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Java CloneableRecord類代碼示例

本文整理匯總了Java中com.taobao.tddl.executor.record.CloneableRecord類的典型用法代碼示例。如果您正苦於以下問題：Java CloneableRecord類的具體用法？Java CloneableRecord怎麽用？Java CloneableRecord使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。


CloneableRecord類屬於com.taobao.tddl.executor.record包，在下文中一共展示了CloneableRecord類的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: getRecordMap

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
@SuppressWarnings("unused")
private Map<String, Object> getRecordMap(CloneableRecord key, CloneableRecord value) {
    int size = 0;
    if (value != null) {
        size += value.getColumnList().size();
    }
    if (key != null) {
        size += key.getColumnList().size();
    }
    Map<String, Object> eachRow = new HashMap<String, Object>(size);

    if (value != null) {
        eachRow.putAll(value.getMap());
    }
    if (key != null) {
        eachRow.putAll(key.getMap());
    }
    return eachRow;
}
開發者ID:beebeandwer，項目名稱:TDDL，代碼行數:20，代碼來源:ValueFilterCursor.java

示例2: getPair

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
public String getPair(CloneableRecord record) {

        if (columns.size() == 1) {
            return String.valueOf(record.get(columns.get(0)));
        }
        boolean first = true;

        StringBuilder b = new StringBuilder();

        b.append("(");

        for (String column : columns) {
            if (first) {
                first = false;
            } else {
                b.append(",");
            }

            b.append(record.get(column));
        }
        b.append(")");

        return b.toString();

    }
開發者ID:loye168，項目名稱:tddl5，代碼行數:26，代碼來源:FetchFromLeftOperation.java

示例3: mgetWithDuplicate

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
@Override
public Map<CloneableRecord, DuplicateKVPair> mgetWithDuplicate(List<CloneableRecord> keys, boolean prefixMatch,
                                                               boolean keyFilterOrValueFilter) throws TddlException {
    Map<CloneableRecord, DuplicateKVPair> map = super.mgetWithDuplicate(keys, prefixMatch, keyFilterOrValueFilter);
    if (map == null) {
        return null;
    }
    Map<CloneableRecord, DuplicateKVPair> retMap = new HashMap<CloneableRecord, DuplicateKVPair>(map.size());
    Iterator<Entry<CloneableRecord, DuplicateKVPair>> iterator = map.entrySet().iterator();
    while (iterator.hasNext()) {
        Entry<CloneableRecord, DuplicateKVPair> entry = iterator.next();
        DuplicateKVPair dkv = entry.getValue();
        dkv = allow(filter, dkv);
        if (dkv != null) {
            retMap.put(entry.getKey(), dkv);
        }
    }
    return retMap;
}
開發者ID:beebeandwer，項目名稱:TDDL，代碼行數:20，代碼來源:ValueFilterCursor.java

示例4: encode

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
@Override
public byte[] encode(CloneableRecord record) {
    int length = calculateEncodedLength(record, columns);
    byte[] dst = new byte[length];
    int offset = 0;
    for (ColumnMeta c : columns) {
        Object v = record.get(c.getName());
        DataType t = c.getDataType();

        if (v == null && !c.isNullable()) {
            throw new RuntimeException(c + " is not nullable.");
        }

        offset += t.encodeToBytes(v, dst, offset);
        // offset += encode1(v, t, dst, offset);
    }
    return dst;
}
開發者ID:beebeandwer，項目名稱:TDDL，代碼行數:19，代碼來源:FixedLengthCodec.java

示例5: blockNestedLoopJoin

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
private void blockNestedLoopJoin(List<CloneableRecord> leftJoinOnColumnCache, IColumn rightColumn,
                                 IValueFilterCursor vfc, Map<CloneableRecord, DuplicateKVPair> records)
                                                                                                       throws TddlException {
    IRowSet kv = null;
    while ((kv = vfc.next()) != null) {

        kv = ExecUtils.fromIRowSetToArrayRowSet(kv);
        Object rightValue = ExecUtils.getValueByIColumn(kv, rightColumn);
        for (CloneableRecord record : leftJoinOnColumnCache) {
            Comparable comp = (Comparable) record.getMap().values().iterator().next();
            if (rightValue.equals(comp)) {
                buildDuplicate(records, kv, record);
                break;
            }
        }
    }
}
開發者ID:loye168，項目名稱:tddl5，代碼行數:18，代碼來源:BlockNestedtLoopCursor.java

示例6: get

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
@Override
public CloneableRecord get(ExecutionContext context, CloneableRecord key, IndexMeta indexMeta, String dbName) {

    DatabaseEntry keyEntry = new DatabaseEntry();
    DatabaseEntry valueEntry = new DatabaseEntry();
    keyEntry.setData(indexCodecMap.get(indexMeta.getName()).getKey_codec().encode(key));
    OperationStatus status = getDatabase(dbName).get(context.getTransaction() == null ? null : ((JE_Transaction) context.getTransaction()).txn,
        keyEntry,
        valueEntry,
        LockMode.DEFAULT);
    if (OperationStatus.SUCCESS != status) {
        return null;
    }
    if (valueEntry.getSize() != 0) {
        return indexCodecMap.get(indexMeta.getName()).getValue_codec().decode(valueEntry.getData());
    } else {
        return null;
    }
}
開發者ID:beebeandwer，項目名稱:TDDL，代碼行數:20，代碼來源:JE_Table.java

示例7: clone

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
@Override
public Object clone() {
    KVPair o = null;
    try {
        o = (KVPair) super.clone();
        if (key != null) {
            o.key = (CloneableRecord) key.clone();
        }
        if (value != null) {
            o.value = (CloneableRecord) value.clone();
        }
    } catch (CloneNotSupportedException ex) {
        throw new RuntimeException("Clone not supported: " + ex.getMessage());
    }
    return o;
}
開發者ID:beebeandwer，項目名稱:TDDL，代碼行數:17，代碼來源:KVPair.java

示例8: buildRowFunction

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
private IFunction buildRowFunction(Collection values, boolean isColumn, CloneableRecord record) {
    IFunction func = ASTNodeFactory.getInstance().createFunction();
    func.setFunctionName("ROW");
    StringBuilder columnName = new StringBuilder();
    columnName.append('(').append(StringUtils.join(values, ',')).append(')');
    func.setColumnName(columnName.toString());
    if (isColumn) {
        List<IColumn> columns = new ArrayList<IColumn>(values.size());
        for (Object value : values) {
            IColumn col = ASTNodeFactory.getInstance()
                .createColumn()
                .setColumnName((String) value)
                .setDataType(record.getType((String) value));
            columns.add(col);
        }

        func.setArgs(columns);
    } else {
        func.setArgs(new ArrayList(values));
    }
    return func;
}
開發者ID:loye168，項目名稱:tddl5，代碼行數:23，代碼來源:MergeCursor.java

示例9: fillCache

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
/**
 * 將left cursor 取出 sizeKeyLimination個。 放到緩存裏
 * 
 * @param leftJoinOnColumnCache
 * @param leftKVPair
 * @return
 * @throws TddlException
 * @throws InterruptedException
 */
private boolean fillCache(List<CloneableRecord> leftJoinOnColumnCache, List<IRowSet> leftKVPair, boolean forward)
                                                                                                                 throws TddlException {

    int currentSize = 0;
    boolean hasMore = false;
    while (getOneLeftCursor(forward) != null) {
        // 有一個，就算has
        hasMore = true;
        GeneralUtil.checkInterrupted();
        putLeftCursorValueIntoReturnVal();
        // 上麵的方法用來找到left Join on columns ,然後放入key裏麵，這裏就直接利用這個key,去右邊查詢
        leftJoinOnColumnCache.add(right_key);
        leftKVPair.add(left);
        currentSize++;
        if (sizeKeyLimination <= currentSize) {
            return true;
        }
    }
    // 用後，清空，其他地方還可能會用到這兩個類變量
    left = null;
    left_key = null;
    // 耗盡
    return hasMore;
}
開發者ID:beebeandwer，項目名稱:TDDL，代碼行數:34，代碼來源:IndexNestedLoopMgetImpCursor.java

示例10: skipTo

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
@Override
public boolean skipTo(CloneableRecord skip_key) {
    key.setData(key_codec.encode(skip_key));
    if (OperationStatus.SUCCESS == je_cursor.getSearchKeyRange(key, value, lockMode)) {
        setKV();
        // CloneableRecord cr = current.getKey();
        // boolean equals = isEquals(skip_key, cr);
        // if(!equals)
        // {//當SearchKeyRange 取到的數據
        // 不等於當前數據的時候，實際上指針是在數據之前的。所以需要額外next一次。不過不確定。。有問題再說吧。。
        // next();
        // }
        // //System.out.println("skip true:"+skip_key+",,,current="+current);
        return true;
    }
    // //System.out.println("skip false:"+skip_key);
    return false;
}
開發者ID:loye168，項目名稱:tddl5，代碼行數:19，代碼來源:JE_Cursor.java

示例11: mgetWithDuplicate

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
@Override
public Map<CloneableRecord, DuplicateKVPair> mgetWithDuplicate(List<CloneableRecord> keys, boolean prefixMatch,
                                                               boolean keyFilterOrValueFilter) throws TddlException {
    if (keyFilterOrValueFilter == false) throw new UnsupportedOperationException("BDB的valueFilter的mget還未實現");
    Map<CloneableRecord, DuplicateKVPair> retMap = new HashMap<CloneableRecord, DuplicateKVPair>(64);

    if (keys == null) {
        keys = Collections.emptyList();
    }
    for (CloneableRecord cr : keys) {

        if (prefixMatch) {
            throw new UnsupportedOperationException("not supported yet ");
        } else {
            dontPrefixMatch(retMap, cr);

        }
    }

    return retMap;
}
開發者ID:beebeandwer，項目名稱:TDDL，代碼行數:22，代碼來源:JE_Cursor.java

示例12: mgetWithDuplicateList

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
@Override
public List<DuplicateKVPair> mgetWithDuplicateList(List<CloneableRecord> keys, boolean prefixMatch,
                                                   boolean keyFilterOrValueFilter) throws TddlException {

    if (keyFilterOrValueFilter == false) throw new UnsupportedOperationException("BDB的valueFilter的mget還未實現");
    List<DuplicateKVPair> retList = new ArrayList<DuplicateKVPair>(64);

    if (keys == null) {
        keys = Collections.emptyList();
    }
    for (CloneableRecord cr : keys) {

        if (prefixMatch) {
            throw new UnsupportedOperationException("not supported yet ");
        } else {
            dontPrefixMatchList(retList, cr);

        }
    }

    return retList;
}
開發者ID:loye168，項目名稱:tddl5，代碼行數:23，代碼來源:JE_Cursor.java

示例13: getOperationString

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
@Override
public String getOperationString() {

    StringBuilder columnsStr = new StringBuilder();
    if (columns.size() == 1) {
        columnsStr.append(columns.get(0));
    } else {
        columnsStr.append("(");

        boolean first = true;

        for (String column : columns) {
            if (first) {
                first = false;
            } else {
                columnsStr.append(",");
            }

            columnsStr.append(column);
        }
        columnsStr.append(")");
    }

    StringBuilder valuesStr = new StringBuilder();

    boolean firstValue = true;

    for (CloneableRecord record : left) {
        if (firstValue) {
            firstValue = false;
        } else {
            valuesStr.append(",");
        }

        valuesStr.append(getPair(record));
    }
    return message.format(new String[] { columnsStr.toString(), valuesStr.toString() });
}
開發者ID:loye168，項目名稱:tddl5，代碼行數:39，代碼來源:FetchFromLeftOperation.java

示例14: executePut

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
@SuppressWarnings("rawtypes")
@Override
protected int executePut(ExecutionContext executionContext, IPut put, ITable table, IndexMeta meta)
                                                                                                   throws Exception {
    ITransaction transaction = executionContext.getTransaction();
    int affect_rows = 0;
    IPut delete = put;
    ISchematicCursor conditionCursor = null;
    IRowSet rowSet = null;
    CloneableRecord key = CodecFactory.getInstance(CodecFactory.FIXED_LENGTH)
        .getCodec(meta.getKeyColumns())
        .newEmptyRecord();
    try {
        conditionCursor = ExecutorContext.getContext()
            .getTopologyExecutor()
            .execByExecPlanNode(delete.getQueryTree(), executionContext);
        while ((rowSet = conditionCursor.next()) != null) {
            affect_rows++;
            for (ColumnMeta cm : meta.getKeyColumns()) {
                Object val = getValByColumnMeta(rowSet, cm);
                key.put(cm.getName(), val);
            }
            // CloneableRecord key =
            // ExecUtils.convertToClonableRecord(rowSet);
            prepare(transaction, table, rowSet, null, null, PUT_TYPE.DELETE);
            table.delete(executionContext, key, meta, put.getTableName());
        }
    } catch (Exception e) {
        throw e;
    } finally {
        if (conditionCursor != null) {
            List<TddlException> exs = new ArrayList();
            exs = conditionCursor.close(exs);
            if (!exs.isEmpty()) {
                throw GeneralUtil.mergeException(exs);
            }
        }
    }
    return affect_rows;
}
開發者ID:beebeandwer，項目名稱:TDDL，代碼行數:41，代碼來源:DeleteHandler.java

示例15: getMoreRecord

import com.taobao.tddl.executor.record.CloneableRecord; //導入依賴的package包/類
private boolean getMoreRecord(boolean forward) throws TddlException {
    List<CloneableRecord> leftJoinOnColumnCache = new ArrayList<CloneableRecord>(sizeKeyLimination);
    List<IRowSet> liftKVPair = new ArrayList<IRowSet>(sizeKeyLimination);
    boolean hasMore = fillCache(leftJoinOnColumnCache, liftKVPair, forward);
    if (!hasMore) {
        return false;
    }
    // 如果使用index nest loop .那麽右表一定是按主key進行查詢的。
    rightPairs = getRecordFromRight(leftJoinOnColumnCache);
    leftIterator = liftKVPair.iterator();
    leftJoinOnColumnCacheIterator = leftJoinOnColumnCache.iterator();
    return true;
}
開發者ID:beebeandwer，項目名稱:TDDL，代碼行數:14，代碼來源:IndexNestedLoopMgetImpCursor.java


注：本文中的com.taobao.tddl.executor.record.CloneableRecord類示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。