Examples with UniqueMetaData org.datanucleus.metadata.UniqueMetaData used on opensource projects

Example 11 with UniqueMetaData

use of org.datanucleus.metadata.UniqueMetaData in project datanucleus-api-jdo by datanucleus.

the class ValueMetadataImpl method newUniqueMetadata.

/* (non-Javadoc)
     * @see javax.jdo.metadata.ValueMetadata#newUniqueMetadata()
     */
public UniqueMetadata newUniqueMetadata() {
    UniqueMetaData internalUnimd = getInternal().newUniqueMetaData();
    UniqueMetadataImpl unimd = new UniqueMetadataImpl(internalUnimd);
    unimd.parent = this;
    return unimd;
}

Example 12 with UniqueMetaData

use of org.datanucleus.metadata.UniqueMetaData in project datanucleus-rdbms by datanucleus.

the class ElementContainerTable method getExpectedCandidateKeys.

/**
 * Accessor for the candidate keys for this table.
 * @return The indices
 */
protected List getExpectedCandidateKeys() {
    // The indices required by foreign keys (BaseTable)
    List candidateKeys = super.getExpectedCandidateKeys();
    if (elementMapping instanceof EmbeddedElementPCMapping) {
        // Add all candidate keys required by fields of the embedded element
        EmbeddedElementPCMapping embMapping = (EmbeddedElementPCMapping) elementMapping;
        for (int i = 0; i < embMapping.getNumberOfJavaTypeMappings(); i++) {
            JavaTypeMapping embFieldMapping = embMapping.getJavaTypeMapping(i);
            UniqueMetaData umd = embFieldMapping.getMemberMetaData().getUniqueMetaData();
            if (umd != null) {
                CandidateKey ck = TableUtils.getCandidateKeyForField(this, umd, embFieldMapping);
                if (ck != null) {
                    candidateKeys.add(ck);
                }
            }
        }
    }
    if (mmd.getJoinMetaData() != null && mmd.getJoinMetaData().getUniqueMetaData() != null) {
        // User has defined a unique key on the join table
        UniqueMetaData unimd = mmd.getJoinMetaData().getUniqueMetaData();
        if (unimd.getNumberOfColumns() > 0) {
            String[] columnNames = unimd.getColumnNames();
            CandidateKey uniKey = new CandidateKey(this, null);
            String unimdName = unimd.getName();
            if (!StringUtils.isWhitespace(unimdName)) {
                uniKey.setName(unimd.getName());
            }
            IdentifierFactory idFactory = storeMgr.getIdentifierFactory();
            for (String columnName : columnNames) {
                Column col = getColumn(idFactory.newColumnIdentifier(columnName));
                if (col != null) {
                    uniKey.addColumn(col);
                } else {
                    throw new NucleusUserException("Unique key on join-table " + this + " has column " + columnName + " that is not found");
                }
            }
            candidateKeys.add(uniKey);
        }
    }
    return candidateKeys;
}

Example 13 with UniqueMetaData

use of org.datanucleus.metadata.UniqueMetaData in project datanucleus-rdbms by datanucleus.

the class MapTable method getExpectedCandidateKeys.

/**
 * Accessor for the candidate keys for this table.
 * @return The indices
 */
protected List getExpectedCandidateKeys() {
    // The indices required by foreign keys (BaseTable)
    List candidateKeys = super.getExpectedCandidateKeys();
    if (keyMapping instanceof EmbeddedKeyPCMapping) {
        // Add all candidate keys required by fields of the embedded key
        EmbeddedKeyPCMapping embMapping = (EmbeddedKeyPCMapping) keyMapping;
        for (int i = 0; i < embMapping.getNumberOfJavaTypeMappings(); i++) {
            JavaTypeMapping embFieldMapping = embMapping.getJavaTypeMapping(i);
            UniqueMetaData umd = embFieldMapping.getMemberMetaData().getUniqueMetaData();
            if (umd != null) {
                CandidateKey ck = TableUtils.getCandidateKeyForField(this, umd, embFieldMapping);
                if (ck != null) {
                    candidateKeys.add(ck);
                }
            }
        }
    } else if (mmd.getKeyMetaData() != null) {
        UniqueMetaData unimd = mmd.getKeyMetaData().getUniqueMetaData();
        if (unimd != null) {
            CandidateKey ck = TableUtils.getCandidateKeyForField(this, unimd, keyMapping);
            if (ck != null) {
                candidateKeys.add(ck);
            }
        }
    }
    if (valueMapping instanceof EmbeddedValuePCMapping) {
        // Add all candidate keys required by fields of the embedded value
        EmbeddedValuePCMapping embMapping = (EmbeddedValuePCMapping) valueMapping;
        for (int i = 0; i < embMapping.getNumberOfJavaTypeMappings(); i++) {
            JavaTypeMapping embFieldMapping = embMapping.getJavaTypeMapping(i);
            UniqueMetaData umd = embFieldMapping.getMemberMetaData().getUniqueMetaData();
            if (umd != null) {
                CandidateKey ck = TableUtils.getCandidateKeyForField(this, umd, embFieldMapping);
                if (ck != null) {
                    candidateKeys.add(ck);
                }
            }
        }
    } else if (mmd.getValueMetaData() != null) {
        UniqueMetaData unimd = mmd.getValueMetaData().getUniqueMetaData();
        if (unimd != null) {
            CandidateKey ck = TableUtils.getCandidateKeyForField(this, unimd, valueMapping);
            if (ck != null) {
                candidateKeys.add(ck);
            }
        }
    }
    return candidateKeys;
}

Example 14 with UniqueMetaData

use of org.datanucleus.metadata.UniqueMetaData in project datanucleus-api-jdo by datanucleus.

the class KeyMetadataImpl method getUniqueMetadata.

/* (non-Javadoc)
     * @see javax.jdo.metadata.KeyMetadata#getUniqueMetadata()
     */
public UniqueMetadata getUniqueMetadata() {
    UniqueMetaData internalUnimd = getInternal().getUniqueMetaData();
    if (internalUnimd == null) {
        return null;
    }
    UniqueMetadataImpl unimd = new UniqueMetadataImpl(internalUnimd);
    unimd.parent = this;
    return unimd;
}

Example 15 with UniqueMetaData

use of org.datanucleus.metadata.UniqueMetaData in project datanucleus-api-jdo by datanucleus.

the class KeyMetadataImpl method newUniqueMetadata.

/* (non-Javadoc)
     * @see javax.jdo.metadata.KeyMetadata#newUniqueMetadata()
     */
public UniqueMetadata newUniqueMetadata() {
    UniqueMetaData internalUnimd = getInternal().newUniqueMetaData();
    UniqueMetadataImpl unimd = new UniqueMetadataImpl(internalUnimd);
    unimd.parent = this;
    return unimd;
}