+        return message -> push(destination, message);
+    }
+}

src/main/tjava/com/r35157/libs/notification/BoundNotifier.tjava

@@ -0,0 +1,7 @@
+package com.r35157.libs.notification;
+
+import java.io.IOException;
+
+public interface BoundNotifier<M extends NotificationMessage> {
+    void push(M message) throws IOException;
+}

src/main/tjava/com/r35157/libs/notification/NotificationDestination.tjava

@@ -0,0 +1,3 @@
+package com.r35157.libs.notification;
+
+public interface NotificationDestination {}

src/main/tjava/com/r35157/libs/notification/NotificationMessage.tjava

@@ -0,0 +1,4 @@
+package com.r35157.libs.notification;
+
+public interface NotificationMessage {
+}

src/main/tjava/com/r35157/libs/solana/valuetypes/WellKnownCurrencyTypes.tjava

@@ -0,0 +1,52 @@
+package com.r35157.libs.solana.valuetypes;
+
+import com.r35157.libs.valuetypes.basic.CurrencyType;
+
+import java.util.UUID;
+
+/**
+ * Defines well-known currency types used by the Solana integration.
+ *
+ * <p>Each enum value wraps a {@link CurrencyType} with a stable identifier and a
+ * human-readable currency name. These predefined values are intended for common
+ * currencies that the Solana-related modules need to reference consistently.</p>
+ */
+public enum WellKnownCurrencyTypes {
+    /**
+     * Native Solana currency.
+     */
+    SOLANA(new CurrencyType(
+            UUID.fromString("019e0116-fce5-792f-a647-fa6da4dffec5"),
+            "Solana",
+            "SOL")
+    ),
+
+    /**
+     * Syrup USDC token currency.
+     */
+    SYRUPUSDC(new CurrencyType(
+            UUID.fromString("019e1d51-0600-7956-8231-f3b7058a91c2"),
+            "SyrupUSDC",
+            "SyrupUSDC")
+    );
+
+    /**
+     * Creates a well-known currency type entry.
+     *
+     * @param currencyType the currency type represented by this enum value
+     */
+    WellKnownCurrencyTypes(CurrencyType currencyType) {
+        this.currencyType = currencyType;
+    }
+
+    /**
+     * Returns the currency type represented by this enum value.
+     *
+     * @return the represented currency type
+     */
+    public CurrencyType getCurrencyType() {
+        return currencyType;
+    }
+
+    private final CurrencyType currencyType;
+}

src/main/tjava/com/r35157/libs/valuetypes/basic/CurrencyType.tjava

@@ -0,0 +1,16 @@
+package com.r35157.libs.valuetypes.basic;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.UUID;
+
+public record CurrencyType(
+        UUID id,
+        String name,
+        String symbol
+) {
+    @Override
+    public @NotNull String toString() {
+        return symbol;
+    }
+}

src/main/tjava/com/r35157/libs/valuetypes/basic/SemanticVersion.tjava

@@ -0,0 +1,70 @@
+package com.r35157.libs.valuetypes.basic;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Semantic Versioning (SemVer):
+ * A version number has the form MAJOR.MINOR.PATCH.
+ * - Increment MAJOR for incompatible API changes,
+ * - Increment MINOR for added functionality in a backward-compatible way,
+ * - Increment PATCH for backward-compatible bug fixes or improvements.
+ * TODO: Not the whole specification is implemented yet!
+ */
+public record SemanticVersion(int major, int minor, int patch) {
+    /**
+     * Creates a SemanticVersion and validates that all components are valid.
+     *
+     * @throws IllegalArgumentException if any of {@code major}, {@code minor}, or {@code patch} is negative
+     */
+    public SemanticVersion {
+        initializationGuardClause(major, minor, patch);
+    }
+
+    public static SemanticVersion of(int major, int minor, int patch) {
+        return new SemanticVersion(major, minor, patch);
+    }
+
+    public static SemanticVersion of(int major, int minor) {
+        return of(major, minor, 0);
+    }
+
+    public static SemanticVersion of(int major) {
+        return of(major, 0);
+    }
+
+    public static SemanticVersion of(@NotNull String versionStr) {
+        final String s = versionStr.trim();
+
+        final Matcher m = SEMVER_REGEX.matcher(s);
+        if (!m.matches()) {
+            throw new IllegalArgumentException("Invalid semantic version: '" + versionStr + "'!");
+        }
+
+        try {
+            final int major = Integer.parseInt(m.group(1));
+            final int minor = m.group(2) != null ? Integer.parseInt(m.group(2)) : 0;
+            final int patch = m.group(3) != null ? Integer.parseInt(m.group(3)) : 0;
+            return of(major, minor, patch);
+        } catch (NumberFormatException e) {
+            // Happens only with overruns
+            throw new IllegalArgumentException("Invalid semantic version: '" + versionStr + "'!", e);
+        }
+    }
+
+    @Override
+    public @NotNull String toString() {
+        return "%d.%d.%d".formatted(major, minor, patch);
+    }
+
+    private void initializationGuardClause(int major, int minor, int patch) throws IllegalArgumentException {
+        if (major < 0) throw new IllegalArgumentException("Version element 'major' cannot be negative - was '" + major + "'!");
+        if (minor < 0) throw new IllegalArgumentException("Version element 'minor' cannot be negative - was '" + minor + "'!");
+        if (patch < 0) throw new IllegalArgumentException("Version element 'patch' cannot be negative - was '" + patch + "'!");
+    }
+
+    private static final Pattern SEMVER_REGEX =
+            Pattern.compile("^(\\d+)(?:\\.(\\d+)(?:\\.(\\d+))?)?$");
+}

src/main/tjava/com/r35157/libs/valuetypes/basic/SmtpConfiguration.tjava

@@ -0,0 +1,7 @@
+package com.r35157.libs.valuetypes.basic;
+
+public record SmtpConfiguration(
+        NetworkEndPoint networkEndPoint,
+        Credentials credentials
+) {
+}

src/main/tjava/com/r35157/libs/valuetypes/basic/TradingPair.tjava

@@ -0,0 +1,6 @@
+package com.r35157.libs.valuetypes.basic;
+
+public record TradingPair(
+        CurrencyType base,  // The thing you are buying or selling.
+        CurrencyType quote  // The currency/unit used to price the base asset.
+) { }

src/main/tjava/com/r35157/nenjim/hubd/NenjimHub.tjava

@@ -0,0 +1,18 @@
+package com.r35157.nenjim.hubd;
+
+import com.r35157.nenjim.hubd.journal.Journal;
+import org.jetbrains.annotations.NotNull;
+
+public interface NenjimHub {
+    /**
+     * A no-operation (noop). This method is suppoted to do nothing.
+     */
+    void noop();
+
+    /**
+     *
+     * @param journal
+     */
+    void monitorJournal(@NotNull Journal journal);
+}
+

src/main/tjava/com/r35157/nenjim/hubd/ctx/Context.tjava

@@ -0,0 +1,14 @@
+package com.r35157.nenjim.hubd.ctx;
+
+import com.r35157.libs.valuetypes.basic.SemanticVersion;
+
+public record Context(
+) {
+    public String getName() {
+        return "Some Context";
+    }
+
+    public SemanticVersion getVersion(String fqPackageName) {
+        return null; // new SemanticVersion(0, 1, 0);
+    }
+}

src/main/tjava/com/r35157/nenjim/hubd/journal/JournalManager.tjava

@@ -0,0 +1,5 @@
+package com.r35157.nenjim.hubd.journal;
+
+public interface JournalManager {
+    Journal getJournal(String moduleName);
+}

src/main/tjava/com/r35157/nenjim/hubd/module/Module.tjava

@@ -0,0 +1,4 @@
+package com.r35157.nenjim.hubd.module;
+
+public record Module() {
+}