Examples with OCommandRequestText com.orientechnologies.orient.core.command.OCommandRequestText used on opensource projects

Example 21 with OCommandRequestText

use of com.orientechnologies.orient.core.command.OCommandRequestText in project orientdb by orientechnologies.

the class OCommandExecutorSQLCreateEdge method parse.

@SuppressWarnings("unchecked")
public OCommandExecutorSQLCreateEdge parse(final OCommandRequest iRequest) {
    final OCommandRequestText textRequest = (OCommandRequestText) iRequest;
    String queryText = textRequest.getText();
    String originalQuery = queryText;
    try {
        // System.out.println("NEW PARSER FROM: " + queryText);
        queryText = preParse(queryText, iRequest);
        // System.out.println("NEW PARSER TO: " + queryText);
        textRequest.setText(queryText);
        final ODatabaseDocument database = getDatabase();
        init((OCommandRequestText) iRequest);
        parserRequiredKeyword("CREATE");
        parserRequiredKeyword("EDGE");
        String className = null;
        String tempLower = parseOptionalWord(false);
        String temp = tempLower == null ? null : tempLower.toUpperCase();
        while (temp != null) {
            if (temp.equals("CLUSTER")) {
                clusterName = parserRequiredWord(false);
            } else if (temp.equals(KEYWORD_FROM)) {
                from = parserRequiredWord(false, "Syntax error", " =><,\r\n", true);
            } else if (temp.equals("TO")) {
                to = parserRequiredWord(false, "Syntax error", " =><,\r\n", true);
            } else if (temp.equals(KEYWORD_SET)) {
                fields = new ArrayList<OPair<String, Object>>();
                parseSetFields(clazz, fields);
            } else if (temp.equals(KEYWORD_CONTENT)) {
                parseContent();
            } else if (temp.equals(KEYWORD_BATCH)) {
                temp = parserNextWord(true);
                if (temp != null)
                    batch = Integer.parseInt(temp);
            } else if (className == null && temp.length() > 0) {
                className = tempLower;
                OrientBaseGraph graph = OrientBaseGraph.getActiveGraph();
                if (graph != null && graph.isUseClassForEdgeLabel()) {
                    clazz = ((OMetadataInternal) database.getMetadata()).getImmutableSchemaSnapshot().getClass(temp);
                } else {
                    clazz = ((OMetadataInternal) database.getMetadata()).getImmutableSchemaSnapshot().getClass("E");
                }
            }
            temp = parseOptionalWord(true);
            if (parserIsEnded())
                break;
        }
        if (className == null) {
            // ASSIGN DEFAULT CLASS
            className = OrientEdgeType.CLASS_NAME;
            clazz = ((OMetadataInternal) database.getMetadata()).getImmutableSchemaSnapshot().getClass(className);
        }
        // GET/CHECK CLASS NAME
        if (clazz == null)
            throw new OCommandSQLParsingException("Class '" + className + "' was not found");
        edgeLabel = className;
    } finally {
        textRequest.setText(originalQuery);
    }
    return this;
}

Example 22 with OCommandRequestText

use of com.orientechnologies.orient.core.command.OCommandRequestText in project orientdb by orientechnologies.

the class OCommandExecutorSQLCreateVertex method parse.

@SuppressWarnings("unchecked")
public OCommandExecutorSQLCreateVertex parse(final OCommandRequest iRequest) {
    final OCommandRequestText textRequest = (OCommandRequestText) iRequest;
    String queryText = textRequest.getText();
    String originalQuery = queryText;
    try {
        queryText = preParse(queryText, iRequest);
        textRequest.setText(queryText);
        final ODatabaseDocument database = getDatabase();
        init((OCommandRequestText) iRequest);
        String className = null;
        parserRequiredKeyword("CREATE");
        parserRequiredKeyword("VERTEX");
        String temp = parseOptionalWord(true);
        while (temp != null) {
            if (temp.equals("CLUSTER")) {
                clusterName = parserRequiredWord(false);
            } else if (temp.equals(KEYWORD_SET)) {
                fields = new ArrayList<OPair<String, Object>>();
                parseSetFields(clazz, fields);
            } else if (temp.equals(KEYWORD_CONTENT)) {
                parseContent();
            } else if (className == null && temp.length() > 0) {
                className = temp;
                if (className == null)
                    // ASSIGN DEFAULT CLASS
                    className = OrientVertexType.CLASS_NAME;
                // GET/CHECK CLASS NAME
                clazz = ((OMetadataInternal) database.getMetadata()).getImmutableSchemaSnapshot().getClass(className);
                if (clazz == null)
                    throw new OCommandSQLParsingException("Class '" + className + "' was not found");
            }
            temp = parserOptionalWord(true);
            if (parserIsEnded())
                break;
        }
        if (className == null) {
            // ASSIGN DEFAULT CLASS
            className = OrientVertexType.CLASS_NAME;
            // GET/CHECK CLASS NAME
            clazz = ((OMetadataInternal) database.getMetadata()).getImmutableSchemaSnapshot().getClass(className);
            if (clazz == null)
                throw new OCommandSQLParsingException("Class '" + className + "' was not found");
        }
    } finally {
        textRequest.setText(originalQuery);
    }
    return this;
}

Example 23 with OCommandRequestText

use of com.orientechnologies.orient.core.command.OCommandRequestText in project orientdb by orientechnologies.

the class OCommandExecutorSQLDeleteVertex method parse.

@SuppressWarnings("unchecked")
public OCommandExecutorSQLDeleteVertex parse(final OCommandRequest iRequest) {
    final OCommandRequestText textRequest = (OCommandRequestText) iRequest;
    String queryText = textRequest.getText();
    String originalQuery = queryText;
    try {
        // System.out.println("NEW PARSER FROM: " + queryText);
        queryText = preParse(queryText, iRequest);
        // System.out.println("NEW PARSER TO: " + queryText);
        textRequest.setText(queryText);
        database = getDatabase();
        init((OCommandRequestText) iRequest);
        parserRequiredKeyword("DELETE");
        parserRequiredKeyword("VERTEX");
        OClass clazz = null;
        String where = null;
        int limit = -1;
        String word = parseOptionalWord(true);
        while (word != null) {
            if (word.startsWith("#")) {
                rid = new ORecordId(word);
            } else if (word.equalsIgnoreCase("from")) {
                final StringBuilder q = new StringBuilder();
                final int newPos = OStringSerializerHelper.getEmbedded(parserText, parserGetCurrentPosition(), -1, q);
                query = database.command(new OSQLAsynchQuery<ODocument>(q.toString(), this));
                parserSetCurrentPosition(newPos);
            } else if (word.equals(KEYWORD_WHERE)) {
                if (clazz == null)
                    // ASSIGN DEFAULT CLASS
                    clazz = ((OMetadataInternal) database.getMetadata()).getImmutableSchemaSnapshot().getClass(OrientVertexType.CLASS_NAME);
                where = parserGetCurrentPosition() > -1 ? " " + parserText.substring(parserGetPreviousPosition()) : "";
                query = database.command(new OSQLAsynchQuery<ODocument>("select from `" + clazz.getName() + "`" + where, this));
                break;
            } else if (word.equals(KEYWORD_LIMIT)) {
                word = parseOptionalWord(true);
                try {
                    limit = Integer.parseInt(word);
                } catch (Exception e) {
                    throw OException.wrapException(new OCommandSQLParsingException("Invalid LIMIT: " + word), e);
                }
            } else if (word.equals(KEYWORD_RETURN)) {
                returning = parseReturn();
            } else if (word.equals(KEYWORD_BATCH)) {
                word = parserNextWord(true);
                if (word != null)
                    batch = Integer.parseInt(word);
            } else if (word.length() > 0) {
                // GET/CHECK CLASS NAME
                clazz = ((OMetadataInternal) database.getMetadata()).getImmutableSchemaSnapshot().getClass(word);
                if (clazz == null)
                    throw new OCommandSQLParsingException("Class '" + word + "' was not found");
            }
            word = parseOptionalWord(true);
            if (parserIsEnded())
                break;
        }
        if (where == null)
            where = "";
        else
            where = " WHERE " + where;
        if (query == null && rid == null) {
            StringBuilder queryString = new StringBuilder();
            queryString.append("select from `");
            if (clazz == null) {
                queryString.append(OrientVertexType.CLASS_NAME);
            } else {
                queryString.append(clazz.getName());
            }
            queryString.append("`");
            queryString.append(where);
            if (limit > -1) {
                queryString.append(" LIMIT ").append(limit);
            }
            query = database.command(new OSQLAsynchQuery<ODocument>(queryString.toString(), this));
        }
    } finally {
        textRequest.setText(originalQuery);
    }
    return this;
}

Example 24 with OCommandRequestText

use of com.orientechnologies.orient.core.command.OCommandRequestText in project orientdb by orientechnologies.

the class OCommandExecutorSQLCreateFunction method parse.

@SuppressWarnings("unchecked")
public OCommandExecutorSQLCreateFunction parse(final OCommandRequest iRequest) {
    final OCommandRequestText textRequest = (OCommandRequestText) iRequest;
    String queryText = textRequest.getText();
    String originalQuery = queryText;
    try {
        queryText = preParse(queryText, iRequest);
        textRequest.setText(queryText);
        init((OCommandRequestText) iRequest);
        parserRequiredKeyword("CREATE");
        parserRequiredKeyword("FUNCTION");
        name = parserNextWord(false);
        code = OIOUtils.getStringContent(parserNextWord(false));
        String temp = parseOptionalWord(true);
        while (temp != null) {
            if (temp.equals("IDEMPOTENT")) {
                parserNextWord(false);
                idempotent = Boolean.parseBoolean(parserGetLastWord());
            } else if (temp.equals("LANGUAGE")) {
                parserNextWord(false);
                language = parserGetLastWord();
            } else if (temp.equals("PARAMETERS")) {
                parserNextWord(false);
                parameters = new ArrayList<String>();
                OStringSerializerHelper.getCollection(parserGetLastWord(), 0, parameters);
                if (parameters.size() == 0)
                    throw new OCommandExecutionException("Syntax Error. Missing function parameter(s): " + getSyntax());
            }
            temp = parserOptionalWord(true);
            if (parserIsEnded())
                break;
        }
    } finally {
        textRequest.setText(originalQuery);
    }
    return this;
}

Example 25 with OCommandRequestText

use of com.orientechnologies.orient.core.command.OCommandRequestText in project orientdb by orientechnologies.

the class OCommandExecutorSQLCreateProperty method parse.

public OCommandExecutorSQLCreateProperty parse(final OCommandRequest iRequest) {
    final OCommandRequestText textRequest = (OCommandRequestText) iRequest;
    String queryText = textRequest.getText();
    String originalQuery = queryText;
    try {
        queryText = preParse(queryText, iRequest);
        textRequest.setText(queryText);
        init((OCommandRequestText) iRequest);
        final StringBuilder word = new StringBuilder();
        int oldPos = 0;
        int pos = nextWord(parserText, parserTextUpperCase, oldPos, word, true);
        if (pos == -1 || !word.toString().equals(KEYWORD_CREATE))
            throw new OCommandSQLParsingException("Keyword " + KEYWORD_CREATE + " not found", parserText, oldPos);
        oldPos = pos;
        pos = nextWord(parserText, parserTextUpperCase, oldPos, word, true);
        if (pos == -1 || !word.toString().equals(KEYWORD_PROPERTY))
            throw new OCommandSQLParsingException("Keyword " + KEYWORD_PROPERTY + " not found", parserText, oldPos);
        oldPos = pos;
        pos = nextWord(parserText, parserTextUpperCase, oldPos, word, false);
        if (pos == -1)
            throw new OCommandSQLParsingException("Expected <class>.<property>", parserText, oldPos);
        String[] parts = split(word);
        if (parts.length != 2)
            throw new OCommandSQLParsingException("Expected <class>.<property>", parserText, oldPos);
        className = decodeClassName(parts[0]);
        if (className == null)
            throw new OCommandSQLParsingException("Class not found", parserText, oldPos);
        fieldName = decodeClassName(parts[1]);
        oldPos = pos;
        pos = nextWord(parserText, parserTextUpperCase, oldPos, word, true);
        if (pos == -1)
            throw new OCommandSQLParsingException("Missed property type", parserText, oldPos);
        if ("IF".equalsIgnoreCase(word.toString())) {
            oldPos = pos;
            pos = nextWord(parserText, parserTextUpperCase, oldPos, word, true);
            if (pos == -1)
                throw new OCommandSQLParsingException("Missed property type", parserText, oldPos);
            if (!"NOT".equalsIgnoreCase(word.toString())) {
                throw new OCommandSQLParsingException("Expected NOT EXISTS after IF", parserText, oldPos);
            }
            oldPos = pos;
            pos = nextWord(parserText, parserTextUpperCase, oldPos, word, true);
            if (pos == -1)
                throw new OCommandSQLParsingException("Missed property type", parserText, oldPos);
            if (!"EXISTS".equalsIgnoreCase(word.toString())) {
                throw new OCommandSQLParsingException("Expected EXISTS after IF NOT", parserText, oldPos);
            }
            this.ifNotExists = true;
            oldPos = pos;
            pos = nextWord(parserText, parserTextUpperCase, oldPos, word, true);
        }
        type = OType.valueOf(word.toString());
        // Use a REGEX for the rest because we know exactly what we are looking for.
        // If we are in strict mode, the parser took care of strict matching.
        String rest = parserText.substring(pos).trim();
        String pattern = "(`[^`]*`|[^\\(]\\S*)?\\s*(\\(.*\\))?\\s*(UNSAFE)?";
        Pattern r = Pattern.compile(pattern, Pattern.CASE_INSENSITIVE);
        Matcher m = r.matcher(rest.trim());
        if (m.matches()) {
            // Linked Type / Class
            if (m.group(1) != null && !m.group(1).equalsIgnoreCase("UNSAFE")) {
                linked = m.group(1);
                if (linked.startsWith("`") && linked.endsWith("`") && linked.length() > 1) {
                    linked = linked.substring(1, linked.length() - 1);
                }
            }
            // Attributes
            if (m.group(2) != null) {
                String raw = m.group(2);
                String atts = raw.substring(1, raw.length() - 1);
                processAtts(atts);
            }
            // UNSAFE
            if (m.group(3) != null) {
                this.unsafe = true;
            }
        } else {
        // Syntax Error
        }
    } finally {
        textRequest.setText(originalQuery);
    }
    return this;
}