Examples with Value com.wplatform.ddal.value.Value used on opensource projects

Example 76 with Value

use of com.wplatform.ddal.value.Value in project jdbc-shards by wplatform.

the class ValueHashMap method remove.

/**
 * Remove a key value pair.
 *
 * @param key the key
 */
public void remove(Value key) {
    checkSizeRemove();
    int index = getIndex(key);
    int plus = 1;
    do {
        Value k = keys[index];
        if (k == null) {
            // found an empty record
            return;
        } else if (k == ValueNull.DELETED) {
        // found a deleted record
        } else if (k.equals(key)) {
            // found the record
            keys[index] = ValueNull.DELETED;
            values[index] = null;
            deletedCount++;
            size--;
            return;
        }
        index = (index + plus++) & mask;
    } while (plus <= len);
// not found
}

Example 77 with Value

use of com.wplatform.ddal.value.Value in project jdbc-shards by wplatform.

the class ValueHashMap method get.

/**
 * Get the value for this key. This method returns null if the key was not
 * found.
 *
 * @param key the key
 * @return the value for the given key
 */
public V get(Value key) {
    int index = getIndex(key);
    int plus = 1;
    do {
        Value k = keys[index];
        if (k == null) {
            // found an empty record
            return null;
        } else if (k == ValueNull.DELETED) {
        // found a deleted record
        } else if (k.equals(key)) {
            // found it
            return values[index];
        }
        index = (index + plus++) & mask;
    } while (plus <= len);
    return null;
}

Example 78 with Value

use of com.wplatform.ddal.value.Value in project jdbc-shards by wplatform.

the class ValueHashMap method values.

/**
 * Get the list of values.
 *
 * @return all values
 */
public ArrayList<V> values() {
    ArrayList<V> list = New.arrayList(size);
    int len = keys.length;
    for (int i = 0; i < len; i++) {
        Value k = keys[i];
        if (k != null && k != ValueNull.DELETED) {
            list.add(values[i]);
        }
    }
    return list;
}

Example 79 with Value

use of com.wplatform.ddal.value.Value in project jdbc-shards by wplatform.

the class JdbcConnection method createBlob.

/**
 * Create a new empty Blob object.
 *
 * @return the object
 */
@Override
public Blob createBlob() throws SQLException {
    try {
        int id = getNextId(TraceObject.BLOB);
        debugCodeAssign("Blob", TraceObject.BLOB, id, "createClob()");
        checkClosedForWrite();
        try {
            Value v = ValueLobDb.createTempBlob(new ByteArrayInputStream(Utils.EMPTY_BYTES), 0);
            session.addTemporaryLob(v);
            return new JdbcBlob(this, v, id);
        } finally {
            afterWriting();
        }
    } catch (Exception e) {
        throw logAndConvert(e);
    }
}

Example 80 with Value

use of com.wplatform.ddal.value.Value in project jdbc-shards by wplatform.

the class Trace method formatParams.

/**
 * Format the parameter list.
 *
 * @param parameters the parameter list
 * @return the formatted text
 */
public static String formatParams(ArrayList<? extends ParameterInterface> parameters) {
    if (parameters.size() == 0) {
        return "";
    }
    StatementBuilder buff = new StatementBuilder();
    int i = 0;
    boolean params = false;
    for (ParameterInterface p : parameters) {
        if (p.isValueSet()) {
            if (!params) {
                buff.append(" {");
                params = true;
            }
            buff.appendExceptFirst(", ");
            Value v = p.getParamValue();
            buff.append(++i).append(": ").append(v.getTraceSQL());
        }
    }
    if (params) {
        buff.append('}');
    }
    return buff.toString();
}